From 8338657eaa3c965f4f260723cd59fffad9f3b73b Mon Sep 17 00:00:00 2001
From: Jason Rasmussen <jason@rasm.me>
Date: Mon, 19 Aug 2024 13:37:15 -0400
Subject: [PATCH] refactor(server): stacks (#11453)

* refactor: stacks

* mobile: get it built

* chore: feedback

* fix: sync and duplicates

* mobile: remove old stack reference

* chore: add primary asset id

* revert change to asset entity

* mobile: refactor mobile api

* mobile: sync stack info after creating stack

* mobile: update timeline after deleting stack

* server: update asset updatedAt when stack is deleted

* mobile: simplify action

* mobile: rename to match dto property

* fix: web test

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>
---
 e2e/src/api/specs/asset.e2e-spec.ts           | 157 +------
 e2e/src/api/specs/stack.e2e-spec.ts           | 211 ++++++++++
 e2e/src/api/specs/user-admin.e2e-spec.ts      |   6 +-
 mobile/assets/i18n/en-US.json                 |   4 +-
 mobile/lib/entities/asset.entity.dart         |  56 +--
 mobile/lib/entities/asset.entity.g.dart       | 346 ++++++++++++----
 .../lib/pages/common/gallery_viewer.page.dart |   2 +-
 mobile/lib/providers/asset.provider.dart      |   4 +-
 .../asset_viewer/asset_stack.provider.dart    |   2 +-
 mobile/lib/services/api.service.dart          |   2 +
 mobile/lib/services/asset_stack.service.dart  |  72 ----
 mobile/lib/services/stack.service.dart        |  79 ++++
 .../widgets/asset_grid/multiselect_grid.dart  |  10 +-
 .../widgets/asset_grid/thumbnail_image.dart   |   8 +-
 .../asset_viewer/bottom_gallery_bar.dart      |  88 +---
 mobile/openapi/README.md                      |  12 +-
 mobile/openapi/lib/api.dart                   |   6 +-
 mobile/openapi/lib/api/assets_api.dart        |  39 --
 mobile/openapi/lib/api/stacks_api.dart        | 298 +++++++++++++
 mobile/openapi/lib/api_client.dart            |  10 +-
 .../lib/model/asset_bulk_update_dto.dart      |  40 +-
 .../openapi/lib/model/asset_response_dto.dart |  35 +-
 .../lib/model/asset_stack_response_dto.dart   | 114 +++++
 mobile/openapi/lib/model/permission.dart      |  12 +
 .../openapi/lib/model/stack_create_dto.dart   | 101 +++++
 .../openapi/lib/model/stack_response_dto.dart | 114 +++++
 .../openapi/lib/model/stack_update_dto.dart   | 107 +++++
 .../lib/model/update_stack_parent_dto.dart    | 106 -----
 mobile/test/fixtures/asset.stub.dart          |   2 -
 .../extensions/asset_extensions_test.dart     |   1 -
 .../home/asset_grid_data_structure_test.dart  |   1 -
 .../modules/shared/sync_service_test.dart     |   1 -
 open-api/immich-openapi-specs.json            | 390 ++++++++++++++----
 open-api/typescript-sdk/src/fetch-client.ts   | 104 ++++-
 server/src/controllers/asset.controller.ts    |   8 -
 server/src/controllers/index.ts               |   2 +
 server/src/controllers/stack.controller.ts    |  57 +++
 server/src/cores/access.core.ts               |  12 +
 server/src/dtos/asset-response.dto.ts         |  34 +-
 server/src/dtos/asset.dto.ts                  |   6 -
 server/src/dtos/stack.dto.ts                  |  41 +-
 server/src/enum.ts                            |   5 +
 server/src/interfaces/access.interface.ts     |   4 +
 server/src/interfaces/stack.interface.ts      |   9 +-
 server/src/queries/access.repository.sql      |  11 +
 server/src/repositories/access.repository.ts  |  29 +-
 server/src/repositories/stack.repository.ts   | 131 +++++-
 server/src/services/asset.service.spec.ts     | 190 +--------
 server/src/services/asset.service.ts          |  92 +----
 server/src/services/duplicate.service.ts      |   2 +-
 server/src/services/index.ts                  |   2 +
 server/src/services/stack.service.ts          |  84 ++++
 server/test/fixtures/shared-link.stub.ts      |   1 -
 .../repositories/access.repository.mock.ts    |  15 +-
 .../repositories/stack.repository.mock.ts     |   2 +
 .../actions/unstack-action.svelte             |   8 +-
 .../asset-viewer/asset-viewer-nav-bar.svelte  |  15 +-
 .../asset-viewer/asset-viewer.svelte          |  50 +--
 .../assets/thumbnail/thumbnail.svelte         |   4 +-
 .../photos-page/actions/stack-action.svelte   |   5 +-
 .../duplicates/duplicate-asset.svelte         |   7 +-
 web/src/lib/utils/asset-utils.ts              | 106 ++---
 web/src/test-data/factories/asset-factory.ts  |   1 -
 63 files changed, 2321 insertions(+), 1152 deletions(-)
 create mode 100644 e2e/src/api/specs/stack.e2e-spec.ts
 delete mode 100644 mobile/lib/services/asset_stack.service.dart
 create mode 100644 mobile/lib/services/stack.service.dart
 create mode 100644 mobile/openapi/lib/api/stacks_api.dart
 create mode 100644 mobile/openapi/lib/model/asset_stack_response_dto.dart
 create mode 100644 mobile/openapi/lib/model/stack_create_dto.dart
 create mode 100644 mobile/openapi/lib/model/stack_response_dto.dart
 create mode 100644 mobile/openapi/lib/model/stack_update_dto.dart
 delete mode 100644 mobile/openapi/lib/model/update_stack_parent_dto.dart
 create mode 100644 server/src/controllers/stack.controller.ts
 create mode 100644 server/src/services/stack.service.ts

diff --git a/e2e/src/api/specs/asset.e2e-spec.ts b/e2e/src/api/specs/asset.e2e-spec.ts
index 4ee035ee95..5bd52b437e 100644
--- a/e2e/src/api/specs/asset.e2e-spec.ts
+++ b/e2e/src/api/specs/asset.e2e-spec.ts
@@ -7,7 +7,6 @@ import {
   SharedLinkType,
   getAssetInfo,
   getMyUser,
-  updateAssets,
 } from '@immich/sdk';
 import { exiftool } from 'exiftool-vendored';
 import { DateTime } from 'luxon';
@@ -67,11 +66,9 @@ describe('/asset', () => {
   let timeBucketUser: LoginResponseDto;
   let quotaUser: LoginResponseDto;
   let statsUser: LoginResponseDto;
-  let stackUser: LoginResponseDto;
 
   let user1Assets: AssetMediaResponseDto[];
   let user2Assets: AssetMediaResponseDto[];
-  let stackAssets: AssetMediaResponseDto[];
   let locationAsset: AssetMediaResponseDto;
   let ratingAsset: AssetMediaResponseDto;
 
@@ -79,14 +76,13 @@ describe('/asset', () => {
     await utils.resetDatabase();
     admin = await utils.adminSetup({ onboarding: false });
 
-    [websocket, user1, user2, statsUser, quotaUser, timeBucketUser, stackUser] = await Promise.all([
+    [websocket, user1, user2, statsUser, quotaUser, timeBucketUser] = await Promise.all([
       utils.connectWebsocket(admin.accessToken),
       utils.userSetup(admin.accessToken, createUserDto.create('1')),
       utils.userSetup(admin.accessToken, createUserDto.create('2')),
       utils.userSetup(admin.accessToken, createUserDto.create('stats')),
       utils.userSetup(admin.accessToken, createUserDto.userQuota),
       utils.userSetup(admin.accessToken, createUserDto.create('time-bucket')),
-      utils.userSetup(admin.accessToken, createUserDto.create('stack')),
     ]);
 
     await utils.createPartner(user1.accessToken, user2.userId);
@@ -149,20 +145,6 @@ describe('/asset', () => {
       }),
     ]);
 
-    // stacks
-    stackAssets = await Promise.all([
-      utils.createAsset(stackUser.accessToken),
-      utils.createAsset(stackUser.accessToken),
-      utils.createAsset(stackUser.accessToken),
-      utils.createAsset(stackUser.accessToken),
-      utils.createAsset(stackUser.accessToken),
-    ]);
-
-    await updateAssets(
-      { assetBulkUpdateDto: { stackParentId: stackAssets[0].id, ids: [stackAssets[1].id, stackAssets[2].id] } },
-      { headers: asBearerAuth(stackUser.accessToken) },
-    );
-
     const person1 = await utils.createPerson(user1.accessToken, {
       name: 'Test Person',
     });
@@ -826,145 +808,8 @@ describe('/asset', () => {
       expect(status).toBe(401);
       expect(body).toEqual(errorDto.unauthorized);
     });
-
-    it('should require a valid parent id', async () => {
-      const { status, body } = await request(app)
-        .put('/assets')
-        .set('Authorization', `Bearer ${user1.accessToken}`)
-        .send({ stackParentId: uuidDto.invalid, ids: [stackAssets[0].id] });
-
-      expect(status).toBe(400);
-      expect(body).toEqual(errorDto.badRequest(['stackParentId must be a UUID']));
-    });
-
-    it('should require access to the parent', async () => {
-      const { status, body } = await request(app)
-        .put('/assets')
-        .set('Authorization', `Bearer ${user1.accessToken}`)
-        .send({ stackParentId: stackAssets[3].id, ids: [user1Assets[0].id] });
-
-      expect(status).toBe(400);
-      expect(body).toEqual(errorDto.noPermission);
-    });
-
-    it('should add stack children', async () => {
-      const { status } = await request(app)
-        .put('/assets')
-        .set('Authorization', `Bearer ${stackUser.accessToken}`)
-        .send({ stackParentId: stackAssets[0].id, ids: [stackAssets[3].id] });
-
-      expect(status).toBe(204);
-
-      const asset = await getAssetInfo({ id: stackAssets[0].id }, { headers: asBearerAuth(stackUser.accessToken) });
-      expect(asset.stack).not.toBeUndefined();
-      expect(asset.stack).toEqual(expect.arrayContaining([expect.objectContaining({ id: stackAssets[3].id })]));
-    });
-
-    it('should remove stack children', async () => {
-      const { status } = await request(app)
-        .put('/assets')
-        .set('Authorization', `Bearer ${stackUser.accessToken}`)
-        .send({ removeParent: true, ids: [stackAssets[1].id] });
-
-      expect(status).toBe(204);
-
-      const asset = await getAssetInfo({ id: stackAssets[0].id }, { headers: asBearerAuth(stackUser.accessToken) });
-      expect(asset.stack).not.toBeUndefined();
-      expect(asset.stack).toEqual(
-        expect.arrayContaining([
-          expect.objectContaining({ id: stackAssets[2].id }),
-          expect.objectContaining({ id: stackAssets[3].id }),
-        ]),
-      );
-    });
-
-    it('should remove all stack children', async () => {
-      const { status } = await request(app)
-        .put('/assets')
-        .set('Authorization', `Bearer ${stackUser.accessToken}`)
-        .send({ removeParent: true, ids: [stackAssets[2].id, stackAssets[3].id] });
-
-      expect(status).toBe(204);
-
-      const asset = await getAssetInfo({ id: stackAssets[0].id }, { headers: asBearerAuth(stackUser.accessToken) });
-      expect(asset.stack).toBeUndefined();
-    });
-
-    it('should merge stack children', async () => {
-      // create stack after previous test removed stack children
-      await updateAssets(
-        { assetBulkUpdateDto: { stackParentId: stackAssets[0].id, ids: [stackAssets[1].id, stackAssets[2].id] } },
-        { headers: asBearerAuth(stackUser.accessToken) },
-      );
-
-      const { status } = await request(app)
-        .put('/assets')
-        .set('Authorization', `Bearer ${stackUser.accessToken}`)
-        .send({ stackParentId: stackAssets[3].id, ids: [stackAssets[0].id] });
-
-      expect(status).toBe(204);
-
-      const asset = await getAssetInfo({ id: stackAssets[3].id }, { headers: asBearerAuth(stackUser.accessToken) });
-      expect(asset.stack).not.toBeUndefined();
-      expect(asset.stack).toEqual(
-        expect.arrayContaining([
-          expect.objectContaining({ id: stackAssets[0].id }),
-          expect.objectContaining({ id: stackAssets[1].id }),
-          expect.objectContaining({ id: stackAssets[2].id }),
-        ]),
-      );
-    });
   });
 
-  describe('PUT /assets/stack/parent', () => {
-    it('should require authentication', async () => {
-      const { status, body } = await request(app).put('/assets/stack/parent');
-
-      expect(status).toBe(401);
-      expect(body).toEqual(errorDto.unauthorized);
-    });
-
-    it('should require a valid id', async () => {
-      const { status, body } = await request(app)
-        .put('/assets/stack/parent')
-        .set('Authorization', `Bearer ${user1.accessToken}`)
-        .send({ oldParentId: uuidDto.invalid, newParentId: uuidDto.invalid });
-
-      expect(status).toBe(400);
-      expect(body).toEqual(errorDto.badRequest());
-    });
-
-    it('should require access', async () => {
-      const { status, body } = await request(app)
-        .put('/assets/stack/parent')
-        .set('Authorization', `Bearer ${user1.accessToken}`)
-        .send({ oldParentId: stackAssets[3].id, newParentId: stackAssets[0].id });
-
-      expect(status).toBe(400);
-      expect(body).toEqual(errorDto.noPermission);
-    });
-
-    it('should make old parent child of new parent', async () => {
-      const { status } = await request(app)
-        .put('/assets/stack/parent')
-        .set('Authorization', `Bearer ${stackUser.accessToken}`)
-        .send({ oldParentId: stackAssets[3].id, newParentId: stackAssets[0].id });
-
-      expect(status).toBe(200);
-
-      const asset = await getAssetInfo({ id: stackAssets[0].id }, { headers: asBearerAuth(stackUser.accessToken) });
-
-      // new parent
-      expect(asset.stack).not.toBeUndefined();
-      expect(asset.stack).toEqual(
-        expect.arrayContaining([
-          expect.objectContaining({ id: stackAssets[1].id }),
-          expect.objectContaining({ id: stackAssets[2].id }),
-          expect.objectContaining({ id: stackAssets[3].id }),
-        ]),
-      );
-    });
-  });
   describe('POST /assets', () => {
     beforeAll(setupTests, 30_000);
 
diff --git a/e2e/src/api/specs/stack.e2e-spec.ts b/e2e/src/api/specs/stack.e2e-spec.ts
new file mode 100644
index 0000000000..bf34369ee3
--- /dev/null
+++ b/e2e/src/api/specs/stack.e2e-spec.ts
@@ -0,0 +1,211 @@
+import { AssetMediaResponseDto, LoginResponseDto, searchStacks } from '@immich/sdk';
+import { createUserDto, uuidDto } from 'src/fixtures';
+import { errorDto } from 'src/responses';
+import { app, asBearerAuth, utils } from 'src/utils';
+import request from 'supertest';
+import { beforeAll, describe, expect, it } from 'vitest';
+
+describe('/stacks', () => {
+  let admin: LoginResponseDto;
+  let user1: LoginResponseDto;
+  let user2: LoginResponseDto;
+  let asset: AssetMediaResponseDto;
+
+  beforeAll(async () => {
+    await utils.resetDatabase();
+
+    admin = await utils.adminSetup();
+
+    [user1, user2] = await Promise.all([
+      utils.userSetup(admin.accessToken, createUserDto.user1),
+      utils.userSetup(admin.accessToken, createUserDto.user2),
+    ]);
+
+    asset = await utils.createAsset(user1.accessToken);
+  });
+
+  describe('POST /stacks', () => {
+    it('should require authentication', async () => {
+      const { status, body } = await request(app)
+        .post('/stacks')
+        .send({ assetIds: [asset.id] });
+
+      expect(status).toBe(401);
+      expect(body).toEqual(errorDto.unauthorized);
+    });
+
+    it('should require at least two assets', async () => {
+      const { status, body } = await request(app)
+        .post('/stacks')
+        .set('Authorization', `Bearer ${user1.accessToken}`)
+        .send({ assetIds: [asset.id] });
+
+      expect(status).toBe(400);
+      expect(body).toEqual(errorDto.badRequest());
+    });
+
+    it('should require a valid id', async () => {
+      const { status, body } = await request(app)
+        .post('/stacks')
+        .set('Authorization', `Bearer ${user1.accessToken}`)
+        .send({ assetIds: [uuidDto.invalid, uuidDto.invalid] });
+
+      expect(status).toBe(400);
+      expect(body).toEqual(errorDto.badRequest());
+    });
+
+    it('should require access', async () => {
+      const user2Asset = await utils.createAsset(user2.accessToken);
+      const { status, body } = await request(app)
+        .post('/stacks')
+        .set('Authorization', `Bearer ${user1.accessToken}`)
+        .send({ assetIds: [asset.id, user2Asset.id] });
+
+      expect(status).toBe(400);
+      expect(body).toEqual(errorDto.noPermission);
+    });
+
+    it('should create a stack', async () => {
+      const [asset1, asset2] = await Promise.all([
+        utils.createAsset(user1.accessToken),
+        utils.createAsset(user1.accessToken),
+      ]);
+
+      const { status, body } = await request(app)
+        .post('/stacks')
+        .set('Authorization', `Bearer ${user1.accessToken}`)
+        .send({ assetIds: [asset1.id, asset2.id] });
+
+      expect(status).toBe(201);
+      expect(body).toEqual({
+        id: expect.any(String),
+        primaryAssetId: asset1.id,
+        assets: [expect.objectContaining({ id: asset1.id }), expect.objectContaining({ id: asset2.id })],
+      });
+    });
+
+    it('should merge an existing stack', async () => {
+      const [asset1, asset2, asset3] = await Promise.all([
+        utils.createAsset(user1.accessToken),
+        utils.createAsset(user1.accessToken),
+        utils.createAsset(user1.accessToken),
+      ]);
+
+      const response1 = await request(app)
+        .post('/stacks')
+        .set('Authorization', `Bearer ${user1.accessToken}`)
+        .send({ assetIds: [asset1.id, asset2.id] });
+
+      expect(response1.status).toBe(201);
+
+      const stacksBefore = await searchStacks({}, { headers: asBearerAuth(user1.accessToken) });
+
+      const { status, body } = await request(app)
+        .post('/stacks')
+        .set('Authorization', `Bearer ${user1.accessToken}`)
+        .send({ assetIds: [asset1.id, asset3.id] });
+
+      expect(status).toBe(201);
+      expect(body).toEqual({
+        id: expect.any(String),
+        primaryAssetId: asset1.id,
+        assets: expect.arrayContaining([
+          expect.objectContaining({ id: asset1.id }),
+          expect.objectContaining({ id: asset2.id }),
+          expect.objectContaining({ id: asset3.id }),
+        ]),
+      });
+
+      const stacksAfter = await searchStacks({}, { headers: asBearerAuth(user1.accessToken) });
+      expect(stacksAfter.length).toBe(stacksBefore.length);
+    });
+
+    // it('should require a valid parent id', async () => {
+    //   const { status, body } = await request(app)
+    //     .put('/assets')
+    //     .set('Authorization', `Bearer ${user1.accessToken}`)
+    //     .send({ stackParentId: uuidDto.invalid, ids: [stackAssets[0].id] });
+
+    //   expect(status).toBe(400);
+    //   expect(body).toEqual(errorDto.badRequest(['stackParentId must be a UUID']));
+    // });
+  });
+
+  // it('should require access to the parent', async () => {
+  //   const { status, body } = await request(app)
+  //     .put('/assets')
+  //     .set('Authorization', `Bearer ${user1.accessToken}`)
+  //     .send({ stackParentId: stackAssets[3].id, ids: [user1Assets[0].id] });
+
+  //   expect(status).toBe(400);
+  //   expect(body).toEqual(errorDto.noPermission);
+  // });
+
+  // it('should add stack children', async () => {
+  //   const { status } = await request(app)
+  //     .put('/assets')
+  //     .set('Authorization', `Bearer ${stackUser.accessToken}`)
+  //     .send({ stackParentId: stackAssets[0].id, ids: [stackAssets[3].id] });
+
+  //   expect(status).toBe(204);
+
+  //   const asset = await getAssetInfo({ id: stackAssets[0].id }, { headers: asBearerAuth(stackUser.accessToken) });
+  //   expect(asset.stack).not.toBeUndefined();
+  //   expect(asset.stack).toEqual(expect.arrayContaining([expect.objectContaining({ id: stackAssets[3].id })]));
+  // });
+
+  // it('should remove stack children', async () => {
+  //   const { status } = await request(app)
+  //     .put('/assets')
+  //     .set('Authorization', `Bearer ${stackUser.accessToken}`)
+  //     .send({ removeParent: true, ids: [stackAssets[1].id] });
+
+  //   expect(status).toBe(204);
+
+  //   const asset = await getAssetInfo({ id: stackAssets[0].id }, { headers: asBearerAuth(stackUser.accessToken) });
+  //   expect(asset.stack).not.toBeUndefined();
+  //   expect(asset.stack).toEqual(
+  //     expect.arrayContaining([
+  //       expect.objectContaining({ id: stackAssets[2].id }),
+  //       expect.objectContaining({ id: stackAssets[3].id }),
+  //     ]),
+  //   );
+  // });
+
+  // it('should remove all stack children', async () => {
+  //   const { status } = await request(app)
+  //     .put('/assets')
+  //     .set('Authorization', `Bearer ${stackUser.accessToken}`)
+  //     .send({ removeParent: true, ids: [stackAssets[2].id, stackAssets[3].id] });
+
+  //   expect(status).toBe(204);
+
+  //   const asset = await getAssetInfo({ id: stackAssets[0].id }, { headers: asBearerAuth(stackUser.accessToken) });
+  //   expect(asset.stack).toBeUndefined();
+  // });
+
+  // it('should merge stack children', async () => {
+  //   // create stack after previous test removed stack children
+  //   await updateAssets(
+  //     { assetBulkUpdateDto: { stackParentId: stackAssets[0].id, ids: [stackAssets[1].id, stackAssets[2].id] } },
+  //     { headers: asBearerAuth(stackUser.accessToken) },
+  //   );
+
+  //   const { status } = await request(app)
+  //     .put('/assets')
+  //     .set('Authorization', `Bearer ${stackUser.accessToken}`)
+  //     .send({ stackParentId: stackAssets[3].id, ids: [stackAssets[0].id] });
+
+  //   expect(status).toBe(204);
+
+  //   const asset = await getAssetInfo({ id: stackAssets[3].id }, { headers: asBearerAuth(stackUser.accessToken) });
+  //   expect(asset.stack).not.toBeUndefined();
+  //   expect(asset.stack).toEqual(
+  //     expect.arrayContaining([
+  //       expect.objectContaining({ id: stackAssets[0].id }),
+  //       expect.objectContaining({ id: stackAssets[1].id }),
+  //       expect.objectContaining({ id: stackAssets[2].id }),
+  //     ]),
+  //   );
+  // });
+});
diff --git a/e2e/src/api/specs/user-admin.e2e-spec.ts b/e2e/src/api/specs/user-admin.e2e-spec.ts
index b7147f52cc..8a417387e7 100644
--- a/e2e/src/api/specs/user-admin.e2e-spec.ts
+++ b/e2e/src/api/specs/user-admin.e2e-spec.ts
@@ -1,11 +1,11 @@
 import {
   LoginResponseDto,
+  createStack,
   deleteUserAdmin,
   getMyUser,
   getUserAdmin,
   getUserPreferencesAdmin,
   login,
-  updateAssets,
 } from '@immich/sdk';
 import { Socket } from 'socket.io-client';
 import { createUserDto, uuidDto } from 'src/fixtures';
@@ -321,8 +321,8 @@ describe('/admin/users', () => {
         utils.createAsset(user.accessToken),
       ]);
 
-      await updateAssets(
-        { assetBulkUpdateDto: { stackParentId: asset1.id, ids: [asset2.id] } },
+      await createStack(
+        { stackCreateDto: { assetIds: [asset1.id, asset2.id] } },
         { headers: asBearerAuth(user.accessToken) },
       );
 
diff --git a/mobile/assets/i18n/en-US.json b/mobile/assets/i18n/en-US.json
index f9dd86513d..decb0a72e1 100644
--- a/mobile/assets/i18n/en-US.json
+++ b/mobile/assets/i18n/en-US.json
@@ -573,7 +573,5 @@
   "version_announcement_overlay_text_2": "please take your time to visit the ",
   "version_announcement_overlay_text_3": " and ensure your docker-compose and .env setup is up-to-date to prevent any misconfigurations, especially if you use WatchTower or any mechanism that handles updating your server application automatically.",
   "version_announcement_overlay_title": "New Server Version Available \uD83C\uDF89",
-  "viewer_remove_from_stack": "Remove from Stack",
-  "viewer_stack_use_as_main_asset": "Use as Main Asset",
   "viewer_unstack": "Un-Stack"
-}
\ No newline at end of file
+}
diff --git a/mobile/lib/entities/asset.entity.dart b/mobile/lib/entities/asset.entity.dart
index 3f8c1fa74c..97e10b3d20 100644
--- a/mobile/lib/entities/asset.entity.dart
+++ b/mobile/lib/entities/asset.entity.dart
@@ -33,11 +33,13 @@ class Asset {
         isArchived = remote.isArchived,
         isTrashed = remote.isTrashed,
         isOffline = remote.isOffline,
-        // workaround to nullify stackParentId for the parent asset until we refactor the mobile app
+        // workaround to nullify stackPrimaryAssetId for the parent asset until we refactor the mobile app
         // stack handling to properly handle it
-        stackParentId =
-            remote.stackParentId == remote.id ? null : remote.stackParentId,
-        stackCount = remote.stackCount,
+        stackPrimaryAssetId = remote.stack?.primaryAssetId == remote.id
+            ? null
+            : remote.stack?.primaryAssetId,
+        stackCount = remote.stack?.assetCount ?? 0,
+        stackId = remote.stack?.id,
         thumbhash = remote.thumbhash;
 
   Asset.local(AssetEntity local, List<int> hash)
@@ -86,7 +88,8 @@ class Asset {
     this.isFavorite = false,
     this.isArchived = false,
     this.isTrashed = false,
-    this.stackParentId,
+    this.stackId,
+    this.stackPrimaryAssetId,
     this.stackCount = 0,
     this.isOffline = false,
     this.thumbhash,
@@ -163,12 +166,11 @@ class Asset {
   @ignore
   ExifInfo? exifInfo;
 
-  String? stackParentId;
+  String? stackId;
 
-  @ignore
-  int get stackChildrenCount => stackCount ?? 0;
+  String? stackPrimaryAssetId;
 
-  int? stackCount;
+  int stackCount;
 
   /// Aspect ratio of the asset
   @ignore
@@ -231,7 +233,8 @@ class Asset {
         isArchived == other.isArchived &&
         isTrashed == other.isTrashed &&
         stackCount == other.stackCount &&
-        stackParentId == other.stackParentId;
+        stackPrimaryAssetId == other.stackPrimaryAssetId &&
+        stackId == other.stackId;
   }
 
   @override
@@ -256,7 +259,8 @@ class Asset {
       isArchived.hashCode ^
       isTrashed.hashCode ^
       stackCount.hashCode ^
-      stackParentId.hashCode;
+      stackPrimaryAssetId.hashCode ^
+      stackId.hashCode;
 
   /// Returns `true` if this [Asset] can updated with values from parameter [a]
   bool canUpdate(Asset a) {
@@ -269,7 +273,6 @@ class Asset {
         width == null && a.width != null ||
         height == null && a.height != null ||
         livePhotoVideoId == null && a.livePhotoVideoId != null ||
-        stackParentId == null && a.stackParentId != null ||
         isFavorite != a.isFavorite ||
         isArchived != a.isArchived ||
         isTrashed != a.isTrashed ||
@@ -278,10 +281,9 @@ class Asset {
         a.exifInfo?.longitude != exifInfo?.longitude ||
         // no local stack count or different count from remote
         a.thumbhash != thumbhash ||
-        ((stackCount == null && a.stackCount != null) ||
-            (stackCount != null &&
-                a.stackCount != null &&
-                stackCount != a.stackCount));
+        stackId != a.stackId ||
+        stackCount != a.stackCount ||
+        stackPrimaryAssetId == null && a.stackPrimaryAssetId != null;
   }
 
   /// Returns a new [Asset] with values from this and merged & updated with [a]
@@ -311,9 +313,11 @@ class Asset {
           id: id,
           remoteId: remoteId,
           livePhotoVideoId: livePhotoVideoId,
-          // workaround to nullify stackParentId for the parent asset until we refactor the mobile app
+          // workaround to nullify stackPrimaryAssetId for the parent asset until we refactor the mobile app
           // stack handling to properly handle it
-          stackParentId: stackParentId == remoteId ? null : stackParentId,
+          stackId: stackId,
+          stackPrimaryAssetId:
+              stackPrimaryAssetId == remoteId ? null : stackPrimaryAssetId,
           stackCount: stackCount,
           isFavorite: isFavorite,
           isArchived: isArchived,
@@ -330,9 +334,12 @@ class Asset {
           width: a.width,
           height: a.height,
           livePhotoVideoId: a.livePhotoVideoId,
-          // workaround to nullify stackParentId for the parent asset until we refactor the mobile app
+          // workaround to nullify stackPrimaryAssetId for the parent asset until we refactor the mobile app
           // stack handling to properly handle it
-          stackParentId: a.stackParentId == a.remoteId ? null : a.stackParentId,
+          stackId: a.stackId,
+          stackPrimaryAssetId: a.stackPrimaryAssetId == a.remoteId
+              ? null
+              : a.stackPrimaryAssetId,
           stackCount: a.stackCount,
           // isFavorite + isArchived are not set by device-only assets
           isFavorite: a.isFavorite,
@@ -374,7 +381,8 @@ class Asset {
     bool? isTrashed,
     bool? isOffline,
     ExifInfo? exifInfo,
-    String? stackParentId,
+    String? stackId,
+    String? stackPrimaryAssetId,
     int? stackCount,
     String? thumbhash,
   }) =>
@@ -398,7 +406,8 @@ class Asset {
         isTrashed: isTrashed ?? this.isTrashed,
         isOffline: isOffline ?? this.isOffline,
         exifInfo: exifInfo ?? this.exifInfo,
-        stackParentId: stackParentId ?? this.stackParentId,
+        stackId: stackId ?? this.stackId,
+        stackPrimaryAssetId: stackPrimaryAssetId ?? this.stackPrimaryAssetId,
         stackCount: stackCount ?? this.stackCount,
         thumbhash: thumbhash ?? this.thumbhash,
       );
@@ -445,8 +454,9 @@ class Asset {
   "checksum": "$checksum",
   "ownerId": $ownerId,
   "livePhotoVideoId": "${livePhotoVideoId ?? "N/A"}",
+  "stackId": "${stackId ?? "N/A"}",
+  "stackPrimaryAssetId": "${stackPrimaryAssetId ?? "N/A"}",
   "stackCount": "$stackCount",
-  "stackParentId": "${stackParentId ?? "N/A"}",
   "fileCreatedAt": "$fileCreatedAt",
   "fileModifiedAt": "$fileModifiedAt",
   "updatedAt": "$updatedAt",
diff --git a/mobile/lib/entities/asset.entity.g.dart b/mobile/lib/entities/asset.entity.g.dart
index 099e15eef1..23bf236046 100644
--- a/mobile/lib/entities/asset.entity.g.dart
+++ b/mobile/lib/entities/asset.entity.g.dart
@@ -92,29 +92,34 @@ const AssetSchema = CollectionSchema(
       name: r'stackCount',
       type: IsarType.long,
     ),
-    r'stackParentId': PropertySchema(
+    r'stackId': PropertySchema(
       id: 15,
-      name: r'stackParentId',
+      name: r'stackId',
+      type: IsarType.string,
+    ),
+    r'stackPrimaryAssetId': PropertySchema(
+      id: 16,
+      name: r'stackPrimaryAssetId',
       type: IsarType.string,
     ),
     r'thumbhash': PropertySchema(
-      id: 16,
+      id: 17,
       name: r'thumbhash',
       type: IsarType.string,
     ),
     r'type': PropertySchema(
-      id: 17,
+      id: 18,
       name: r'type',
       type: IsarType.byte,
       enumMap: _AssettypeEnumValueMap,
     ),
     r'updatedAt': PropertySchema(
-      id: 18,
+      id: 19,
       name: r'updatedAt',
       type: IsarType.dateTime,
     ),
     r'width': PropertySchema(
-      id: 19,
+      id: 20,
       name: r'width',
       type: IsarType.int,
     )
@@ -205,7 +210,13 @@ int _assetEstimateSize(
     }
   }
   {
-    final value = object.stackParentId;
+    final value = object.stackId;
+    if (value != null) {
+      bytesCount += 3 + value.length * 3;
+    }
+  }
+  {
+    final value = object.stackPrimaryAssetId;
     if (value != null) {
       bytesCount += 3 + value.length * 3;
     }
@@ -240,11 +251,12 @@ void _assetSerialize(
   writer.writeLong(offsets[12], object.ownerId);
   writer.writeString(offsets[13], object.remoteId);
   writer.writeLong(offsets[14], object.stackCount);
-  writer.writeString(offsets[15], object.stackParentId);
-  writer.writeString(offsets[16], object.thumbhash);
-  writer.writeByte(offsets[17], object.type.index);
-  writer.writeDateTime(offsets[18], object.updatedAt);
-  writer.writeInt(offsets[19], object.width);
+  writer.writeString(offsets[15], object.stackId);
+  writer.writeString(offsets[16], object.stackPrimaryAssetId);
+  writer.writeString(offsets[17], object.thumbhash);
+  writer.writeByte(offsets[18], object.type.index);
+  writer.writeDateTime(offsets[19], object.updatedAt);
+  writer.writeInt(offsets[20], object.width);
 }
 
 Asset _assetDeserialize(
@@ -269,13 +281,14 @@ Asset _assetDeserialize(
     localId: reader.readStringOrNull(offsets[11]),
     ownerId: reader.readLong(offsets[12]),
     remoteId: reader.readStringOrNull(offsets[13]),
-    stackCount: reader.readLongOrNull(offsets[14]),
-    stackParentId: reader.readStringOrNull(offsets[15]),
-    thumbhash: reader.readStringOrNull(offsets[16]),
-    type: _AssettypeValueEnumMap[reader.readByteOrNull(offsets[17])] ??
+    stackCount: reader.readLongOrNull(offsets[14]) ?? 0,
+    stackId: reader.readStringOrNull(offsets[15]),
+    stackPrimaryAssetId: reader.readStringOrNull(offsets[16]),
+    thumbhash: reader.readStringOrNull(offsets[17]),
+    type: _AssettypeValueEnumMap[reader.readByteOrNull(offsets[18])] ??
         AssetType.other,
-    updatedAt: reader.readDateTime(offsets[18]),
-    width: reader.readIntOrNull(offsets[19]),
+    updatedAt: reader.readDateTime(offsets[19]),
+    width: reader.readIntOrNull(offsets[20]),
   );
   return object;
 }
@@ -316,17 +329,19 @@ P _assetDeserializeProp<P>(
     case 13:
       return (reader.readStringOrNull(offset)) as P;
     case 14:
-      return (reader.readLongOrNull(offset)) as P;
+      return (reader.readLongOrNull(offset) ?? 0) as P;
     case 15:
       return (reader.readStringOrNull(offset)) as P;
     case 16:
       return (reader.readStringOrNull(offset)) as P;
     case 17:
+      return (reader.readStringOrNull(offset)) as P;
+    case 18:
       return (_AssettypeValueEnumMap[reader.readByteOrNull(offset)] ??
           AssetType.other) as P;
-    case 18:
-      return (reader.readDateTime(offset)) as P;
     case 19:
+      return (reader.readDateTime(offset)) as P;
+    case 20:
       return (reader.readIntOrNull(offset)) as P;
     default:
       throw IsarError('Unknown property with id $propertyId');
@@ -1859,24 +1874,8 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackCountIsNull() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addFilterCondition(const FilterCondition.isNull(
-        property: r'stackCount',
-      ));
-    });
-  }
-
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackCountIsNotNull() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addFilterCondition(const FilterCondition.isNotNull(
-        property: r'stackCount',
-      ));
-    });
-  }
-
   QueryBuilder<Asset, Asset, QAfterFilterCondition> stackCountEqualTo(
-      int? value) {
+      int value) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.equalTo(
         property: r'stackCount',
@@ -1886,7 +1885,7 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
   }
 
   QueryBuilder<Asset, Asset, QAfterFilterCondition> stackCountGreaterThan(
-    int? value, {
+    int value, {
     bool include = false,
   }) {
     return QueryBuilder.apply(this, (query) {
@@ -1899,7 +1898,7 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
   }
 
   QueryBuilder<Asset, Asset, QAfterFilterCondition> stackCountLessThan(
-    int? value, {
+    int value, {
     bool include = false,
   }) {
     return QueryBuilder.apply(this, (query) {
@@ -1912,8 +1911,8 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
   }
 
   QueryBuilder<Asset, Asset, QAfterFilterCondition> stackCountBetween(
-    int? lower,
-    int? upper, {
+    int lower,
+    int upper, {
     bool includeLower = true,
     bool includeUpper = true,
   }) {
@@ -1928,36 +1927,36 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdIsNull() {
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdIsNull() {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(const FilterCondition.isNull(
-        property: r'stackParentId',
+        property: r'stackId',
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdIsNotNull() {
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdIsNotNull() {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(const FilterCondition.isNotNull(
-        property: r'stackParentId',
+        property: r'stackId',
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdEqualTo(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdEqualTo(
     String? value, {
     bool caseSensitive = true,
   }) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.equalTo(
-        property: r'stackParentId',
+        property: r'stackId',
         value: value,
         caseSensitive: caseSensitive,
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdGreaterThan(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdGreaterThan(
     String? value, {
     bool include = false,
     bool caseSensitive = true,
@@ -1965,14 +1964,14 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.greaterThan(
         include: include,
-        property: r'stackParentId',
+        property: r'stackId',
         value: value,
         caseSensitive: caseSensitive,
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdLessThan(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdLessThan(
     String? value, {
     bool include = false,
     bool caseSensitive = true,
@@ -1980,14 +1979,14 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.lessThan(
         include: include,
-        property: r'stackParentId',
+        property: r'stackId',
         value: value,
         caseSensitive: caseSensitive,
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdBetween(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdBetween(
     String? lower,
     String? upper, {
     bool includeLower = true,
@@ -1996,7 +1995,7 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
   }) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.between(
-        property: r'stackParentId',
+        property: r'stackId',
         lower: lower,
         includeLower: includeLower,
         upper: upper,
@@ -2006,69 +2005,221 @@ extension AssetQueryFilter on QueryBuilder<Asset, Asset, QFilterCondition> {
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdStartsWith(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdStartsWith(
     String value, {
     bool caseSensitive = true,
   }) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.startsWith(
-        property: r'stackParentId',
+        property: r'stackId',
         value: value,
         caseSensitive: caseSensitive,
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdEndsWith(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdEndsWith(
     String value, {
     bool caseSensitive = true,
   }) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.endsWith(
-        property: r'stackParentId',
+        property: r'stackId',
         value: value,
         caseSensitive: caseSensitive,
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdContains(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdContains(
       String value,
       {bool caseSensitive = true}) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.contains(
-        property: r'stackParentId',
+        property: r'stackId',
         value: value,
         caseSensitive: caseSensitive,
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdMatches(
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdMatches(
       String pattern,
       {bool caseSensitive = true}) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.matches(
-        property: r'stackParentId',
+        property: r'stackId',
         wildcard: pattern,
         caseSensitive: caseSensitive,
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdIsEmpty() {
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdIsEmpty() {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.equalTo(
-        property: r'stackParentId',
+        property: r'stackId',
         value: '',
       ));
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackParentIdIsNotEmpty() {
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackIdIsNotEmpty() {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.greaterThan(
-        property: r'stackParentId',
+        property: r'stackId',
+        value: '',
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition>
+      stackPrimaryAssetIdIsNull() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(const FilterCondition.isNull(
+        property: r'stackPrimaryAssetId',
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition>
+      stackPrimaryAssetIdIsNotNull() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(const FilterCondition.isNotNull(
+        property: r'stackPrimaryAssetId',
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackPrimaryAssetIdEqualTo(
+    String? value, {
+    bool caseSensitive = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.equalTo(
+        property: r'stackPrimaryAssetId',
+        value: value,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition>
+      stackPrimaryAssetIdGreaterThan(
+    String? value, {
+    bool include = false,
+    bool caseSensitive = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.greaterThan(
+        include: include,
+        property: r'stackPrimaryAssetId',
+        value: value,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackPrimaryAssetIdLessThan(
+    String? value, {
+    bool include = false,
+    bool caseSensitive = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.lessThan(
+        include: include,
+        property: r'stackPrimaryAssetId',
+        value: value,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackPrimaryAssetIdBetween(
+    String? lower,
+    String? upper, {
+    bool includeLower = true,
+    bool includeUpper = true,
+    bool caseSensitive = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.between(
+        property: r'stackPrimaryAssetId',
+        lower: lower,
+        includeLower: includeLower,
+        upper: upper,
+        includeUpper: includeUpper,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition>
+      stackPrimaryAssetIdStartsWith(
+    String value, {
+    bool caseSensitive = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.startsWith(
+        property: r'stackPrimaryAssetId',
+        value: value,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackPrimaryAssetIdEndsWith(
+    String value, {
+    bool caseSensitive = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.endsWith(
+        property: r'stackPrimaryAssetId',
+        value: value,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackPrimaryAssetIdContains(
+      String value,
+      {bool caseSensitive = true}) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.contains(
+        property: r'stackPrimaryAssetId',
+        value: value,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition> stackPrimaryAssetIdMatches(
+      String pattern,
+      {bool caseSensitive = true}) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.matches(
+        property: r'stackPrimaryAssetId',
+        wildcard: pattern,
+        caseSensitive: caseSensitive,
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition>
+      stackPrimaryAssetIdIsEmpty() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.equalTo(
+        property: r'stackPrimaryAssetId',
+        value: '',
+      ));
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterFilterCondition>
+      stackPrimaryAssetIdIsNotEmpty() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.greaterThan(
+        property: r'stackPrimaryAssetId',
         value: '',
       ));
     });
@@ -2580,15 +2731,27 @@ extension AssetQuerySortBy on QueryBuilder<Asset, Asset, QSortBy> {
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterSortBy> sortByStackParentId() {
+  QueryBuilder<Asset, Asset, QAfterSortBy> sortByStackId() {
     return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'stackParentId', Sort.asc);
+      return query.addSortBy(r'stackId', Sort.asc);
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterSortBy> sortByStackParentIdDesc() {
+  QueryBuilder<Asset, Asset, QAfterSortBy> sortByStackIdDesc() {
     return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'stackParentId', Sort.desc);
+      return query.addSortBy(r'stackId', Sort.desc);
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterSortBy> sortByStackPrimaryAssetId() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addSortBy(r'stackPrimaryAssetId', Sort.asc);
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterSortBy> sortByStackPrimaryAssetIdDesc() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addSortBy(r'stackPrimaryAssetId', Sort.desc);
     });
   }
 
@@ -2834,15 +2997,27 @@ extension AssetQuerySortThenBy on QueryBuilder<Asset, Asset, QSortThenBy> {
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterSortBy> thenByStackParentId() {
+  QueryBuilder<Asset, Asset, QAfterSortBy> thenByStackId() {
     return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'stackParentId', Sort.asc);
+      return query.addSortBy(r'stackId', Sort.asc);
     });
   }
 
-  QueryBuilder<Asset, Asset, QAfterSortBy> thenByStackParentIdDesc() {
+  QueryBuilder<Asset, Asset, QAfterSortBy> thenByStackIdDesc() {
     return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'stackParentId', Sort.desc);
+      return query.addSortBy(r'stackId', Sort.desc);
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterSortBy> thenByStackPrimaryAssetId() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addSortBy(r'stackPrimaryAssetId', Sort.asc);
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QAfterSortBy> thenByStackPrimaryAssetIdDesc() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addSortBy(r'stackPrimaryAssetId', Sort.desc);
     });
   }
 
@@ -2992,10 +3167,17 @@ extension AssetQueryWhereDistinct on QueryBuilder<Asset, Asset, QDistinct> {
     });
   }
 
-  QueryBuilder<Asset, Asset, QDistinct> distinctByStackParentId(
+  QueryBuilder<Asset, Asset, QDistinct> distinctByStackId(
       {bool caseSensitive = true}) {
     return QueryBuilder.apply(this, (query) {
-      return query.addDistinctBy(r'stackParentId',
+      return query.addDistinctBy(r'stackId', caseSensitive: caseSensitive);
+    });
+  }
+
+  QueryBuilder<Asset, Asset, QDistinct> distinctByStackPrimaryAssetId(
+      {bool caseSensitive = true}) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addDistinctBy(r'stackPrimaryAssetId',
           caseSensitive: caseSensitive);
     });
   }
@@ -3117,15 +3299,21 @@ extension AssetQueryProperty on QueryBuilder<Asset, Asset, QQueryProperty> {
     });
   }
 
-  QueryBuilder<Asset, int?, QQueryOperations> stackCountProperty() {
+  QueryBuilder<Asset, int, QQueryOperations> stackCountProperty() {
     return QueryBuilder.apply(this, (query) {
       return query.addPropertyName(r'stackCount');
     });
   }
 
-  QueryBuilder<Asset, String?, QQueryOperations> stackParentIdProperty() {
+  QueryBuilder<Asset, String?, QQueryOperations> stackIdProperty() {
     return QueryBuilder.apply(this, (query) {
-      return query.addPropertyName(r'stackParentId');
+      return query.addPropertyName(r'stackId');
+    });
+  }
+
+  QueryBuilder<Asset, String?, QQueryOperations> stackPrimaryAssetIdProperty() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addPropertyName(r'stackPrimaryAssetId');
     });
   }
 
diff --git a/mobile/lib/pages/common/gallery_viewer.page.dart b/mobile/lib/pages/common/gallery_viewer.page.dart
index cc62620dfb..d8ea7cd89b 100644
--- a/mobile/lib/pages/common/gallery_viewer.page.dart
+++ b/mobile/lib/pages/common/gallery_viewer.page.dart
@@ -68,7 +68,7 @@ class GalleryViewerPage extends HookConsumerWidget {
     });
 
     final stackIndex = useState(-1);
-    final stack = showStack && currentAsset.stackChildrenCount > 0
+    final stack = showStack && currentAsset.stackCount > 0
         ? ref.watch(assetStackStateProvider(currentAsset))
         : <Asset>[];
     final stackElements = showStack ? [currentAsset, ...stack] : <Asset>[];
diff --git a/mobile/lib/providers/asset.provider.dart b/mobile/lib/providers/asset.provider.dart
index a0a3879db5..3c1a5ecc01 100644
--- a/mobile/lib/providers/asset.provider.dart
+++ b/mobile/lib/providers/asset.provider.dart
@@ -360,7 +360,7 @@ QueryBuilder<Asset, Asset, QAfterSortBy>? getRemoteAssetQuery(WidgetRef ref) {
       .filter()
       .ownerIdEqualTo(userId)
       .isTrashedEqualTo(false)
-      .stackParentIdIsNull()
+      .stackPrimaryAssetIdIsNull()
       .sortByFileCreatedAtDesc();
 }
 
@@ -374,6 +374,6 @@ QueryBuilder<Asset, Asset, QAfterSortBy> _commonFilterAndSort(
       .filter()
       .isArchivedEqualTo(false)
       .isTrashedEqualTo(false)
-      .stackParentIdIsNull()
+      .stackPrimaryAssetIdIsNull()
       .sortByFileCreatedAtDesc();
 }
diff --git a/mobile/lib/providers/asset_viewer/asset_stack.provider.dart b/mobile/lib/providers/asset_viewer/asset_stack.provider.dart
index 0883ed92db..c3e4414b39 100644
--- a/mobile/lib/providers/asset_viewer/asset_stack.provider.dart
+++ b/mobile/lib/providers/asset_viewer/asset_stack.provider.dart
@@ -48,7 +48,7 @@ final assetStackProvider =
       .filter()
       .isArchivedEqualTo(false)
       .isTrashedEqualTo(false)
-      .stackParentIdEqualTo(asset.remoteId)
+      .stackPrimaryAssetIdEqualTo(asset.remoteId)
       .sortByFileCreatedAtDesc()
       .findAll();
 });
diff --git a/mobile/lib/services/api.service.dart b/mobile/lib/services/api.service.dart
index c128a2c2fc..6ff62d4b3a 100644
--- a/mobile/lib/services/api.service.dart
+++ b/mobile/lib/services/api.service.dart
@@ -29,6 +29,7 @@ class ApiService implements Authentication {
   late ActivitiesApi activitiesApi;
   late DownloadApi downloadApi;
   late TrashApi trashApi;
+  late StacksApi stacksApi;
 
   ApiService() {
     final endpoint = Store.tryGet(StoreKey.serverEndpoint);
@@ -61,6 +62,7 @@ class ApiService implements Authentication {
     activitiesApi = ActivitiesApi(_apiClient);
     downloadApi = DownloadApi(_apiClient);
     trashApi = TrashApi(_apiClient);
+    stacksApi = StacksApi(_apiClient);
   }
 
   Future<String> resolveAndSetEndpoint(String serverUrl) async {
diff --git a/mobile/lib/services/asset_stack.service.dart b/mobile/lib/services/asset_stack.service.dart
deleted file mode 100644
index 9eff495f37..0000000000
--- a/mobile/lib/services/asset_stack.service.dart
+++ /dev/null
@@ -1,72 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:hooks_riverpod/hooks_riverpod.dart';
-import 'package:immich_mobile/entities/asset.entity.dart';
-import 'package:immich_mobile/providers/api.provider.dart';
-import 'package:immich_mobile/services/api.service.dart';
-import 'package:openapi/api.dart';
-
-class AssetStackService {
-  AssetStackService(this._api);
-
-  final ApiService _api;
-
-  Future<void> updateStack(
-    Asset parentAsset, {
-    List<Asset>? childrenToAdd,
-    List<Asset>? childrenToRemove,
-  }) async {
-    // Guard [local asset]
-    if (parentAsset.remoteId == null) {
-      return;
-    }
-
-    try {
-      if (childrenToAdd != null) {
-        final toAdd = childrenToAdd
-            .where((e) => e.isRemote)
-            .map((e) => e.remoteId!)
-            .toList();
-
-        await _api.assetsApi.updateAssets(
-          AssetBulkUpdateDto(ids: toAdd, stackParentId: parentAsset.remoteId),
-        );
-      }
-
-      if (childrenToRemove != null) {
-        final toRemove = childrenToRemove
-            .where((e) => e.isRemote)
-            .map((e) => e.remoteId!)
-            .toList();
-        await _api.assetsApi.updateAssets(
-          AssetBulkUpdateDto(ids: toRemove, removeParent: true),
-        );
-      }
-    } catch (error) {
-      debugPrint("Error while updating stack children: ${error.toString()}");
-    }
-  }
-
-  Future<void> updateStackParent(Asset oldParent, Asset newParent) async {
-    // Guard [local asset]
-    if (oldParent.remoteId == null || newParent.remoteId == null) {
-      return;
-    }
-
-    try {
-      await _api.assetsApi.updateStackParent(
-        UpdateStackParentDto(
-          oldParentId: oldParent.remoteId!,
-          newParentId: newParent.remoteId!,
-        ),
-      );
-    } catch (error) {
-      debugPrint("Error while updating stack parent: ${error.toString()}");
-    }
-  }
-}
-
-final assetStackServiceProvider = Provider(
-  (ref) => AssetStackService(
-    ref.watch(apiServiceProvider),
-  ),
-);
diff --git a/mobile/lib/services/stack.service.dart b/mobile/lib/services/stack.service.dart
new file mode 100644
index 0000000000..75074101c2
--- /dev/null
+++ b/mobile/lib/services/stack.service.dart
@@ -0,0 +1,79 @@
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/entities/asset.entity.dart';
+import 'package:immich_mobile/providers/api.provider.dart';
+import 'package:immich_mobile/providers/db.provider.dart';
+import 'package:immich_mobile/services/api.service.dart';
+import 'package:isar/isar.dart';
+import 'package:openapi/api.dart';
+
+class StackService {
+  StackService(this._api, this._db);
+
+  final ApiService _api;
+  final Isar _db;
+
+  Future<StackResponseDto?> getStack(String stackId) async {
+    try {
+      return _api.stacksApi.getStack(stackId);
+    } catch (error) {
+      debugPrint("Error while fetching stack: $error");
+    }
+    return null;
+  }
+
+  Future<StackResponseDto?> createStack(List<String> assetIds) async {
+    try {
+      return _api.stacksApi.createStack(
+        StackCreateDto(assetIds: assetIds),
+      );
+    } catch (error) {
+      debugPrint("Error while creating stack: $error");
+    }
+    return null;
+  }
+
+  Future<StackResponseDto?> updateStack(
+    String stackId,
+    String primaryAssetId,
+  ) async {
+    try {
+      return await _api.stacksApi.updateStack(
+        stackId,
+        StackUpdateDto(primaryAssetId: primaryAssetId),
+      );
+    } catch (error) {
+      debugPrint("Error while updating stack children: $error");
+    }
+    return null;
+  }
+
+  Future<void> deleteStack(String stackId, List<Asset> assets) async {
+    try {
+      await _api.stacksApi.deleteStack(stackId);
+
+      // Update local database to trigger rerendering
+      final List<Asset> removeAssets = [];
+      for (final asset in assets) {
+        asset.stackId = null;
+        asset.stackPrimaryAssetId = null;
+        asset.stackCount = 0;
+
+        removeAssets.add(asset);
+      }
+
+      _db.writeTxn(() async {
+        await _db.assets.putAll(removeAssets);
+      });
+    } catch (error) {
+      debugPrint("Error while deleting stack: $error");
+    }
+  }
+}
+
+final stackServiceProvider = Provider(
+  (ref) => StackService(
+    ref.watch(apiServiceProvider),
+    ref.watch(dbProvider),
+  ),
+);
diff --git a/mobile/lib/widgets/asset_grid/multiselect_grid.dart b/mobile/lib/widgets/asset_grid/multiselect_grid.dart
index e50a9a5ece..3263373554 100644
--- a/mobile/lib/widgets/asset_grid/multiselect_grid.dart
+++ b/mobile/lib/widgets/asset_grid/multiselect_grid.dart
@@ -11,7 +11,7 @@ import 'package:immich_mobile/extensions/collection_extensions.dart';
 import 'package:immich_mobile/providers/album/album.provider.dart';
 import 'package:immich_mobile/providers/album/shared_album.provider.dart';
 import 'package:immich_mobile/services/album.service.dart';
-import 'package:immich_mobile/services/asset_stack.service.dart';
+import 'package:immich_mobile/services/stack.service.dart';
 import 'package:immich_mobile/providers/backup/manual_upload.provider.dart';
 import 'package:immich_mobile/models/asset_selection_state.dart';
 import 'package:immich_mobile/providers/multiselect.provider.dart';
@@ -344,11 +344,9 @@ class MultiselectGrid extends HookConsumerWidget {
         if (!selectionEnabledHook.value || selection.value.length < 2) {
           return;
         }
-        final parent = selection.value.elementAt(0);
-        selection.value.remove(parent);
-        await ref.read(assetStackServiceProvider).updateStack(
-              parent,
-              childrenToAdd: selection.value.toList(),
+
+        await ref.read(stackServiceProvider).createStack(
+              selection.value.map((e) => e.remoteId!).toList(),
             );
       } finally {
         processing.value = false;
diff --git a/mobile/lib/widgets/asset_grid/thumbnail_image.dart b/mobile/lib/widgets/asset_grid/thumbnail_image.dart
index 2480f44278..8e818f64fb 100644
--- a/mobile/lib/widgets/asset_grid/thumbnail_image.dart
+++ b/mobile/lib/widgets/asset_grid/thumbnail_image.dart
@@ -107,16 +107,16 @@ class ThumbnailImage extends ConsumerWidget {
         right: 8,
         child: Row(
           children: [
-            if (asset.stackChildrenCount > 1)
+            if (asset.stackCount > 1)
               Text(
-                "${asset.stackChildrenCount}",
+                "${asset.stackCount}",
                 style: const TextStyle(
                   color: Colors.white,
                   fontSize: 10,
                   fontWeight: FontWeight.bold,
                 ),
               ),
-            if (asset.stackChildrenCount > 1)
+            if (asset.stackCount > 1)
               const SizedBox(
                 width: 3,
               ),
@@ -208,7 +208,7 @@ class ThumbnailImage extends ConsumerWidget {
             ),
           ),
         if (!asset.isImage) buildVideoIcon(),
-        if (asset.stackChildrenCount > 0) buildStackIcon(),
+        if (asset.stackCount > 0) buildStackIcon(),
       ],
     );
   }
diff --git a/mobile/lib/widgets/asset_viewer/bottom_gallery_bar.dart b/mobile/lib/widgets/asset_viewer/bottom_gallery_bar.dart
index fb70ac309e..7d9e49bd29 100644
--- a/mobile/lib/widgets/asset_viewer/bottom_gallery_bar.dart
+++ b/mobile/lib/widgets/asset_viewer/bottom_gallery_bar.dart
@@ -11,7 +11,7 @@ import 'package:immich_mobile/providers/album/shared_album.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/asset_stack.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/image_viewer_page_state.provider.dart';
 import 'package:immich_mobile/providers/asset_viewer/show_controls.provider.dart';
-import 'package:immich_mobile/services/asset_stack.service.dart';
+import 'package:immich_mobile/services/stack.service.dart';
 import 'package:immich_mobile/widgets/asset_grid/asset_grid_data_structure.dart';
 import 'package:immich_mobile/widgets/asset_viewer/video_controls.dart';
 import 'package:immich_mobile/widgets/asset_grid/delete_dialog.dart';
@@ -49,11 +49,10 @@ class BottomGalleryBar extends ConsumerWidget {
   Widget build(BuildContext context, WidgetRef ref) {
     final isOwner = asset.ownerId == ref.watch(currentUserProvider)?.isarId;
 
-    final stack = showStack && asset.stackChildrenCount > 0
+    final stackItems = showStack && asset.stackCount > 0
         ? ref.watch(assetStackStateProvider(asset))
         : <Asset>[];
-    final stackElements = showStack ? [asset, ...stack] : <Asset>[];
-    bool isParent = stackIndex == -1 || stackIndex == 0;
+    bool isStackPrimaryAsset = asset.stackPrimaryAssetId == null;
     final navStack = AutoRouter.of(context).stackData;
     final isTrashEnabled =
         ref.watch(serverInfoProvider.select((v) => v.serverFeatures.trash));
@@ -76,7 +75,7 @@ class BottomGalleryBar extends ConsumerWidget {
           {asset},
           force: force,
         );
-        if (isDeleted && isParent) {
+        if (isDeleted && isStackPrimaryAsset) {
           // Workaround for asset remaining in the gallery
           renderList.deleteAsset(asset);
 
@@ -98,7 +97,7 @@ class BottomGalleryBar extends ConsumerWidget {
         final isDeleted = await onDelete(false);
         if (isDeleted) {
           // Can only trash assets stored in server. Local assets are always permanently removed for now
-          if (context.mounted && asset.isRemote && isParent) {
+          if (context.mounted && asset.isRemote && isStackPrimaryAsset) {
             ImmichToast.show(
               durationInSecond: 1,
               context: context,
@@ -127,6 +126,16 @@ class BottomGalleryBar extends ConsumerWidget {
       );
     }
 
+    unStack() async {
+      if (asset.stackId == null) {
+        return;
+      }
+
+      await ref
+          .read(stackServiceProvider)
+          .deleteStack(asset.stackId!, [asset, ...stackItems]);
+    }
+
     void showStackActionItems() {
       showModalBottomSheet<void>(
         context: context,
@@ -138,74 +147,13 @@ class BottomGalleryBar extends ConsumerWidget {
               child: Column(
                 mainAxisSize: MainAxisSize.min,
                 children: [
-                  if (!isParent)
-                    ListTile(
-                      leading: const Icon(
-                        Icons.bookmark_border_outlined,
-                        size: 24,
-                      ),
-                      onTap: () async {
-                        await ref
-                            .read(assetStackServiceProvider)
-                            .updateStackParent(
-                              asset,
-                              stackElements.elementAt(stackIndex),
-                            );
-                        ctx.pop();
-                        context.maybePop();
-                      },
-                      title: const Text(
-                        "viewer_stack_use_as_main_asset",
-                        style: TextStyle(fontWeight: FontWeight.bold),
-                      ).tr(),
-                    ),
-                  ListTile(
-                    leading: const Icon(
-                      Icons.copy_all_outlined,
-                      size: 24,
-                    ),
-                    onTap: () async {
-                      if (isParent) {
-                        await ref
-                            .read(assetStackServiceProvider)
-                            .updateStackParent(
-                              asset,
-                              stackElements
-                                  .elementAt(1), // Next asset as parent
-                            );
-                        // Remove itself from stack
-                        await ref.read(assetStackServiceProvider).updateStack(
-                          stackElements.elementAt(1),
-                          childrenToRemove: [asset],
-                        );
-                        ctx.pop();
-                        context.maybePop();
-                      } else {
-                        await ref.read(assetStackServiceProvider).updateStack(
-                          asset,
-                          childrenToRemove: [
-                            stackElements.elementAt(stackIndex),
-                          ],
-                        );
-                        removeAssetFromStack();
-                        ctx.pop();
-                      }
-                    },
-                    title: const Text(
-                      "viewer_remove_from_stack",
-                      style: TextStyle(fontWeight: FontWeight.bold),
-                    ).tr(),
-                  ),
                   ListTile(
                     leading: const Icon(
                       Icons.filter_none_outlined,
                       size: 18,
                     ),
                     onTap: () async {
-                      await ref.read(assetStackServiceProvider).updateStack(
-                            asset,
-                            childrenToRemove: stack,
-                          );
+                      await unStack();
                       ctx.pop();
                       context.maybePop();
                     },
@@ -255,7 +203,7 @@ class BottomGalleryBar extends ConsumerWidget {
 
     handleArchive() {
       ref.read(assetProvider.notifier).toggleArchive([asset]);
-      if (isParent) {
+      if (isStackPrimaryAsset) {
         context.maybePop();
         return;
       }
@@ -346,7 +294,7 @@ class BottomGalleryBar extends ConsumerWidget {
                   tooltip: 'control_bottom_app_bar_archive'.tr(),
                 ): (_) => handleArchive(),
         },
-      if (isOwner && stack.isNotEmpty)
+      if (isOwner && asset.stackCount > 0)
         {
           BottomNavigationBarItem(
             icon: const Icon(Icons.burst_mode_outlined),
diff --git a/mobile/openapi/README.md b/mobile/openapi/README.md
index 657dad9d5b..f2effe1c20 100644
--- a/mobile/openapi/README.md
+++ b/mobile/openapi/README.md
@@ -107,7 +107,6 @@ Class | Method | HTTP request | Description
 *AssetsApi* | [**runAssetJobs**](doc//AssetsApi.md#runassetjobs) | **POST** /assets/jobs | 
 *AssetsApi* | [**updateAsset**](doc//AssetsApi.md#updateasset) | **PUT** /assets/{id} | 
 *AssetsApi* | [**updateAssets**](doc//AssetsApi.md#updateassets) | **PUT** /assets | 
-*AssetsApi* | [**updateStackParent**](doc//AssetsApi.md#updatestackparent) | **PUT** /assets/stack/parent | 
 *AssetsApi* | [**uploadAsset**](doc//AssetsApi.md#uploadasset) | **POST** /assets | 
 *AssetsApi* | [**viewAsset**](doc//AssetsApi.md#viewasset) | **GET** /assets/{id}/thumbnail | 
 *AuditApi* | [**getAuditDeletes**](doc//AuditApi.md#getauditdeletes) | **GET** /audit/deletes | 
@@ -205,6 +204,12 @@ Class | Method | HTTP request | Description
 *SharedLinksApi* | [**removeSharedLink**](doc//SharedLinksApi.md#removesharedlink) | **DELETE** /shared-links/{id} | 
 *SharedLinksApi* | [**removeSharedLinkAssets**](doc//SharedLinksApi.md#removesharedlinkassets) | **DELETE** /shared-links/{id}/assets | 
 *SharedLinksApi* | [**updateSharedLink**](doc//SharedLinksApi.md#updatesharedlink) | **PATCH** /shared-links/{id} | 
+*StacksApi* | [**createStack**](doc//StacksApi.md#createstack) | **POST** /stacks | 
+*StacksApi* | [**deleteStack**](doc//StacksApi.md#deletestack) | **DELETE** /stacks/{id} | 
+*StacksApi* | [**deleteStacks**](doc//StacksApi.md#deletestacks) | **DELETE** /stacks | 
+*StacksApi* | [**getStack**](doc//StacksApi.md#getstack) | **GET** /stacks/{id} | 
+*StacksApi* | [**searchStacks**](doc//StacksApi.md#searchstacks) | **GET** /stacks | 
+*StacksApi* | [**updateStack**](doc//StacksApi.md#updatestack) | **PUT** /stacks/{id} | 
 *SyncApi* | [**getDeltaSync**](doc//SyncApi.md#getdeltasync) | **POST** /sync/delta-sync | 
 *SyncApi* | [**getFullSyncForUser**](doc//SyncApi.md#getfullsyncforuser) | **POST** /sync/full-sync | 
 *SystemConfigApi* | [**getConfig**](doc//SystemConfigApi.md#getconfig) | **GET** /system-config | 
@@ -289,6 +294,7 @@ Class | Method | HTTP request | Description
  - [AssetMediaStatus](doc//AssetMediaStatus.md)
  - [AssetOrder](doc//AssetOrder.md)
  - [AssetResponseDto](doc//AssetResponseDto.md)
+ - [AssetStackResponseDto](doc//AssetStackResponseDto.md)
  - [AssetStatsResponseDto](doc//AssetStatsResponseDto.md)
  - [AssetTypeEnum](doc//AssetTypeEnum.md)
  - [AudioCodec](doc//AudioCodec.md)
@@ -404,6 +410,9 @@ Class | Method | HTTP request | Description
  - [SignUpDto](doc//SignUpDto.md)
  - [SmartInfoResponseDto](doc//SmartInfoResponseDto.md)
  - [SmartSearchDto](doc//SmartSearchDto.md)
+ - [StackCreateDto](doc//StackCreateDto.md)
+ - [StackResponseDto](doc//StackResponseDto.md)
+ - [StackUpdateDto](doc//StackUpdateDto.md)
  - [SystemConfigDto](doc//SystemConfigDto.md)
  - [SystemConfigFFmpegDto](doc//SystemConfigFFmpegDto.md)
  - [SystemConfigImageDto](doc//SystemConfigImageDto.md)
@@ -439,7 +448,6 @@ Class | Method | HTTP request | Description
  - [UpdateAssetDto](doc//UpdateAssetDto.md)
  - [UpdateLibraryDto](doc//UpdateLibraryDto.md)
  - [UpdatePartnerDto](doc//UpdatePartnerDto.md)
- - [UpdateStackParentDto](doc//UpdateStackParentDto.md)
  - [UpdateTagDto](doc//UpdateTagDto.md)
  - [UsageByUserDto](doc//UsageByUserDto.md)
  - [UserAdminCreateDto](doc//UserAdminCreateDto.md)
diff --git a/mobile/openapi/lib/api.dart b/mobile/openapi/lib/api.dart
index 4d33f1018c..6ee06d5304 100644
--- a/mobile/openapi/lib/api.dart
+++ b/mobile/openapi/lib/api.dart
@@ -54,6 +54,7 @@ part 'api/server_api.dart';
 part 'api/server_info_api.dart';
 part 'api/sessions_api.dart';
 part 'api/shared_links_api.dart';
+part 'api/stacks_api.dart';
 part 'api/sync_api.dart';
 part 'api/system_config_api.dart';
 part 'api/system_metadata_api.dart';
@@ -101,6 +102,7 @@ part 'model/asset_media_size.dart';
 part 'model/asset_media_status.dart';
 part 'model/asset_order.dart';
 part 'model/asset_response_dto.dart';
+part 'model/asset_stack_response_dto.dart';
 part 'model/asset_stats_response_dto.dart';
 part 'model/asset_type_enum.dart';
 part 'model/audio_codec.dart';
@@ -216,6 +218,9 @@ part 'model/shared_link_type.dart';
 part 'model/sign_up_dto.dart';
 part 'model/smart_info_response_dto.dart';
 part 'model/smart_search_dto.dart';
+part 'model/stack_create_dto.dart';
+part 'model/stack_response_dto.dart';
+part 'model/stack_update_dto.dart';
 part 'model/system_config_dto.dart';
 part 'model/system_config_f_fmpeg_dto.dart';
 part 'model/system_config_image_dto.dart';
@@ -251,7 +256,6 @@ part 'model/update_album_user_dto.dart';
 part 'model/update_asset_dto.dart';
 part 'model/update_library_dto.dart';
 part 'model/update_partner_dto.dart';
-part 'model/update_stack_parent_dto.dart';
 part 'model/update_tag_dto.dart';
 part 'model/usage_by_user_dto.dart';
 part 'model/user_admin_create_dto.dart';
diff --git a/mobile/openapi/lib/api/assets_api.dart b/mobile/openapi/lib/api/assets_api.dart
index d7d386130b..ceba3574cd 100644
--- a/mobile/openapi/lib/api/assets_api.dart
+++ b/mobile/openapi/lib/api/assets_api.dart
@@ -804,45 +804,6 @@ class AssetsApi {
     }
   }
 
-  /// Performs an HTTP 'PUT /assets/stack/parent' operation and returns the [Response].
-  /// Parameters:
-  ///
-  /// * [UpdateStackParentDto] updateStackParentDto (required):
-  Future<Response> updateStackParentWithHttpInfo(UpdateStackParentDto updateStackParentDto,) async {
-    // ignore: prefer_const_declarations
-    final path = r'/assets/stack/parent';
-
-    // ignore: prefer_final_locals
-    Object? postBody = updateStackParentDto;
-
-    final queryParams = <QueryParam>[];
-    final headerParams = <String, String>{};
-    final formParams = <String, String>{};
-
-    const contentTypes = <String>['application/json'];
-
-
-    return apiClient.invokeAPI(
-      path,
-      'PUT',
-      queryParams,
-      postBody,
-      headerParams,
-      formParams,
-      contentTypes.isEmpty ? null : contentTypes.first,
-    );
-  }
-
-  /// Parameters:
-  ///
-  /// * [UpdateStackParentDto] updateStackParentDto (required):
-  Future<void> updateStackParent(UpdateStackParentDto updateStackParentDto,) async {
-    final response = await updateStackParentWithHttpInfo(updateStackParentDto,);
-    if (response.statusCode >= HttpStatus.badRequest) {
-      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
-    }
-  }
-
   /// Performs an HTTP 'POST /assets' operation and returns the [Response].
   /// Parameters:
   ///
diff --git a/mobile/openapi/lib/api/stacks_api.dart b/mobile/openapi/lib/api/stacks_api.dart
new file mode 100644
index 0000000000..aa1d9b3416
--- /dev/null
+++ b/mobile/openapi/lib/api/stacks_api.dart
@@ -0,0 +1,298 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.18
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+part of openapi.api;
+
+
+class StacksApi {
+  StacksApi([ApiClient? apiClient]) : apiClient = apiClient ?? defaultApiClient;
+
+  final ApiClient apiClient;
+
+  /// Performs an HTTP 'POST /stacks' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [StackCreateDto] stackCreateDto (required):
+  Future<Response> createStackWithHttpInfo(StackCreateDto stackCreateDto,) async {
+    // ignore: prefer_const_declarations
+    final path = r'/stacks';
+
+    // ignore: prefer_final_locals
+    Object? postBody = stackCreateDto;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    const contentTypes = <String>['application/json'];
+
+
+    return apiClient.invokeAPI(
+      path,
+      'POST',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [StackCreateDto] stackCreateDto (required):
+  Future<StackResponseDto?> createStack(StackCreateDto stackCreateDto,) async {
+    final response = await createStackWithHttpInfo(stackCreateDto,);
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+    // When a remote server returns no body with a status of 204, we shall not decode it.
+    // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
+    // FormatException when trying to decode an empty string.
+    if (response.body.isNotEmpty && response.statusCode != HttpStatus.noContent) {
+      return await apiClient.deserializeAsync(await _decodeBodyBytes(response), 'StackResponseDto',) as StackResponseDto;
+    
+    }
+    return null;
+  }
+
+  /// Performs an HTTP 'DELETE /stacks/{id}' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [String] id (required):
+  Future<Response> deleteStackWithHttpInfo(String id,) async {
+    // ignore: prefer_const_declarations
+    final path = r'/stacks/{id}'
+      .replaceAll('{id}', id);
+
+    // ignore: prefer_final_locals
+    Object? postBody;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    const contentTypes = <String>[];
+
+
+    return apiClient.invokeAPI(
+      path,
+      'DELETE',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [String] id (required):
+  Future<void> deleteStack(String id,) async {
+    final response = await deleteStackWithHttpInfo(id,);
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+  }
+
+  /// Performs an HTTP 'DELETE /stacks' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [BulkIdsDto] bulkIdsDto (required):
+  Future<Response> deleteStacksWithHttpInfo(BulkIdsDto bulkIdsDto,) async {
+    // ignore: prefer_const_declarations
+    final path = r'/stacks';
+
+    // ignore: prefer_final_locals
+    Object? postBody = bulkIdsDto;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    const contentTypes = <String>['application/json'];
+
+
+    return apiClient.invokeAPI(
+      path,
+      'DELETE',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [BulkIdsDto] bulkIdsDto (required):
+  Future<void> deleteStacks(BulkIdsDto bulkIdsDto,) async {
+    final response = await deleteStacksWithHttpInfo(bulkIdsDto,);
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+  }
+
+  /// Performs an HTTP 'GET /stacks/{id}' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [String] id (required):
+  Future<Response> getStackWithHttpInfo(String id,) async {
+    // ignore: prefer_const_declarations
+    final path = r'/stacks/{id}'
+      .replaceAll('{id}', id);
+
+    // ignore: prefer_final_locals
+    Object? postBody;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    const contentTypes = <String>[];
+
+
+    return apiClient.invokeAPI(
+      path,
+      'GET',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [String] id (required):
+  Future<StackResponseDto?> getStack(String id,) async {
+    final response = await getStackWithHttpInfo(id,);
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+    // When a remote server returns no body with a status of 204, we shall not decode it.
+    // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
+    // FormatException when trying to decode an empty string.
+    if (response.body.isNotEmpty && response.statusCode != HttpStatus.noContent) {
+      return await apiClient.deserializeAsync(await _decodeBodyBytes(response), 'StackResponseDto',) as StackResponseDto;
+    
+    }
+    return null;
+  }
+
+  /// Performs an HTTP 'GET /stacks' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [String] primaryAssetId:
+  Future<Response> searchStacksWithHttpInfo({ String? primaryAssetId, }) async {
+    // ignore: prefer_const_declarations
+    final path = r'/stacks';
+
+    // ignore: prefer_final_locals
+    Object? postBody;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    if (primaryAssetId != null) {
+      queryParams.addAll(_queryParams('', 'primaryAssetId', primaryAssetId));
+    }
+
+    const contentTypes = <String>[];
+
+
+    return apiClient.invokeAPI(
+      path,
+      'GET',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [String] primaryAssetId:
+  Future<List<StackResponseDto>?> searchStacks({ String? primaryAssetId, }) async {
+    final response = await searchStacksWithHttpInfo( primaryAssetId: primaryAssetId, );
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+    // When a remote server returns no body with a status of 204, we shall not decode it.
+    // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
+    // FormatException when trying to decode an empty string.
+    if (response.body.isNotEmpty && response.statusCode != HttpStatus.noContent) {
+      final responseBody = await _decodeBodyBytes(response);
+      return (await apiClient.deserializeAsync(responseBody, 'List<StackResponseDto>') as List)
+        .cast<StackResponseDto>()
+        .toList(growable: false);
+
+    }
+    return null;
+  }
+
+  /// Performs an HTTP 'PUT /stacks/{id}' operation and returns the [Response].
+  /// Parameters:
+  ///
+  /// * [String] id (required):
+  ///
+  /// * [StackUpdateDto] stackUpdateDto (required):
+  Future<Response> updateStackWithHttpInfo(String id, StackUpdateDto stackUpdateDto,) async {
+    // ignore: prefer_const_declarations
+    final path = r'/stacks/{id}'
+      .replaceAll('{id}', id);
+
+    // ignore: prefer_final_locals
+    Object? postBody = stackUpdateDto;
+
+    final queryParams = <QueryParam>[];
+    final headerParams = <String, String>{};
+    final formParams = <String, String>{};
+
+    const contentTypes = <String>['application/json'];
+
+
+    return apiClient.invokeAPI(
+      path,
+      'PUT',
+      queryParams,
+      postBody,
+      headerParams,
+      formParams,
+      contentTypes.isEmpty ? null : contentTypes.first,
+    );
+  }
+
+  /// Parameters:
+  ///
+  /// * [String] id (required):
+  ///
+  /// * [StackUpdateDto] stackUpdateDto (required):
+  Future<StackResponseDto?> updateStack(String id, StackUpdateDto stackUpdateDto,) async {
+    final response = await updateStackWithHttpInfo(id, stackUpdateDto,);
+    if (response.statusCode >= HttpStatus.badRequest) {
+      throw ApiException(response.statusCode, await _decodeBodyBytes(response));
+    }
+    // When a remote server returns no body with a status of 204, we shall not decode it.
+    // At the time of writing this, `dart:convert` will throw an "Unexpected end of input"
+    // FormatException when trying to decode an empty string.
+    if (response.body.isNotEmpty && response.statusCode != HttpStatus.noContent) {
+      return await apiClient.deserializeAsync(await _decodeBodyBytes(response), 'StackResponseDto',) as StackResponseDto;
+    
+    }
+    return null;
+  }
+}
diff --git a/mobile/openapi/lib/api_client.dart b/mobile/openapi/lib/api_client.dart
index b5b79be8b1..935324272d 100644
--- a/mobile/openapi/lib/api_client.dart
+++ b/mobile/openapi/lib/api_client.dart
@@ -259,6 +259,8 @@ class ApiClient {
           return AssetOrderTypeTransformer().decode(value);
         case 'AssetResponseDto':
           return AssetResponseDto.fromJson(value);
+        case 'AssetStackResponseDto':
+          return AssetStackResponseDto.fromJson(value);
         case 'AssetStatsResponseDto':
           return AssetStatsResponseDto.fromJson(value);
         case 'AssetTypeEnum':
@@ -489,6 +491,12 @@ class ApiClient {
           return SmartInfoResponseDto.fromJson(value);
         case 'SmartSearchDto':
           return SmartSearchDto.fromJson(value);
+        case 'StackCreateDto':
+          return StackCreateDto.fromJson(value);
+        case 'StackResponseDto':
+          return StackResponseDto.fromJson(value);
+        case 'StackUpdateDto':
+          return StackUpdateDto.fromJson(value);
         case 'SystemConfigDto':
           return SystemConfigDto.fromJson(value);
         case 'SystemConfigFFmpegDto':
@@ -559,8 +567,6 @@ class ApiClient {
           return UpdateLibraryDto.fromJson(value);
         case 'UpdatePartnerDto':
           return UpdatePartnerDto.fromJson(value);
-        case 'UpdateStackParentDto':
-          return UpdateStackParentDto.fromJson(value);
         case 'UpdateTagDto':
           return UpdateTagDto.fromJson(value);
         case 'UsageByUserDto':
diff --git a/mobile/openapi/lib/model/asset_bulk_update_dto.dart b/mobile/openapi/lib/model/asset_bulk_update_dto.dart
index 452dd2f9a5..c9b21683fb 100644
--- a/mobile/openapi/lib/model/asset_bulk_update_dto.dart
+++ b/mobile/openapi/lib/model/asset_bulk_update_dto.dart
@@ -21,8 +21,6 @@ class AssetBulkUpdateDto {
     this.latitude,
     this.longitude,
     this.rating,
-    this.removeParent,
-    this.stackParentId,
   });
 
   ///
@@ -79,22 +77,6 @@ class AssetBulkUpdateDto {
   ///
   num? rating;
 
-  ///
-  /// Please note: This property should have been non-nullable! Since the specification file
-  /// does not include a default value (using the "default:" property), however, the generated
-  /// source code must fall back to having a nullable type.
-  /// Consider adding a "default:" property in the specification file to hide this note.
-  ///
-  bool? removeParent;
-
-  ///
-  /// Please note: This property should have been non-nullable! Since the specification file
-  /// does not include a default value (using the "default:" property), however, the generated
-  /// source code must fall back to having a nullable type.
-  /// Consider adding a "default:" property in the specification file to hide this note.
-  ///
-  String? stackParentId;
-
   @override
   bool operator ==(Object other) => identical(this, other) || other is AssetBulkUpdateDto &&
     other.dateTimeOriginal == dateTimeOriginal &&
@@ -104,9 +86,7 @@ class AssetBulkUpdateDto {
     other.isFavorite == isFavorite &&
     other.latitude == latitude &&
     other.longitude == longitude &&
-    other.rating == rating &&
-    other.removeParent == removeParent &&
-    other.stackParentId == stackParentId;
+    other.rating == rating;
 
   @override
   int get hashCode =>
@@ -118,12 +98,10 @@ class AssetBulkUpdateDto {
     (isFavorite == null ? 0 : isFavorite!.hashCode) +
     (latitude == null ? 0 : latitude!.hashCode) +
     (longitude == null ? 0 : longitude!.hashCode) +
-    (rating == null ? 0 : rating!.hashCode) +
-    (removeParent == null ? 0 : removeParent!.hashCode) +
-    (stackParentId == null ? 0 : stackParentId!.hashCode);
+    (rating == null ? 0 : rating!.hashCode);
 
   @override
-  String toString() => 'AssetBulkUpdateDto[dateTimeOriginal=$dateTimeOriginal, duplicateId=$duplicateId, ids=$ids, isArchived=$isArchived, isFavorite=$isFavorite, latitude=$latitude, longitude=$longitude, rating=$rating, removeParent=$removeParent, stackParentId=$stackParentId]';
+  String toString() => 'AssetBulkUpdateDto[dateTimeOriginal=$dateTimeOriginal, duplicateId=$duplicateId, ids=$ids, isArchived=$isArchived, isFavorite=$isFavorite, latitude=$latitude, longitude=$longitude, rating=$rating]';
 
   Map<String, dynamic> toJson() {
     final json = <String, dynamic>{};
@@ -163,16 +141,6 @@ class AssetBulkUpdateDto {
     } else {
     //  json[r'rating'] = null;
     }
-    if (this.removeParent != null) {
-      json[r'removeParent'] = this.removeParent;
-    } else {
-    //  json[r'removeParent'] = null;
-    }
-    if (this.stackParentId != null) {
-      json[r'stackParentId'] = this.stackParentId;
-    } else {
-    //  json[r'stackParentId'] = null;
-    }
     return json;
   }
 
@@ -194,8 +162,6 @@ class AssetBulkUpdateDto {
         latitude: num.parse('${json[r'latitude']}'),
         longitude: num.parse('${json[r'longitude']}'),
         rating: num.parse('${json[r'rating']}'),
-        removeParent: mapValueOfType<bool>(json, r'removeParent'),
-        stackParentId: mapValueOfType<String>(json, r'stackParentId'),
       );
     }
     return null;
diff --git a/mobile/openapi/lib/model/asset_response_dto.dart b/mobile/openapi/lib/model/asset_response_dto.dart
index 61e33ef4e0..561a42cc85 100644
--- a/mobile/openapi/lib/model/asset_response_dto.dart
+++ b/mobile/openapi/lib/model/asset_response_dto.dart
@@ -38,9 +38,7 @@ class AssetResponseDto {
     this.people = const [],
     required this.resized,
     this.smartInfo,
-    this.stack = const [],
-    required this.stackCount,
-    this.stackParentId,
+    this.stack,
     this.tags = const [],
     required this.thumbhash,
     required this.type,
@@ -124,11 +122,7 @@ class AssetResponseDto {
   ///
   SmartInfoResponseDto? smartInfo;
 
-  List<AssetResponseDto> stack;
-
-  int? stackCount;
-
-  String? stackParentId;
+  AssetStackResponseDto? stack;
 
   List<TagResponseDto> tags;
 
@@ -167,9 +161,7 @@ class AssetResponseDto {
     _deepEquality.equals(other.people, people) &&
     other.resized == resized &&
     other.smartInfo == smartInfo &&
-    _deepEquality.equals(other.stack, stack) &&
-    other.stackCount == stackCount &&
-    other.stackParentId == stackParentId &&
+    other.stack == stack &&
     _deepEquality.equals(other.tags, tags) &&
     other.thumbhash == thumbhash &&
     other.type == type &&
@@ -204,9 +196,7 @@ class AssetResponseDto {
     (people.hashCode) +
     (resized.hashCode) +
     (smartInfo == null ? 0 : smartInfo!.hashCode) +
-    (stack.hashCode) +
-    (stackCount == null ? 0 : stackCount!.hashCode) +
-    (stackParentId == null ? 0 : stackParentId!.hashCode) +
+    (stack == null ? 0 : stack!.hashCode) +
     (tags.hashCode) +
     (thumbhash == null ? 0 : thumbhash!.hashCode) +
     (type.hashCode) +
@@ -214,7 +204,7 @@ class AssetResponseDto {
     (updatedAt.hashCode);
 
   @override
-  String toString() => 'AssetResponseDto[checksum=$checksum, deviceAssetId=$deviceAssetId, deviceId=$deviceId, duplicateId=$duplicateId, duration=$duration, exifInfo=$exifInfo, fileCreatedAt=$fileCreatedAt, fileModifiedAt=$fileModifiedAt, hasMetadata=$hasMetadata, id=$id, isArchived=$isArchived, isFavorite=$isFavorite, isOffline=$isOffline, isTrashed=$isTrashed, libraryId=$libraryId, livePhotoVideoId=$livePhotoVideoId, localDateTime=$localDateTime, originalFileName=$originalFileName, originalMimeType=$originalMimeType, originalPath=$originalPath, owner=$owner, ownerId=$ownerId, people=$people, resized=$resized, smartInfo=$smartInfo, stack=$stack, stackCount=$stackCount, stackParentId=$stackParentId, tags=$tags, thumbhash=$thumbhash, type=$type, unassignedFaces=$unassignedFaces, updatedAt=$updatedAt]';
+  String toString() => 'AssetResponseDto[checksum=$checksum, deviceAssetId=$deviceAssetId, deviceId=$deviceId, duplicateId=$duplicateId, duration=$duration, exifInfo=$exifInfo, fileCreatedAt=$fileCreatedAt, fileModifiedAt=$fileModifiedAt, hasMetadata=$hasMetadata, id=$id, isArchived=$isArchived, isFavorite=$isFavorite, isOffline=$isOffline, isTrashed=$isTrashed, libraryId=$libraryId, livePhotoVideoId=$livePhotoVideoId, localDateTime=$localDateTime, originalFileName=$originalFileName, originalMimeType=$originalMimeType, originalPath=$originalPath, owner=$owner, ownerId=$ownerId, people=$people, resized=$resized, smartInfo=$smartInfo, stack=$stack, tags=$tags, thumbhash=$thumbhash, type=$type, unassignedFaces=$unassignedFaces, updatedAt=$updatedAt]';
 
   Map<String, dynamic> toJson() {
     final json = <String, dynamic>{};
@@ -271,16 +261,10 @@ class AssetResponseDto {
     } else {
     //  json[r'smartInfo'] = null;
     }
+    if (this.stack != null) {
       json[r'stack'] = this.stack;
-    if (this.stackCount != null) {
-      json[r'stackCount'] = this.stackCount;
     } else {
-    //  json[r'stackCount'] = null;
-    }
-    if (this.stackParentId != null) {
-      json[r'stackParentId'] = this.stackParentId;
-    } else {
-    //  json[r'stackParentId'] = null;
+    //  json[r'stack'] = null;
     }
       json[r'tags'] = this.tags;
     if (this.thumbhash != null) {
@@ -327,9 +311,7 @@ class AssetResponseDto {
         people: PersonWithFacesResponseDto.listFromJson(json[r'people']),
         resized: mapValueOfType<bool>(json, r'resized')!,
         smartInfo: SmartInfoResponseDto.fromJson(json[r'smartInfo']),
-        stack: AssetResponseDto.listFromJson(json[r'stack']),
-        stackCount: mapValueOfType<int>(json, r'stackCount'),
-        stackParentId: mapValueOfType<String>(json, r'stackParentId'),
+        stack: AssetStackResponseDto.fromJson(json[r'stack']),
         tags: TagResponseDto.listFromJson(json[r'tags']),
         thumbhash: mapValueOfType<String>(json, r'thumbhash'),
         type: AssetTypeEnum.fromJson(json[r'type'])!,
@@ -399,7 +381,6 @@ class AssetResponseDto {
     'originalPath',
     'ownerId',
     'resized',
-    'stackCount',
     'thumbhash',
     'type',
     'updatedAt',
diff --git a/mobile/openapi/lib/model/asset_stack_response_dto.dart b/mobile/openapi/lib/model/asset_stack_response_dto.dart
new file mode 100644
index 0000000000..89d30f7810
--- /dev/null
+++ b/mobile/openapi/lib/model/asset_stack_response_dto.dart
@@ -0,0 +1,114 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.18
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+part of openapi.api;
+
+class AssetStackResponseDto {
+  /// Returns a new [AssetStackResponseDto] instance.
+  AssetStackResponseDto({
+    required this.assetCount,
+    required this.id,
+    required this.primaryAssetId,
+  });
+
+  int assetCount;
+
+  String id;
+
+  String primaryAssetId;
+
+  @override
+  bool operator ==(Object other) => identical(this, other) || other is AssetStackResponseDto &&
+    other.assetCount == assetCount &&
+    other.id == id &&
+    other.primaryAssetId == primaryAssetId;
+
+  @override
+  int get hashCode =>
+    // ignore: unnecessary_parenthesis
+    (assetCount.hashCode) +
+    (id.hashCode) +
+    (primaryAssetId.hashCode);
+
+  @override
+  String toString() => 'AssetStackResponseDto[assetCount=$assetCount, id=$id, primaryAssetId=$primaryAssetId]';
+
+  Map<String, dynamic> toJson() {
+    final json = <String, dynamic>{};
+      json[r'assetCount'] = this.assetCount;
+      json[r'id'] = this.id;
+      json[r'primaryAssetId'] = this.primaryAssetId;
+    return json;
+  }
+
+  /// Returns a new [AssetStackResponseDto] instance and imports its values from
+  /// [value] if it's a [Map], null otherwise.
+  // ignore: prefer_constructors_over_static_methods
+  static AssetStackResponseDto? fromJson(dynamic value) {
+    if (value is Map) {
+      final json = value.cast<String, dynamic>();
+
+      return AssetStackResponseDto(
+        assetCount: mapValueOfType<int>(json, r'assetCount')!,
+        id: mapValueOfType<String>(json, r'id')!,
+        primaryAssetId: mapValueOfType<String>(json, r'primaryAssetId')!,
+      );
+    }
+    return null;
+  }
+
+  static List<AssetStackResponseDto> listFromJson(dynamic json, {bool growable = false,}) {
+    final result = <AssetStackResponseDto>[];
+    if (json is List && json.isNotEmpty) {
+      for (final row in json) {
+        final value = AssetStackResponseDto.fromJson(row);
+        if (value != null) {
+          result.add(value);
+        }
+      }
+    }
+    return result.toList(growable: growable);
+  }
+
+  static Map<String, AssetStackResponseDto> mapFromJson(dynamic json) {
+    final map = <String, AssetStackResponseDto>{};
+    if (json is Map && json.isNotEmpty) {
+      json = json.cast<String, dynamic>(); // ignore: parameter_assignments
+      for (final entry in json.entries) {
+        final value = AssetStackResponseDto.fromJson(entry.value);
+        if (value != null) {
+          map[entry.key] = value;
+        }
+      }
+    }
+    return map;
+  }
+
+  // maps a json object with a list of AssetStackResponseDto-objects as value to a dart map
+  static Map<String, List<AssetStackResponseDto>> mapListFromJson(dynamic json, {bool growable = false,}) {
+    final map = <String, List<AssetStackResponseDto>>{};
+    if (json is Map && json.isNotEmpty) {
+      // ignore: parameter_assignments
+      json = json.cast<String, dynamic>();
+      for (final entry in json.entries) {
+        map[entry.key] = AssetStackResponseDto.listFromJson(entry.value, growable: growable,);
+      }
+    }
+    return map;
+  }
+
+  /// The list of required keys that must be present in a JSON.
+  static const requiredKeys = <String>{
+    'assetCount',
+    'id',
+    'primaryAssetId',
+  };
+}
+
diff --git a/mobile/openapi/lib/model/permission.dart b/mobile/openapi/lib/model/permission.dart
index 30dc89a47c..3a9b61d81c 100644
--- a/mobile/openapi/lib/model/permission.dart
+++ b/mobile/openapi/lib/model/permission.dart
@@ -82,6 +82,10 @@ class Permission {
   static const sharedLinkPeriodRead = Permission._(r'sharedLink.read');
   static const sharedLinkPeriodUpdate = Permission._(r'sharedLink.update');
   static const sharedLinkPeriodDelete = Permission._(r'sharedLink.delete');
+  static const stackPeriodCreate = Permission._(r'stack.create');
+  static const stackPeriodRead = Permission._(r'stack.read');
+  static const stackPeriodUpdate = Permission._(r'stack.update');
+  static const stackPeriodDelete = Permission._(r'stack.delete');
   static const systemConfigPeriodRead = Permission._(r'systemConfig.read');
   static const systemConfigPeriodUpdate = Permission._(r'systemConfig.update');
   static const systemMetadataPeriodRead = Permission._(r'systemMetadata.read');
@@ -156,6 +160,10 @@ class Permission {
     sharedLinkPeriodRead,
     sharedLinkPeriodUpdate,
     sharedLinkPeriodDelete,
+    stackPeriodCreate,
+    stackPeriodRead,
+    stackPeriodUpdate,
+    stackPeriodDelete,
     systemConfigPeriodRead,
     systemConfigPeriodUpdate,
     systemMetadataPeriodRead,
@@ -265,6 +273,10 @@ class PermissionTypeTransformer {
         case r'sharedLink.read': return Permission.sharedLinkPeriodRead;
         case r'sharedLink.update': return Permission.sharedLinkPeriodUpdate;
         case r'sharedLink.delete': return Permission.sharedLinkPeriodDelete;
+        case r'stack.create': return Permission.stackPeriodCreate;
+        case r'stack.read': return Permission.stackPeriodRead;
+        case r'stack.update': return Permission.stackPeriodUpdate;
+        case r'stack.delete': return Permission.stackPeriodDelete;
         case r'systemConfig.read': return Permission.systemConfigPeriodRead;
         case r'systemConfig.update': return Permission.systemConfigPeriodUpdate;
         case r'systemMetadata.read': return Permission.systemMetadataPeriodRead;
diff --git a/mobile/openapi/lib/model/stack_create_dto.dart b/mobile/openapi/lib/model/stack_create_dto.dart
new file mode 100644
index 0000000000..9b37bc6e2e
--- /dev/null
+++ b/mobile/openapi/lib/model/stack_create_dto.dart
@@ -0,0 +1,101 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.18
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+part of openapi.api;
+
+class StackCreateDto {
+  /// Returns a new [StackCreateDto] instance.
+  StackCreateDto({
+    this.assetIds = const [],
+  });
+
+  /// first asset becomes the primary
+  List<String> assetIds;
+
+  @override
+  bool operator ==(Object other) => identical(this, other) || other is StackCreateDto &&
+    _deepEquality.equals(other.assetIds, assetIds);
+
+  @override
+  int get hashCode =>
+    // ignore: unnecessary_parenthesis
+    (assetIds.hashCode);
+
+  @override
+  String toString() => 'StackCreateDto[assetIds=$assetIds]';
+
+  Map<String, dynamic> toJson() {
+    final json = <String, dynamic>{};
+      json[r'assetIds'] = this.assetIds;
+    return json;
+  }
+
+  /// Returns a new [StackCreateDto] instance and imports its values from
+  /// [value] if it's a [Map], null otherwise.
+  // ignore: prefer_constructors_over_static_methods
+  static StackCreateDto? fromJson(dynamic value) {
+    if (value is Map) {
+      final json = value.cast<String, dynamic>();
+
+      return StackCreateDto(
+        assetIds: json[r'assetIds'] is Iterable
+            ? (json[r'assetIds'] as Iterable).cast<String>().toList(growable: false)
+            : const [],
+      );
+    }
+    return null;
+  }
+
+  static List<StackCreateDto> listFromJson(dynamic json, {bool growable = false,}) {
+    final result = <StackCreateDto>[];
+    if (json is List && json.isNotEmpty) {
+      for (final row in json) {
+        final value = StackCreateDto.fromJson(row);
+        if (value != null) {
+          result.add(value);
+        }
+      }
+    }
+    return result.toList(growable: growable);
+  }
+
+  static Map<String, StackCreateDto> mapFromJson(dynamic json) {
+    final map = <String, StackCreateDto>{};
+    if (json is Map && json.isNotEmpty) {
+      json = json.cast<String, dynamic>(); // ignore: parameter_assignments
+      for (final entry in json.entries) {
+        final value = StackCreateDto.fromJson(entry.value);
+        if (value != null) {
+          map[entry.key] = value;
+        }
+      }
+    }
+    return map;
+  }
+
+  // maps a json object with a list of StackCreateDto-objects as value to a dart map
+  static Map<String, List<StackCreateDto>> mapListFromJson(dynamic json, {bool growable = false,}) {
+    final map = <String, List<StackCreateDto>>{};
+    if (json is Map && json.isNotEmpty) {
+      // ignore: parameter_assignments
+      json = json.cast<String, dynamic>();
+      for (final entry in json.entries) {
+        map[entry.key] = StackCreateDto.listFromJson(entry.value, growable: growable,);
+      }
+    }
+    return map;
+  }
+
+  /// The list of required keys that must be present in a JSON.
+  static const requiredKeys = <String>{
+    'assetIds',
+  };
+}
+
diff --git a/mobile/openapi/lib/model/stack_response_dto.dart b/mobile/openapi/lib/model/stack_response_dto.dart
new file mode 100644
index 0000000000..3d0aaf91d1
--- /dev/null
+++ b/mobile/openapi/lib/model/stack_response_dto.dart
@@ -0,0 +1,114 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.18
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+part of openapi.api;
+
+class StackResponseDto {
+  /// Returns a new [StackResponseDto] instance.
+  StackResponseDto({
+    this.assets = const [],
+    required this.id,
+    required this.primaryAssetId,
+  });
+
+  List<AssetResponseDto> assets;
+
+  String id;
+
+  String primaryAssetId;
+
+  @override
+  bool operator ==(Object other) => identical(this, other) || other is StackResponseDto &&
+    _deepEquality.equals(other.assets, assets) &&
+    other.id == id &&
+    other.primaryAssetId == primaryAssetId;
+
+  @override
+  int get hashCode =>
+    // ignore: unnecessary_parenthesis
+    (assets.hashCode) +
+    (id.hashCode) +
+    (primaryAssetId.hashCode);
+
+  @override
+  String toString() => 'StackResponseDto[assets=$assets, id=$id, primaryAssetId=$primaryAssetId]';
+
+  Map<String, dynamic> toJson() {
+    final json = <String, dynamic>{};
+      json[r'assets'] = this.assets;
+      json[r'id'] = this.id;
+      json[r'primaryAssetId'] = this.primaryAssetId;
+    return json;
+  }
+
+  /// Returns a new [StackResponseDto] instance and imports its values from
+  /// [value] if it's a [Map], null otherwise.
+  // ignore: prefer_constructors_over_static_methods
+  static StackResponseDto? fromJson(dynamic value) {
+    if (value is Map) {
+      final json = value.cast<String, dynamic>();
+
+      return StackResponseDto(
+        assets: AssetResponseDto.listFromJson(json[r'assets']),
+        id: mapValueOfType<String>(json, r'id')!,
+        primaryAssetId: mapValueOfType<String>(json, r'primaryAssetId')!,
+      );
+    }
+    return null;
+  }
+
+  static List<StackResponseDto> listFromJson(dynamic json, {bool growable = false,}) {
+    final result = <StackResponseDto>[];
+    if (json is List && json.isNotEmpty) {
+      for (final row in json) {
+        final value = StackResponseDto.fromJson(row);
+        if (value != null) {
+          result.add(value);
+        }
+      }
+    }
+    return result.toList(growable: growable);
+  }
+
+  static Map<String, StackResponseDto> mapFromJson(dynamic json) {
+    final map = <String, StackResponseDto>{};
+    if (json is Map && json.isNotEmpty) {
+      json = json.cast<String, dynamic>(); // ignore: parameter_assignments
+      for (final entry in json.entries) {
+        final value = StackResponseDto.fromJson(entry.value);
+        if (value != null) {
+          map[entry.key] = value;
+        }
+      }
+    }
+    return map;
+  }
+
+  // maps a json object with a list of StackResponseDto-objects as value to a dart map
+  static Map<String, List<StackResponseDto>> mapListFromJson(dynamic json, {bool growable = false,}) {
+    final map = <String, List<StackResponseDto>>{};
+    if (json is Map && json.isNotEmpty) {
+      // ignore: parameter_assignments
+      json = json.cast<String, dynamic>();
+      for (final entry in json.entries) {
+        map[entry.key] = StackResponseDto.listFromJson(entry.value, growable: growable,);
+      }
+    }
+    return map;
+  }
+
+  /// The list of required keys that must be present in a JSON.
+  static const requiredKeys = <String>{
+    'assets',
+    'id',
+    'primaryAssetId',
+  };
+}
+
diff --git a/mobile/openapi/lib/model/stack_update_dto.dart b/mobile/openapi/lib/model/stack_update_dto.dart
new file mode 100644
index 0000000000..0e97127210
--- /dev/null
+++ b/mobile/openapi/lib/model/stack_update_dto.dart
@@ -0,0 +1,107 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.18
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+part of openapi.api;
+
+class StackUpdateDto {
+  /// Returns a new [StackUpdateDto] instance.
+  StackUpdateDto({
+    this.primaryAssetId,
+  });
+
+  ///
+  /// Please note: This property should have been non-nullable! Since the specification file
+  /// does not include a default value (using the "default:" property), however, the generated
+  /// source code must fall back to having a nullable type.
+  /// Consider adding a "default:" property in the specification file to hide this note.
+  ///
+  String? primaryAssetId;
+
+  @override
+  bool operator ==(Object other) => identical(this, other) || other is StackUpdateDto &&
+    other.primaryAssetId == primaryAssetId;
+
+  @override
+  int get hashCode =>
+    // ignore: unnecessary_parenthesis
+    (primaryAssetId == null ? 0 : primaryAssetId!.hashCode);
+
+  @override
+  String toString() => 'StackUpdateDto[primaryAssetId=$primaryAssetId]';
+
+  Map<String, dynamic> toJson() {
+    final json = <String, dynamic>{};
+    if (this.primaryAssetId != null) {
+      json[r'primaryAssetId'] = this.primaryAssetId;
+    } else {
+    //  json[r'primaryAssetId'] = null;
+    }
+    return json;
+  }
+
+  /// Returns a new [StackUpdateDto] instance and imports its values from
+  /// [value] if it's a [Map], null otherwise.
+  // ignore: prefer_constructors_over_static_methods
+  static StackUpdateDto? fromJson(dynamic value) {
+    if (value is Map) {
+      final json = value.cast<String, dynamic>();
+
+      return StackUpdateDto(
+        primaryAssetId: mapValueOfType<String>(json, r'primaryAssetId'),
+      );
+    }
+    return null;
+  }
+
+  static List<StackUpdateDto> listFromJson(dynamic json, {bool growable = false,}) {
+    final result = <StackUpdateDto>[];
+    if (json is List && json.isNotEmpty) {
+      for (final row in json) {
+        final value = StackUpdateDto.fromJson(row);
+        if (value != null) {
+          result.add(value);
+        }
+      }
+    }
+    return result.toList(growable: growable);
+  }
+
+  static Map<String, StackUpdateDto> mapFromJson(dynamic json) {
+    final map = <String, StackUpdateDto>{};
+    if (json is Map && json.isNotEmpty) {
+      json = json.cast<String, dynamic>(); // ignore: parameter_assignments
+      for (final entry in json.entries) {
+        final value = StackUpdateDto.fromJson(entry.value);
+        if (value != null) {
+          map[entry.key] = value;
+        }
+      }
+    }
+    return map;
+  }
+
+  // maps a json object with a list of StackUpdateDto-objects as value to a dart map
+  static Map<String, List<StackUpdateDto>> mapListFromJson(dynamic json, {bool growable = false,}) {
+    final map = <String, List<StackUpdateDto>>{};
+    if (json is Map && json.isNotEmpty) {
+      // ignore: parameter_assignments
+      json = json.cast<String, dynamic>();
+      for (final entry in json.entries) {
+        map[entry.key] = StackUpdateDto.listFromJson(entry.value, growable: growable,);
+      }
+    }
+    return map;
+  }
+
+  /// The list of required keys that must be present in a JSON.
+  static const requiredKeys = <String>{
+  };
+}
+
diff --git a/mobile/openapi/lib/model/update_stack_parent_dto.dart b/mobile/openapi/lib/model/update_stack_parent_dto.dart
deleted file mode 100644
index 4247c2e29f..0000000000
--- a/mobile/openapi/lib/model/update_stack_parent_dto.dart
+++ /dev/null
@@ -1,106 +0,0 @@
-//
-// AUTO-GENERATED FILE, DO NOT MODIFY!
-//
-// @dart=2.18
-
-// ignore_for_file: unused_element, unused_import
-// ignore_for_file: always_put_required_named_parameters_first
-// ignore_for_file: constant_identifier_names
-// ignore_for_file: lines_longer_than_80_chars
-
-part of openapi.api;
-
-class UpdateStackParentDto {
-  /// Returns a new [UpdateStackParentDto] instance.
-  UpdateStackParentDto({
-    required this.newParentId,
-    required this.oldParentId,
-  });
-
-  String newParentId;
-
-  String oldParentId;
-
-  @override
-  bool operator ==(Object other) => identical(this, other) || other is UpdateStackParentDto &&
-    other.newParentId == newParentId &&
-    other.oldParentId == oldParentId;
-
-  @override
-  int get hashCode =>
-    // ignore: unnecessary_parenthesis
-    (newParentId.hashCode) +
-    (oldParentId.hashCode);
-
-  @override
-  String toString() => 'UpdateStackParentDto[newParentId=$newParentId, oldParentId=$oldParentId]';
-
-  Map<String, dynamic> toJson() {
-    final json = <String, dynamic>{};
-      json[r'newParentId'] = this.newParentId;
-      json[r'oldParentId'] = this.oldParentId;
-    return json;
-  }
-
-  /// Returns a new [UpdateStackParentDto] instance and imports its values from
-  /// [value] if it's a [Map], null otherwise.
-  // ignore: prefer_constructors_over_static_methods
-  static UpdateStackParentDto? fromJson(dynamic value) {
-    if (value is Map) {
-      final json = value.cast<String, dynamic>();
-
-      return UpdateStackParentDto(
-        newParentId: mapValueOfType<String>(json, r'newParentId')!,
-        oldParentId: mapValueOfType<String>(json, r'oldParentId')!,
-      );
-    }
-    return null;
-  }
-
-  static List<UpdateStackParentDto> listFromJson(dynamic json, {bool growable = false,}) {
-    final result = <UpdateStackParentDto>[];
-    if (json is List && json.isNotEmpty) {
-      for (final row in json) {
-        final value = UpdateStackParentDto.fromJson(row);
-        if (value != null) {
-          result.add(value);
-        }
-      }
-    }
-    return result.toList(growable: growable);
-  }
-
-  static Map<String, UpdateStackParentDto> mapFromJson(dynamic json) {
-    final map = <String, UpdateStackParentDto>{};
-    if (json is Map && json.isNotEmpty) {
-      json = json.cast<String, dynamic>(); // ignore: parameter_assignments
-      for (final entry in json.entries) {
-        final value = UpdateStackParentDto.fromJson(entry.value);
-        if (value != null) {
-          map[entry.key] = value;
-        }
-      }
-    }
-    return map;
-  }
-
-  // maps a json object with a list of UpdateStackParentDto-objects as value to a dart map
-  static Map<String, List<UpdateStackParentDto>> mapListFromJson(dynamic json, {bool growable = false,}) {
-    final map = <String, List<UpdateStackParentDto>>{};
-    if (json is Map && json.isNotEmpty) {
-      // ignore: parameter_assignments
-      json = json.cast<String, dynamic>();
-      for (final entry in json.entries) {
-        map[entry.key] = UpdateStackParentDto.listFromJson(entry.value, growable: growable,);
-      }
-    }
-    return map;
-  }
-
-  /// The list of required keys that must be present in a JSON.
-  static const requiredKeys = <String>{
-    'newParentId',
-    'oldParentId',
-  };
-}
-
diff --git a/mobile/test/fixtures/asset.stub.dart b/mobile/test/fixtures/asset.stub.dart
index b173dd2ac5..26108d63b2 100644
--- a/mobile/test/fixtures/asset.stub.dart
+++ b/mobile/test/fixtures/asset.stub.dart
@@ -17,7 +17,6 @@ final class AssetStub {
     isFavorite: true,
     isArchived: false,
     isTrashed: false,
-    stackCount: 0,
   );
 
   static final image2 = Asset(
@@ -34,6 +33,5 @@ final class AssetStub {
     isFavorite: false,
     isArchived: false,
     isTrashed: false,
-    stackCount: 0,
   );
 }
diff --git a/mobile/test/modules/extensions/asset_extensions_test.dart b/mobile/test/modules/extensions/asset_extensions_test.dart
index b90879acc7..d2b9b93d62 100644
--- a/mobile/test/modules/extensions/asset_extensions_test.dart
+++ b/mobile/test/modules/extensions/asset_extensions_test.dart
@@ -34,7 +34,6 @@ Asset makeAsset({
     isFavorite: false,
     isArchived: false,
     isTrashed: false,
-    stackCount: 0,
     exifInfo: exifInfo,
   );
 }
diff --git a/mobile/test/modules/home/asset_grid_data_structure_test.dart b/mobile/test/modules/home/asset_grid_data_structure_test.dart
index f12b9b2190..b4ee851969 100644
--- a/mobile/test/modules/home/asset_grid_data_structure_test.dart
+++ b/mobile/test/modules/home/asset_grid_data_structure_test.dart
@@ -25,7 +25,6 @@ void main() {
         isFavorite: false,
         isArchived: false,
         isTrashed: false,
-        stackCount: 0,
       ),
     );
   }
diff --git a/mobile/test/modules/shared/sync_service_test.dart b/mobile/test/modules/shared/sync_service_test.dart
index 24f0c443ba..07437289be 100644
--- a/mobile/test/modules/shared/sync_service_test.dart
+++ b/mobile/test/modules/shared/sync_service_test.dart
@@ -32,7 +32,6 @@ void main() {
       isFavorite: false,
       isArchived: false,
       isTrashed: false,
-      stackCount: 0,
     );
   }
 
diff --git a/open-api/immich-openapi-specs.json b/open-api/immich-openapi-specs.json
index 0d0793c263..a9b08fc400 100644
--- a/open-api/immich-openapi-specs.json
+++ b/open-api/immich-openapi-specs.json
@@ -1689,41 +1689,6 @@
         ]
       }
     },
-    "/assets/stack/parent": {
-      "put": {
-        "operationId": "updateStackParent",
-        "parameters": [],
-        "requestBody": {
-          "content": {
-            "application/json": {
-              "schema": {
-                "$ref": "#/components/schemas/UpdateStackParentDto"
-              }
-            }
-          },
-          "required": true
-        },
-        "responses": {
-          "200": {
-            "description": ""
-          }
-        },
-        "security": [
-          {
-            "bearer": []
-          },
-          {
-            "cookie": []
-          },
-          {
-            "api_key": []
-          }
-        ],
-        "tags": [
-          "Assets"
-        ]
-      }
-    },
     "/assets/statistics": {
       "get": {
         "operationId": "getAssetStatistics",
@@ -5655,6 +5620,248 @@
         ]
       }
     },
+    "/stacks": {
+      "delete": {
+        "operationId": "deleteStacks",
+        "parameters": [],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/BulkIdsDto"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "204": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          },
+          {
+            "cookie": []
+          },
+          {
+            "api_key": []
+          }
+        ],
+        "tags": [
+          "Stacks"
+        ]
+      },
+      "get": {
+        "operationId": "searchStacks",
+        "parameters": [
+          {
+            "name": "primaryAssetId",
+            "required": false,
+            "in": "query",
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "items": {
+                    "$ref": "#/components/schemas/StackResponseDto"
+                  },
+                  "type": "array"
+                }
+              }
+            },
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          },
+          {
+            "cookie": []
+          },
+          {
+            "api_key": []
+          }
+        ],
+        "tags": [
+          "Stacks"
+        ]
+      },
+      "post": {
+        "operationId": "createStack",
+        "parameters": [],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/StackCreateDto"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "201": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/StackResponseDto"
+                }
+              }
+            },
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          },
+          {
+            "cookie": []
+          },
+          {
+            "api_key": []
+          }
+        ],
+        "tags": [
+          "Stacks"
+        ]
+      }
+    },
+    "/stacks/{id}": {
+      "delete": {
+        "operationId": "deleteStack",
+        "parameters": [
+          {
+            "name": "id",
+            "required": true,
+            "in": "path",
+            "schema": {
+              "format": "uuid",
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "204": {
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          },
+          {
+            "cookie": []
+          },
+          {
+            "api_key": []
+          }
+        ],
+        "tags": [
+          "Stacks"
+        ]
+      },
+      "get": {
+        "operationId": "getStack",
+        "parameters": [
+          {
+            "name": "id",
+            "required": true,
+            "in": "path",
+            "schema": {
+              "format": "uuid",
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/StackResponseDto"
+                }
+              }
+            },
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          },
+          {
+            "cookie": []
+          },
+          {
+            "api_key": []
+          }
+        ],
+        "tags": [
+          "Stacks"
+        ]
+      },
+      "put": {
+        "operationId": "updateStack",
+        "parameters": [
+          {
+            "name": "id",
+            "required": true,
+            "in": "path",
+            "schema": {
+              "format": "uuid",
+              "type": "string"
+            }
+          }
+        ],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/StackUpdateDto"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/StackResponseDto"
+                }
+              }
+            },
+            "description": ""
+          }
+        },
+        "security": [
+          {
+            "bearer": []
+          },
+          {
+            "cookie": []
+          },
+          {
+            "api_key": []
+          }
+        ],
+        "tags": [
+          "Stacks"
+        ]
+      }
+    },
     "/sync/delta-sync": {
       "post": {
         "operationId": "getDeltaSync",
@@ -7570,13 +7777,6 @@
             "maximum": 5,
             "minimum": 0,
             "type": "number"
-          },
-          "removeParent": {
-            "type": "boolean"
-          },
-          "stackParentId": {
-            "format": "uuid",
-            "type": "string"
           }
         },
         "required": [
@@ -8117,18 +8317,12 @@
             "$ref": "#/components/schemas/SmartInfoResponseDto"
           },
           "stack": {
-            "items": {
-              "$ref": "#/components/schemas/AssetResponseDto"
-            },
-            "type": "array"
-          },
-          "stackCount": {
-            "nullable": true,
-            "type": "integer"
-          },
-          "stackParentId": {
-            "nullable": true,
-            "type": "string"
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/AssetStackResponseDto"
+              }
+            ],
+            "nullable": true
           },
           "tags": {
             "items": {
@@ -8172,13 +8366,31 @@
           "originalPath",
           "ownerId",
           "resized",
-          "stackCount",
           "thumbhash",
           "type",
           "updatedAt"
         ],
         "type": "object"
       },
+      "AssetStackResponseDto": {
+        "properties": {
+          "assetCount": {
+            "type": "integer"
+          },
+          "id": {
+            "type": "string"
+          },
+          "primaryAssetId": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "assetCount",
+          "id",
+          "primaryAssetId"
+        ],
+        "type": "object"
+      },
       "AssetStatsResponseDto": {
         "properties": {
           "images": {
@@ -9806,6 +10018,10 @@
           "sharedLink.read",
           "sharedLink.update",
           "sharedLink.delete",
+          "stack.create",
+          "stack.read",
+          "stack.update",
+          "stack.delete",
           "systemConfig.read",
           "systemConfig.update",
           "systemMetadata.read",
@@ -10882,6 +11098,53 @@
         ],
         "type": "object"
       },
+      "StackCreateDto": {
+        "properties": {
+          "assetIds": {
+            "description": "first asset becomes the primary",
+            "items": {
+              "format": "uuid",
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "assetIds"
+        ],
+        "type": "object"
+      },
+      "StackResponseDto": {
+        "properties": {
+          "assets": {
+            "items": {
+              "$ref": "#/components/schemas/AssetResponseDto"
+            },
+            "type": "array"
+          },
+          "id": {
+            "type": "string"
+          },
+          "primaryAssetId": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "assets",
+          "id",
+          "primaryAssetId"
+        ],
+        "type": "object"
+      },
+      "StackUpdateDto": {
+        "properties": {
+          "primaryAssetId": {
+            "format": "uuid",
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
       "SystemConfigDto": {
         "properties": {
           "ffmpeg": {
@@ -11735,23 +11998,6 @@
         ],
         "type": "object"
       },
-      "UpdateStackParentDto": {
-        "properties": {
-          "newParentId": {
-            "format": "uuid",
-            "type": "string"
-          },
-          "oldParentId": {
-            "format": "uuid",
-            "type": "string"
-          }
-        },
-        "required": [
-          "newParentId",
-          "oldParentId"
-        ],
-        "type": "object"
-      },
       "UpdateTagDto": {
         "properties": {
           "name": {
diff --git a/open-api/typescript-sdk/src/fetch-client.ts b/open-api/typescript-sdk/src/fetch-client.ts
index 89e0360368..8b503821f7 100644
--- a/open-api/typescript-sdk/src/fetch-client.ts
+++ b/open-api/typescript-sdk/src/fetch-client.ts
@@ -192,6 +192,11 @@ export type SmartInfoResponseDto = {
     objects?: string[] | null;
     tags?: string[] | null;
 };
+export type AssetStackResponseDto = {
+    assetCount: number;
+    id: string;
+    primaryAssetId: string;
+};
 export type TagResponseDto = {
     id: string;
     name: string;
@@ -226,9 +231,7 @@ export type AssetResponseDto = {
     people?: PersonWithFacesResponseDto[];
     resized: boolean;
     smartInfo?: SmartInfoResponseDto;
-    stack?: AssetResponseDto[];
-    stackCount: number | null;
-    stackParentId?: string | null;
+    stack?: (AssetStackResponseDto) | null;
     tags?: TagResponseDto[];
     thumbhash: string | null;
     "type": AssetTypeEnum;
@@ -344,8 +347,6 @@ export type AssetBulkUpdateDto = {
     latitude?: number;
     longitude?: number;
     rating?: number;
-    removeParent?: boolean;
-    stackParentId?: string;
 };
 export type AssetBulkUploadCheckItem = {
     /** base64 or hex encoded sha1 hash */
@@ -379,10 +380,6 @@ export type MemoryLaneResponseDto = {
     assets: AssetResponseDto[];
     yearsAgo: number;
 };
-export type UpdateStackParentDto = {
-    newParentId: string;
-    oldParentId: string;
-};
 export type AssetStatsResponseDto = {
     images: number;
     total: number;
@@ -973,6 +970,18 @@ export type AssetIdsResponseDto = {
     error?: Error2;
     success: boolean;
 };
+export type StackResponseDto = {
+    assets: AssetResponseDto[];
+    id: string;
+    primaryAssetId: string;
+};
+export type StackCreateDto = {
+    /** first asset becomes the primary */
+    assetIds: string[];
+};
+export type StackUpdateDto = {
+    primaryAssetId?: string;
+};
 export type AssetDeltaSyncDto = {
     updatedAfter: string;
     userIds: string[];
@@ -1632,15 +1641,6 @@ export function getRandom({ count }: {
         ...opts
     }));
 }
-export function updateStackParent({ updateStackParentDto }: {
-    updateStackParentDto: UpdateStackParentDto;
-}, opts?: Oazapfts.RequestOpts) {
-    return oazapfts.ok(oazapfts.fetchText("/assets/stack/parent", oazapfts.json({
-        ...opts,
-        method: "PUT",
-        body: updateStackParentDto
-    })));
-}
 export function getAssetStatistics({ isArchived, isFavorite, isTrashed }: {
     isArchived?: boolean;
     isFavorite?: boolean;
@@ -2706,6 +2706,70 @@ export function addSharedLinkAssets({ id, key, assetIdsDto }: {
         body: assetIdsDto
     })));
 }
+export function deleteStacks({ bulkIdsDto }: {
+    bulkIdsDto: BulkIdsDto;
+}, opts?: Oazapfts.RequestOpts) {
+    return oazapfts.ok(oazapfts.fetchText("/stacks", oazapfts.json({
+        ...opts,
+        method: "DELETE",
+        body: bulkIdsDto
+    })));
+}
+export function searchStacks({ primaryAssetId }: {
+    primaryAssetId?: string;
+}, opts?: Oazapfts.RequestOpts) {
+    return oazapfts.ok(oazapfts.fetchJson<{
+        status: 200;
+        data: StackResponseDto[];
+    }>(`/stacks${QS.query(QS.explode({
+        primaryAssetId
+    }))}`, {
+        ...opts
+    }));
+}
+export function createStack({ stackCreateDto }: {
+    stackCreateDto: StackCreateDto;
+}, opts?: Oazapfts.RequestOpts) {
+    return oazapfts.ok(oazapfts.fetchJson<{
+        status: 201;
+        data: StackResponseDto;
+    }>("/stacks", oazapfts.json({
+        ...opts,
+        method: "POST",
+        body: stackCreateDto
+    })));
+}
+export function deleteStack({ id }: {
+    id: string;
+}, opts?: Oazapfts.RequestOpts) {
+    return oazapfts.ok(oazapfts.fetchText(`/stacks/${encodeURIComponent(id)}`, {
+        ...opts,
+        method: "DELETE"
+    }));
+}
+export function getStack({ id }: {
+    id: string;
+}, opts?: Oazapfts.RequestOpts) {
+    return oazapfts.ok(oazapfts.fetchJson<{
+        status: 200;
+        data: StackResponseDto;
+    }>(`/stacks/${encodeURIComponent(id)}`, {
+        ...opts
+    }));
+}
+export function updateStack({ id, stackUpdateDto }: {
+    id: string;
+    stackUpdateDto: StackUpdateDto;
+}, opts?: Oazapfts.RequestOpts) {
+    return oazapfts.ok(oazapfts.fetchJson<{
+        status: 200;
+        data: StackResponseDto;
+    }>(`/stacks/${encodeURIComponent(id)}`, oazapfts.json({
+        ...opts,
+        method: "PUT",
+        body: stackUpdateDto
+    })));
+}
 export function getDeltaSync({ assetDeltaSyncDto }: {
     assetDeltaSyncDto: AssetDeltaSyncDto;
 }, opts?: Oazapfts.RequestOpts) {
@@ -3187,6 +3251,10 @@ export enum Permission {
     SharedLinkRead = "sharedLink.read",
     SharedLinkUpdate = "sharedLink.update",
     SharedLinkDelete = "sharedLink.delete",
+    StackCreate = "stack.create",
+    StackRead = "stack.read",
+    StackUpdate = "stack.update",
+    StackDelete = "stack.delete",
     SystemConfigRead = "systemConfig.read",
     SystemConfigUpdate = "systemConfig.update",
     SystemMetadataRead = "systemMetadata.read",
diff --git a/server/src/controllers/asset.controller.ts b/server/src/controllers/asset.controller.ts
index 8c70bed166..f275aa7242 100644
--- a/server/src/controllers/asset.controller.ts
+++ b/server/src/controllers/asset.controller.ts
@@ -13,7 +13,6 @@ import {
 } from 'src/dtos/asset.dto';
 import { AuthDto } from 'src/dtos/auth.dto';
 import { MemoryLaneDto } from 'src/dtos/search.dto';
-import { UpdateStackParentDto } from 'src/dtos/stack.dto';
 import { Auth, Authenticated } from 'src/middleware/auth.guard';
 import { Route } from 'src/middleware/file-upload.interceptor';
 import { AssetService } from 'src/services/asset.service';
@@ -72,13 +71,6 @@ export class AssetController {
     return this.service.deleteAll(auth, dto);
   }
 
-  @Put('stack/parent')
-  @HttpCode(HttpStatus.OK)
-  @Authenticated()
-  updateStackParent(@Auth() auth: AuthDto, @Body() dto: UpdateStackParentDto): Promise<void> {
-    return this.service.updateStackParent(auth, dto);
-  }
-
   @Get(':id')
   @Authenticated({ sharedLink: true })
   getAssetInfo(@Auth() auth: AuthDto, @Param() { id }: UUIDParamDto): Promise<AssetResponseDto> {
diff --git a/server/src/controllers/index.ts b/server/src/controllers/index.ts
index 9675cf6d3b..3a832c1a1b 100644
--- a/server/src/controllers/index.ts
+++ b/server/src/controllers/index.ts
@@ -23,6 +23,7 @@ import { ServerInfoController } from 'src/controllers/server-info.controller';
 import { ServerController } from 'src/controllers/server.controller';
 import { SessionController } from 'src/controllers/session.controller';
 import { SharedLinkController } from 'src/controllers/shared-link.controller';
+import { StackController } from 'src/controllers/stack.controller';
 import { SyncController } from 'src/controllers/sync.controller';
 import { SystemConfigController } from 'src/controllers/system-config.controller';
 import { SystemMetadataController } from 'src/controllers/system-metadata.controller';
@@ -58,6 +59,7 @@ export const controllers = [
   ServerInfoController,
   SessionController,
   SharedLinkController,
+  StackController,
   SyncController,
   SystemConfigController,
   SystemMetadataController,
diff --git a/server/src/controllers/stack.controller.ts b/server/src/controllers/stack.controller.ts
new file mode 100644
index 0000000000..184fa96b38
--- /dev/null
+++ b/server/src/controllers/stack.controller.ts
@@ -0,0 +1,57 @@
+import { Body, Controller, Delete, Get, HttpCode, HttpStatus, Param, Post, Put, Query } from '@nestjs/common';
+import { ApiTags } from '@nestjs/swagger';
+import { BulkIdsDto } from 'src/dtos/asset-ids.response.dto';
+import { AuthDto } from 'src/dtos/auth.dto';
+import { StackCreateDto, StackResponseDto, StackSearchDto, StackUpdateDto } from 'src/dtos/stack.dto';
+import { Permission } from 'src/enum';
+import { Auth, Authenticated } from 'src/middleware/auth.guard';
+import { StackService } from 'src/services/stack.service';
+import { UUIDParamDto } from 'src/validation';
+
+@ApiTags('Stacks')
+@Controller('stacks')
+export class StackController {
+  constructor(private service: StackService) {}
+
+  @Get()
+  @Authenticated({ permission: Permission.STACK_READ })
+  searchStacks(@Auth() auth: AuthDto, @Query() query: StackSearchDto): Promise<StackResponseDto[]> {
+    return this.service.search(auth, query);
+  }
+
+  @Post()
+  @Authenticated({ permission: Permission.STACK_CREATE })
+  createStack(@Auth() auth: AuthDto, @Body() dto: StackCreateDto): Promise<StackResponseDto> {
+    return this.service.create(auth, dto);
+  }
+
+  @Delete()
+  @HttpCode(HttpStatus.NO_CONTENT)
+  @Authenticated({ permission: Permission.STACK_DELETE })
+  deleteStacks(@Auth() auth: AuthDto, @Body() dto: BulkIdsDto): Promise<void> {
+    return this.service.deleteAll(auth, dto);
+  }
+
+  @Get(':id')
+  @Authenticated({ permission: Permission.STACK_READ })
+  getStack(@Auth() auth: AuthDto, @Param() { id }: UUIDParamDto): Promise<StackResponseDto> {
+    return this.service.get(auth, id);
+  }
+
+  @Put(':id')
+  @Authenticated({ permission: Permission.STACK_UPDATE })
+  updateStack(
+    @Auth() auth: AuthDto,
+    @Param() { id }: UUIDParamDto,
+    @Body() dto: StackUpdateDto,
+  ): Promise<StackResponseDto> {
+    return this.service.update(auth, id, dto);
+  }
+
+  @Delete(':id')
+  @HttpCode(HttpStatus.NO_CONTENT)
+  @Authenticated({ permission: Permission.STACK_DELETE })
+  deleteStack(@Auth() auth: AuthDto, @Param() { id }: UUIDParamDto): Promise<void> {
+    return this.service.delete(auth, id);
+  }
+}
diff --git a/server/src/cores/access.core.ts b/server/src/cores/access.core.ts
index b8ba88b59d..f0050b3947 100644
--- a/server/src/cores/access.core.ts
+++ b/server/src/cores/access.core.ts
@@ -292,6 +292,18 @@ export class AccessCore {
         return await this.repository.partner.checkUpdateAccess(auth.user.id, ids);
       }
 
+      case Permission.STACK_READ: {
+        return this.repository.stack.checkOwnerAccess(auth.user.id, ids);
+      }
+
+      case Permission.STACK_UPDATE: {
+        return this.repository.stack.checkOwnerAccess(auth.user.id, ids);
+      }
+
+      case Permission.STACK_DELETE: {
+        return this.repository.stack.checkOwnerAccess(auth.user.id, ids);
+      }
+
       default: {
         return new Set();
       }
diff --git a/server/src/dtos/asset-response.dto.ts b/server/src/dtos/asset-response.dto.ts
index 4238fd3490..6ed1125253 100644
--- a/server/src/dtos/asset-response.dto.ts
+++ b/server/src/dtos/asset-response.dto.ts
@@ -52,13 +52,19 @@ export class AssetResponseDto extends SanitizedAssetResponseDto {
   unassignedFaces?: AssetFaceWithoutPersonResponseDto[];
   /**base64 encoded sha1 hash */
   checksum!: string;
-  stackParentId?: string | null;
-  stack?: AssetResponseDto[];
-  @ApiProperty({ type: 'integer' })
-  stackCount!: number | null;
+  stack?: AssetStackResponseDto | null;
   duplicateId?: string | null;
 }
 
+export class AssetStackResponseDto {
+  id!: string;
+
+  primaryAssetId!: string;
+
+  @ApiProperty({ type: 'integer' })
+  assetCount!: number;
+}
+
 export type AssetMapOptions = {
   stripMetadata?: boolean;
   withStack?: boolean;
@@ -83,6 +89,18 @@ const peopleWithFaces = (faces: AssetFaceEntity[]): PersonWithFacesResponseDto[]
   return result;
 };
 
+const mapStack = (entity: AssetEntity) => {
+  if (!entity.stack) {
+    return null;
+  }
+
+  return {
+    id: entity.stack.id,
+    primaryAssetId: entity.stack.primaryAssetId,
+    assetCount: entity.stack.assetCount ?? entity.stack.assets.length,
+  };
+};
+
 export function mapAsset(entity: AssetEntity, options: AssetMapOptions = {}): AssetResponseDto {
   const { stripMetadata = false, withStack = false } = options;
 
@@ -129,13 +147,7 @@ export function mapAsset(entity: AssetEntity, options: AssetMapOptions = {}): As
     people: peopleWithFaces(entity.faces),
     unassignedFaces: entity.faces?.filter((face) => !face.person).map((a) => mapFacesWithoutPerson(a)),
     checksum: entity.checksum.toString('base64'),
-    stackParentId: withStack ? entity.stack?.primaryAssetId : undefined,
-    stack: withStack
-      ? entity.stack?.assets
-          ?.filter((a) => a.id !== entity.stack?.primaryAssetId)
-          ?.map((a) => mapAsset(a, { stripMetadata, auth: options.auth }))
-      : undefined,
-    stackCount: entity.stack?.assetCount ?? entity.stack?.assets?.length ?? null,
+    stack: withStack ? mapStack(entity) : undefined,
     isOffline: entity.isOffline,
     hasMetadata: true,
     duplicateId: entity.duplicateId,
diff --git a/server/src/dtos/asset.dto.ts b/server/src/dtos/asset.dto.ts
index 9bc007543a..5a2fdb5120 100644
--- a/server/src/dtos/asset.dto.ts
+++ b/server/src/dtos/asset.dto.ts
@@ -60,12 +60,6 @@ export class AssetBulkUpdateDto extends UpdateAssetBase {
   @ValidateUUID({ each: true })
   ids!: string[];
 
-  @ValidateUUID({ optional: true })
-  stackParentId?: string;
-
-  @ValidateBoolean({ optional: true })
-  removeParent?: boolean;
-
   @Optional()
   duplicateId?: string | null;
 }
diff --git a/server/src/dtos/stack.dto.ts b/server/src/dtos/stack.dto.ts
index 3ff04ee5ed..3b867b02fe 100644
--- a/server/src/dtos/stack.dto.ts
+++ b/server/src/dtos/stack.dto.ts
@@ -1,9 +1,38 @@
+import { ArrayMinSize } from 'class-validator';
+import { AssetResponseDto, mapAsset } from 'src/dtos/asset-response.dto';
+import { AuthDto } from 'src/dtos/auth.dto';
+import { StackEntity } from 'src/entities/stack.entity';
 import { ValidateUUID } from 'src/validation';
 
-export class UpdateStackParentDto {
-  @ValidateUUID()
-  oldParentId!: string;
-
-  @ValidateUUID()
-  newParentId!: string;
+export class StackCreateDto {
+  /** first asset becomes the primary */
+  @ValidateUUID({ each: true })
+  @ArrayMinSize(2)
+  assetIds!: string[];
 }
+
+export class StackSearchDto {
+  primaryAssetId?: string;
+}
+
+export class StackUpdateDto {
+  @ValidateUUID({ optional: true })
+  primaryAssetId?: string;
+}
+
+export class StackResponseDto {
+  id!: string;
+  primaryAssetId!: string;
+  assets!: AssetResponseDto[];
+}
+
+export const mapStack = (stack: StackEntity, { auth }: { auth?: AuthDto }) => {
+  const primary = stack.assets.filter((asset) => asset.id === stack.primaryAssetId);
+  const others = stack.assets.filter((asset) => asset.id !== stack.primaryAssetId);
+
+  return {
+    id: stack.id,
+    primaryAssetId: stack.primaryAssetId,
+    assets: [...primary, ...others].map((asset) => mapAsset(asset, { auth })),
+  };
+};
diff --git a/server/src/enum.ts b/server/src/enum.ts
index da4b2d76fc..4a81d54218 100644
--- a/server/src/enum.ts
+++ b/server/src/enum.ts
@@ -107,6 +107,11 @@ export enum Permission {
   SHARED_LINK_UPDATE = 'sharedLink.update',
   SHARED_LINK_DELETE = 'sharedLink.delete',
 
+  STACK_CREATE = 'stack.create',
+  STACK_READ = 'stack.read',
+  STACK_UPDATE = 'stack.update',
+  STACK_DELETE = 'stack.delete',
+
   SYSTEM_CONFIG_READ = 'systemConfig.read',
   SYSTEM_CONFIG_UPDATE = 'systemConfig.update',
 
diff --git a/server/src/interfaces/access.interface.ts b/server/src/interfaces/access.interface.ts
index cf5ebbd005..2dcf9d6b94 100644
--- a/server/src/interfaces/access.interface.ts
+++ b/server/src/interfaces/access.interface.ts
@@ -42,4 +42,8 @@ export interface IAccessRepository {
   partner: {
     checkUpdateAccess(userId: string, partnerIds: Set<string>): Promise<Set<string>>;
   };
+
+  stack: {
+    checkOwnerAccess(userId: string, stackIds: Set<string>): Promise<Set<string>>;
+  };
 }
diff --git a/server/src/interfaces/stack.interface.ts b/server/src/interfaces/stack.interface.ts
index 0e6baf0a34..378f63fd95 100644
--- a/server/src/interfaces/stack.interface.ts
+++ b/server/src/interfaces/stack.interface.ts
@@ -2,9 +2,16 @@ import { StackEntity } from 'src/entities/stack.entity';
 
 export const IStackRepository = 'IStackRepository';
 
+export interface StackSearch {
+  ownerId: string;
+  primaryAssetId?: string;
+}
+
 export interface IStackRepository {
-  create(stack: Partial<StackEntity> & { ownerId: string }): Promise<StackEntity>;
+  search(query: StackSearch): Promise<StackEntity[]>;
+  create(stack: { ownerId: string; assetIds: string[] }): Promise<StackEntity>;
   update(stack: Pick<StackEntity, 'id'> & Partial<StackEntity>): Promise<StackEntity>;
   delete(id: string): Promise<void>;
+  deleteAll(ids: string[]): Promise<void>;
   getById(id: string): Promise<StackEntity | null>;
 }
diff --git a/server/src/queries/access.repository.sql b/server/src/queries/access.repository.sql
index ffe4b6413f..48a93f546b 100644
--- a/server/src/queries/access.repository.sql
+++ b/server/src/queries/access.repository.sql
@@ -248,6 +248,17 @@ WHERE
   "partner"."sharedById" IN ($1)
   AND "partner"."sharedWithId" = $2
 
+-- AccessRepository.stack.checkOwnerAccess
+SELECT
+  "StackEntity"."id" AS "StackEntity_id"
+FROM
+  "asset_stack" "StackEntity"
+WHERE
+  (
+    ("StackEntity"."id" IN ($1))
+    AND ("StackEntity"."ownerId" = $2)
+  )
+
 -- AccessRepository.timeline.checkPartnerAccess
 SELECT
   "partner"."sharedById" AS "partner_sharedById",
diff --git a/server/src/repositories/access.repository.ts b/server/src/repositories/access.repository.ts
index 438424ab78..6dd6d47a46 100644
--- a/server/src/repositories/access.repository.ts
+++ b/server/src/repositories/access.repository.ts
@@ -11,6 +11,7 @@ import { PartnerEntity } from 'src/entities/partner.entity';
 import { PersonEntity } from 'src/entities/person.entity';
 import { SessionEntity } from 'src/entities/session.entity';
 import { SharedLinkEntity } from 'src/entities/shared-link.entity';
+import { StackEntity } from 'src/entities/stack.entity';
 import { AlbumUserRole } from 'src/enum';
 import { IAccessRepository } from 'src/interfaces/access.interface';
 import { Instrumentation } from 'src/utils/instrumentation';
@@ -20,10 +21,11 @@ type IActivityAccess = IAccessRepository['activity'];
 type IAlbumAccess = IAccessRepository['album'];
 type IAssetAccess = IAccessRepository['asset'];
 type IAuthDeviceAccess = IAccessRepository['authDevice'];
-type ITimelineAccess = IAccessRepository['timeline'];
 type IMemoryAccess = IAccessRepository['memory'];
 type IPersonAccess = IAccessRepository['person'];
 type IPartnerAccess = IAccessRepository['partner'];
+type IStackAccess = IAccessRepository['stack'];
+type ITimelineAccess = IAccessRepository['timeline'];
 
 @Instrumentation()
 @Injectable()
@@ -313,6 +315,28 @@ class AuthDeviceAccess implements IAuthDeviceAccess {
   }
 }
 
+class StackAccess implements IStackAccess {
+  constructor(private stackRepository: Repository<StackEntity>) {}
+
+  @GenerateSql({ params: [DummyValue.UUID, DummyValue.UUID_SET] })
+  @ChunkedSet({ paramIndex: 1 })
+  async checkOwnerAccess(userId: string, stackIds: Set<string>): Promise<Set<string>> {
+    if (stackIds.size === 0) {
+      return new Set();
+    }
+
+    return this.stackRepository
+      .find({
+        select: { id: true },
+        where: {
+          id: In([...stackIds]),
+          ownerId: userId,
+        },
+      })
+      .then((stacks) => new Set(stacks.map((stack) => stack.id)));
+  }
+}
+
 class TimelineAccess implements ITimelineAccess {
   constructor(private partnerRepository: Repository<PartnerEntity>) {}
 
@@ -428,6 +452,7 @@ export class AccessRepository implements IAccessRepository {
   memory: IMemoryAccess;
   person: IPersonAccess;
   partner: IPartnerAccess;
+  stack: IStackAccess;
   timeline: ITimelineAccess;
 
   constructor(
@@ -441,6 +466,7 @@ export class AccessRepository implements IAccessRepository {
     @InjectRepository(AssetFaceEntity) assetFaceRepository: Repository<AssetFaceEntity>,
     @InjectRepository(SharedLinkEntity) sharedLinkRepository: Repository<SharedLinkEntity>,
     @InjectRepository(SessionEntity) sessionRepository: Repository<SessionEntity>,
+    @InjectRepository(StackEntity) stackRepository: Repository<StackEntity>,
   ) {
     this.activity = new ActivityAccess(activityRepository, albumRepository);
     this.album = new AlbumAccess(albumRepository, sharedLinkRepository);
@@ -449,6 +475,7 @@ export class AccessRepository implements IAccessRepository {
     this.memory = new MemoryAccess(memoryRepository);
     this.person = new PersonAccess(assetFaceRepository, personRepository);
     this.partner = new PartnerAccess(partnerRepository);
+    this.stack = new StackAccess(stackRepository);
     this.timeline = new TimelineAccess(partnerRepository);
   }
 }
diff --git a/server/src/repositories/stack.repository.ts b/server/src/repositories/stack.repository.ts
index 46cc14e713..f23a1c9a9c 100644
--- a/server/src/repositories/stack.repository.ts
+++ b/server/src/repositories/stack.repository.ts
@@ -1,21 +1,120 @@
 import { Injectable } from '@nestjs/common';
-import { InjectRepository } from '@nestjs/typeorm';
+import { InjectDataSource, InjectRepository } from '@nestjs/typeorm';
+import { AssetEntity } from 'src/entities/asset.entity';
 import { StackEntity } from 'src/entities/stack.entity';
-import { IStackRepository } from 'src/interfaces/stack.interface';
+import { IStackRepository, StackSearch } from 'src/interfaces/stack.interface';
 import { Instrumentation } from 'src/utils/instrumentation';
-import { Repository } from 'typeorm';
+import { DataSource, In, Repository } from 'typeorm';
 
 @Instrumentation()
 @Injectable()
 export class StackRepository implements IStackRepository {
-  constructor(@InjectRepository(StackEntity) private repository: Repository<StackEntity>) {}
+  constructor(
+    @InjectDataSource() private dataSource: DataSource,
+    @InjectRepository(StackEntity) private repository: Repository<StackEntity>,
+  ) {}
 
-  create(entity: Partial<StackEntity>) {
-    return this.save(entity);
+  search(query: StackSearch): Promise<StackEntity[]> {
+    return this.repository.find({
+      where: {
+        ownerId: query.ownerId,
+        primaryAssetId: query.primaryAssetId,
+      },
+      relations: {
+        assets: {
+          exifInfo: true,
+        },
+      },
+    });
+  }
+
+  async create(entity: { ownerId: string; assetIds: string[] }): Promise<StackEntity> {
+    return this.dataSource.manager.transaction(async (manager) => {
+      const stackRepository = manager.getRepository(StackEntity);
+
+      const stacks = await stackRepository.find({
+        where: {
+          ownerId: entity.ownerId,
+          primaryAssetId: In(entity.assetIds),
+        },
+        select: {
+          id: true,
+          assets: {
+            id: true,
+          },
+        },
+        relations: {
+          assets: {
+            exifInfo: true,
+          },
+        },
+      });
+
+      const assetIds = new Set<string>(entity.assetIds);
+
+      // children
+      for (const stack of stacks) {
+        for (const asset of stack.assets) {
+          assetIds.add(asset.id);
+        }
+      }
+
+      if (stacks.length > 0) {
+        await stackRepository.delete({ id: In(stacks.map((stack) => stack.id)) });
+      }
+
+      const { id } = await stackRepository.save({
+        ownerId: entity.ownerId,
+        primaryAssetId: entity.assetIds[0],
+        assets: [...assetIds].map((id) => ({ id }) as AssetEntity),
+      });
+
+      return stackRepository.findOneOrFail({
+        where: {
+          id,
+        },
+        relations: {
+          assets: {
+            exifInfo: true,
+          },
+        },
+      });
+    });
   }
 
   async delete(id: string): Promise<void> {
+    const stack = await this.getById(id);
+    if (!stack) {
+      return;
+    }
+
+    const assetIds = stack.assets.map(({ id }) => id);
+
     await this.repository.delete(id);
+
+    // Update assets updatedAt
+    await this.dataSource.manager.update(AssetEntity, assetIds, {
+      updatedAt: new Date(),
+    });
+  }
+
+  async deleteAll(ids: string[]): Promise<void> {
+    const assetIds = [];
+    for (const id of ids) {
+      const stack = await this.getById(id);
+      if (!stack) {
+        continue;
+      }
+
+      assetIds.push(...stack.assets.map(({ id }) => id));
+    }
+
+    await this.repository.delete(ids);
+
+    // Update assets updatedAt
+    await this.dataSource.manager.update(AssetEntity, assetIds, {
+      updatedAt: new Date(),
+    });
   }
 
   update(entity: Partial<StackEntity>) {
@@ -28,8 +127,14 @@ export class StackRepository implements IStackRepository {
         id,
       },
       relations: {
-        primaryAsset: true,
-        assets: true,
+        assets: {
+          exifInfo: true,
+        },
+      },
+      order: {
+        assets: {
+          fileCreatedAt: 'ASC',
+        },
       },
     });
   }
@@ -41,8 +146,14 @@ export class StackRepository implements IStackRepository {
         id,
       },
       relations: {
-        primaryAsset: true,
-        assets: true,
+        assets: {
+          exifInfo: true,
+        },
+      },
+      order: {
+        assets: {
+          fileCreatedAt: 'ASC',
+        },
       },
     });
   }
diff --git a/server/src/services/asset.service.spec.ts b/server/src/services/asset.service.spec.ts
index 95a80ab4da..f79b2819ff 100755
--- a/server/src/services/asset.service.spec.ts
+++ b/server/src/services/asset.service.spec.ts
@@ -4,7 +4,7 @@ import { AssetJobName, AssetStatsResponseDto } from 'src/dtos/asset.dto';
 import { AssetEntity } from 'src/entities/asset.entity';
 import { AssetType } from 'src/enum';
 import { AssetStats, IAssetRepository } from 'src/interfaces/asset.interface';
-import { ClientEvent, IEventRepository } from 'src/interfaces/event.interface';
+import { IEventRepository } from 'src/interfaces/event.interface';
 import { IJobRepository, JobName } from 'src/interfaces/job.interface';
 import { ILoggerRepository } from 'src/interfaces/logger.interface';
 import { IPartnerRepository } from 'src/interfaces/partner.interface';
@@ -12,7 +12,7 @@ import { IStackRepository } from 'src/interfaces/stack.interface';
 import { ISystemMetadataRepository } from 'src/interfaces/system-metadata.interface';
 import { IUserRepository } from 'src/interfaces/user.interface';
 import { AssetService } from 'src/services/asset.service';
-import { assetStub, stackStub } from 'test/fixtures/asset.stub';
+import { assetStub } from 'test/fixtures/asset.stub';
 import { authStub } from 'test/fixtures/auth.stub';
 import { faceStub } from 'test/fixtures/face.stub';
 import { partnerStub } from 'test/fixtures/partner.stub';
@@ -253,134 +253,6 @@ describe(AssetService.name, () => {
       await sut.updateAll(authStub.admin, { ids: ['asset-1', 'asset-2'], isArchived: true });
       expect(assetMock.updateAll).toHaveBeenCalledWith(['asset-1', 'asset-2'], { isArchived: true });
     });
-
-    /// Stack related
-
-    it('should require asset update access for parent', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValue(new Set(['asset-1']));
-      await expect(
-        sut.updateAll(authStub.user1, {
-          ids: ['asset-1'],
-          stackParentId: 'parent',
-        }),
-      ).rejects.toBeInstanceOf(BadRequestException);
-    });
-
-    it('should update parent asset updatedAt when children are added', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValue(new Set(['parent']));
-      mockGetById([{ ...assetStub.image, id: 'parent' }]);
-      await sut.updateAll(authStub.user1, {
-        ids: [],
-        stackParentId: 'parent',
-      });
-      expect(assetMock.updateAll).toHaveBeenCalledWith(['parent'], { updatedAt: expect.any(Date) });
-    });
-
-    it('should update parent asset when children are removed', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValue(new Set(['child-1']));
-      assetMock.getByIds.mockResolvedValue([
-        {
-          id: 'child-1',
-          stackId: 'stack-1',
-          stack: stackStub('stack-1', [{ id: 'parent' } as AssetEntity, { id: 'child-1' } as AssetEntity]),
-        } as AssetEntity,
-      ]);
-      stackMock.getById.mockResolvedValue(stackStub('stack-1', [{ id: 'parent' } as AssetEntity]));
-
-      await sut.updateAll(authStub.user1, {
-        ids: ['child-1'],
-        removeParent: true,
-      });
-      expect(assetMock.updateAll).toHaveBeenCalledWith(expect.arrayContaining(['child-1']), { stack: null });
-      expect(assetMock.updateAll).toHaveBeenCalledWith(expect.arrayContaining(['parent']), {
-        updatedAt: expect.any(Date),
-      });
-      expect(stackMock.delete).toHaveBeenCalledWith('stack-1');
-    });
-
-    it('update parentId for new children', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set(['child-1', 'child-2']));
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set(['parent']));
-      const stack = stackStub('stack-1', [
-        { id: 'parent' } as AssetEntity,
-        { id: 'child-1' } as AssetEntity,
-        { id: 'child-2' } as AssetEntity,
-      ]);
-      assetMock.getById.mockResolvedValue({
-        id: 'child-1',
-        stack,
-      } as AssetEntity);
-
-      await sut.updateAll(authStub.user1, {
-        stackParentId: 'parent',
-        ids: ['child-1', 'child-2'],
-      });
-
-      expect(stackMock.update).toHaveBeenCalledWith({
-        ...stackStub('stack-1', [
-          { id: 'child-1' } as AssetEntity,
-          { id: 'child-2' } as AssetEntity,
-          { id: 'parent' } as AssetEntity,
-        ]),
-        primaryAsset: undefined,
-      });
-      expect(assetMock.updateAll).toBeCalledWith(['child-1', 'child-2', 'parent'], { updatedAt: expect.any(Date) });
-    });
-
-    it('remove stack for removed children', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValue(new Set(['child-1', 'child-2']));
-      await sut.updateAll(authStub.user1, {
-        removeParent: true,
-        ids: ['child-1', 'child-2'],
-      });
-
-      expect(assetMock.updateAll).toBeCalledWith(['child-1', 'child-2'], { stack: null });
-    });
-
-    it('merge stacks if new child has children', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set(['child-1']));
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set(['parent']));
-      assetMock.getById.mockResolvedValue({ ...assetStub.image, id: 'parent' });
-      assetMock.getByIds.mockResolvedValue([
-        {
-          id: 'child-1',
-          stackId: 'stack-1',
-          stack: stackStub('stack-1', [{ id: 'child-1' } as AssetEntity, { id: 'child-2' } as AssetEntity]),
-        } as AssetEntity,
-      ]);
-      stackMock.getById.mockResolvedValue(stackStub('stack-1', [{ id: 'parent' } as AssetEntity]));
-
-      await sut.updateAll(authStub.user1, {
-        ids: ['child-1'],
-        stackParentId: 'parent',
-      });
-
-      expect(stackMock.delete).toHaveBeenCalledWith('stack-1');
-      expect(stackMock.create).toHaveBeenCalledWith({
-        assets: [{ id: 'child-1' }, { id: 'parent' }, { id: 'child-1' }, { id: 'child-2' }],
-        ownerId: 'user-id',
-        primaryAssetId: 'parent',
-      });
-      expect(assetMock.updateAll).toBeCalledWith(['child-1', 'parent', 'child-1', 'child-2'], {
-        updatedAt: expect.any(Date),
-      });
-    });
-
-    it('should send ws asset update event', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set(['asset-1']));
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set(['parent']));
-      assetMock.getById.mockResolvedValue(assetStub.image);
-
-      await sut.updateAll(authStub.user1, {
-        ids: ['asset-1'],
-        stackParentId: 'parent',
-      });
-
-      expect(eventMock.clientSend).toHaveBeenCalledWith(ClientEvent.ASSET_STACK_UPDATE, authStub.user1.user.id, [
-        'asset-1',
-        'parent',
-      ]);
-    });
   });
 
   describe('deleteAll', () => {
@@ -530,53 +402,17 @@ describe(AssetService.name, () => {
     });
   });
 
-  describe('updateStackParent', () => {
-    it('should require asset update access for new parent', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValue(new Set(['old']));
-      await expect(
-        sut.updateStackParent(authStub.user1, {
-          oldParentId: 'old',
-          newParentId: 'new',
-        }),
-      ).rejects.toBeInstanceOf(BadRequestException);
+  describe('getUserAssetsByDeviceId', () => {
+    it('get assets by device id', async () => {
+      const assets = [assetStub.image, assetStub.image1];
+
+      assetMock.getAllByDeviceId.mockResolvedValue(assets.map((asset) => asset.deviceAssetId));
+
+      const deviceId = 'device-id';
+      const result = await sut.getUserAssetsByDeviceId(authStub.user1, deviceId);
+
+      expect(result.length).toEqual(2);
+      expect(result).toEqual(assets.map((asset) => asset.deviceAssetId));
     });
-
-    it('should require asset read access for old parent', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValue(new Set(['new']));
-      await expect(
-        sut.updateStackParent(authStub.user1, {
-          oldParentId: 'old',
-          newParentId: 'new',
-        }),
-      ).rejects.toBeInstanceOf(BadRequestException);
-    });
-
-    it('make old parent the child of new parent', async () => {
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set([assetStub.image.id]));
-      accessMock.asset.checkOwnerAccess.mockResolvedValueOnce(new Set(['new']));
-      assetMock.getById.mockResolvedValue({ ...assetStub.image, stackId: 'stack-1' });
-
-      await sut.updateStackParent(authStub.user1, {
-        oldParentId: assetStub.image.id,
-        newParentId: 'new',
-      });
-
-      expect(stackMock.update).toBeCalledWith({ id: 'stack-1', primaryAssetId: 'new' });
-      expect(assetMock.updateAll).toBeCalledWith([assetStub.image.id, 'new', assetStub.image.id], {
-        updatedAt: expect.any(Date),
-      });
-    });
-  });
-
-  it('get assets by device id', async () => {
-    const assets = [assetStub.image, assetStub.image1];
-
-    assetMock.getAllByDeviceId.mockResolvedValue(assets.map((asset) => asset.deviceAssetId));
-
-    const deviceId = 'device-id';
-    const result = await sut.getUserAssetsByDeviceId(authStub.user1, deviceId);
-
-    expect(result.length).toEqual(2);
-    expect(result).toEqual(assets.map((asset) => asset.deviceAssetId));
   });
 });
diff --git a/server/src/services/asset.service.ts b/server/src/services/asset.service.ts
index bbbc2bb407..94a3ba1603 100644
--- a/server/src/services/asset.service.ts
+++ b/server/src/services/asset.service.ts
@@ -20,7 +20,6 @@ import {
 } from 'src/dtos/asset.dto';
 import { AuthDto } from 'src/dtos/auth.dto';
 import { MemoryLaneDto } from 'src/dtos/search.dto';
-import { UpdateStackParentDto } from 'src/dtos/stack.dto';
 import { AssetEntity } from 'src/entities/asset.entity';
 import { Permission } from 'src/enum';
 import { IAccessRepository } from 'src/interfaces/access.interface';
@@ -179,68 +178,14 @@ export class AssetService {
   }
 
   async updateAll(auth: AuthDto, dto: AssetBulkUpdateDto): Promise<void> {
-    const { ids, removeParent, dateTimeOriginal, latitude, longitude, ...options } = dto;
+    const { ids, dateTimeOriginal, latitude, longitude, ...options } = dto;
     await this.access.requirePermission(auth, Permission.ASSET_UPDATE, ids);
 
-    // TODO: refactor this logic into separate API calls POST /stack, PUT /stack, etc.
-    const stackIdsToCheckForDelete: string[] = [];
-    if (removeParent) {
-      (options as Partial<AssetEntity>).stack = null;
-      const assets = await this.assetRepository.getByIds(ids, { stack: true });
-      stackIdsToCheckForDelete.push(...new Set(assets.filter((a) => !!a.stackId).map((a) => a.stackId!)));
-      // This updates the updatedAt column of the parents to indicate that one of its children is removed
-      // All the unique parent's -> parent is set to null
-      await this.assetRepository.updateAll(
-        assets.filter((a) => !!a.stack?.primaryAssetId).map((a) => a.stack!.primaryAssetId!),
-        { updatedAt: new Date() },
-      );
-    } else if (options.stackParentId) {
-      //Creating new stack if parent doesn't have one already. If it does, then we add to the existing stack
-      await this.access.requirePermission(auth, Permission.ASSET_UPDATE, options.stackParentId);
-      const primaryAsset = await this.assetRepository.getById(options.stackParentId, { stack: { assets: true } });
-      if (!primaryAsset) {
-        throw new BadRequestException('Asset not found for given stackParentId');
-      }
-      let stack = primaryAsset.stack;
-
-      ids.push(options.stackParentId);
-      const assets = await this.assetRepository.getByIds(ids, { stack: { assets: true } });
-      stackIdsToCheckForDelete.push(
-        ...new Set(assets.filter((a) => !!a.stackId && stack?.id !== a.stackId).map((a) => a.stackId!)),
-      );
-      const assetsWithChildren = assets.filter((a) => a.stack && a.stack.assets.length > 0);
-      ids.push(...assetsWithChildren.flatMap((child) => child.stack!.assets.map((gChild) => gChild.id)));
-
-      if (stack) {
-        await this.stackRepository.update({
-          id: stack.id,
-          primaryAssetId: primaryAsset.id,
-          assets: ids.map((id) => ({ id }) as AssetEntity),
-        });
-      } else {
-        stack = await this.stackRepository.create({
-          primaryAssetId: primaryAsset.id,
-          ownerId: primaryAsset.ownerId,
-          assets: ids.map((id) => ({ id }) as AssetEntity),
-        });
-      }
-
-      // Merge stacks
-      options.stackParentId = undefined;
-      (options as Partial<AssetEntity>).updatedAt = new Date();
-    }
-
     for (const id of ids) {
       await this.updateMetadata({ id, dateTimeOriginal, latitude, longitude });
     }
 
     await this.assetRepository.updateAll(ids, options);
-    const stackIdsToDelete = await Promise.all(stackIdsToCheckForDelete.map((id) => this.stackRepository.getById(id)));
-    const stacksToDelete = stackIdsToDelete
-      .flatMap((stack) => (stack ? [stack] : []))
-      .filter((stack) => stack.assets.length < 2);
-    await Promise.all(stacksToDelete.map((as) => this.stackRepository.delete(as.id)));
-    this.eventRepository.clientSend(ClientEvent.ASSET_STACK_UPDATE, auth.user.id, ids);
   }
 
   async handleAssetDeletionCheck(): Promise<JobStatus> {
@@ -343,41 +288,6 @@ export class AssetService {
     }
   }
 
-  async updateStackParent(auth: AuthDto, dto: UpdateStackParentDto): Promise<void> {
-    const { oldParentId, newParentId } = dto;
-    await this.access.requirePermission(auth, Permission.ASSET_READ, oldParentId);
-    await this.access.requirePermission(auth, Permission.ASSET_UPDATE, newParentId);
-
-    const childIds: string[] = [];
-    const oldParent = await this.assetRepository.getById(oldParentId, {
-      faces: {
-        person: true,
-      },
-      library: true,
-      stack: {
-        assets: true,
-      },
-    });
-    if (!oldParent?.stackId) {
-      throw new Error('Asset not found or not in a stack');
-    }
-    if (oldParent != null) {
-      // Get all children of old parent
-      childIds.push(oldParent.id, ...(oldParent.stack?.assets.map((a) => a.id) ?? []));
-    }
-    await this.stackRepository.update({
-      id: oldParent.stackId,
-      primaryAssetId: newParentId,
-    });
-
-    this.eventRepository.clientSend(ClientEvent.ASSET_STACK_UPDATE, auth.user.id, [
-      ...childIds,
-      newParentId,
-      oldParentId,
-    ]);
-    await this.assetRepository.updateAll([oldParentId, newParentId, ...childIds], { updatedAt: new Date() });
-  }
-
   async run(auth: AuthDto, dto: AssetJobsDto) {
     await this.access.requirePermission(auth, Permission.ASSET_UPDATE, dto.assetIds);
 
diff --git a/server/src/services/duplicate.service.ts b/server/src/services/duplicate.service.ts
index ae9d101c58..70852a5381 100644
--- a/server/src/services/duplicate.service.ts
+++ b/server/src/services/duplicate.service.ts
@@ -39,7 +39,7 @@ export class DuplicateService {
   async getDuplicates(auth: AuthDto): Promise<DuplicateResponseDto[]> {
     const res = await this.assetRepository.getDuplicates({ userIds: [auth.user.id] });
 
-    return mapDuplicateResponse(res.map((a) => mapAsset(a, { auth })));
+    return mapDuplicateResponse(res.map((a) => mapAsset(a, { auth, withStack: true })));
   }
 
   async handleQueueSearchDuplicates({ force }: IBaseJob): Promise<JobStatus> {
diff --git a/server/src/services/index.ts b/server/src/services/index.ts
index ab680f15e3..5a2e53927a 100644
--- a/server/src/services/index.ts
+++ b/server/src/services/index.ts
@@ -25,6 +25,7 @@ import { ServerService } from 'src/services/server.service';
 import { SessionService } from 'src/services/session.service';
 import { SharedLinkService } from 'src/services/shared-link.service';
 import { SmartInfoService } from 'src/services/smart-info.service';
+import { StackService } from 'src/services/stack.service';
 import { StorageTemplateService } from 'src/services/storage-template.service';
 import { StorageService } from 'src/services/storage.service';
 import { SyncService } from 'src/services/sync.service';
@@ -65,6 +66,7 @@ export const services = [
   SessionService,
   SharedLinkService,
   SmartInfoService,
+  StackService,
   StorageService,
   StorageTemplateService,
   SyncService,
diff --git a/server/src/services/stack.service.ts b/server/src/services/stack.service.ts
new file mode 100644
index 0000000000..70234dee56
--- /dev/null
+++ b/server/src/services/stack.service.ts
@@ -0,0 +1,84 @@
+import { BadRequestException, Inject, Injectable } from '@nestjs/common';
+import { AccessCore } from 'src/cores/access.core';
+import { BulkIdsDto } from 'src/dtos/asset-ids.response.dto';
+import { AuthDto } from 'src/dtos/auth.dto';
+import { StackCreateDto, StackResponseDto, StackSearchDto, StackUpdateDto, mapStack } from 'src/dtos/stack.dto';
+import { Permission } from 'src/enum';
+import { IAccessRepository } from 'src/interfaces/access.interface';
+import { ClientEvent, IEventRepository } from 'src/interfaces/event.interface';
+import { IStackRepository } from 'src/interfaces/stack.interface';
+
+@Injectable()
+export class StackService {
+  private access: AccessCore;
+
+  constructor(
+    @Inject(IAccessRepository) accessRepository: IAccessRepository,
+    @Inject(IEventRepository) private eventRepository: IEventRepository,
+    @Inject(IStackRepository) private stackRepository: IStackRepository,
+  ) {
+    this.access = AccessCore.create(accessRepository);
+  }
+
+  async search(auth: AuthDto, dto: StackSearchDto): Promise<StackResponseDto[]> {
+    const stacks = await this.stackRepository.search({
+      ownerId: auth.user.id,
+      primaryAssetId: dto.primaryAssetId,
+    });
+
+    return stacks.map((stack) => mapStack(stack, { auth }));
+  }
+
+  async create(auth: AuthDto, dto: StackCreateDto): Promise<StackResponseDto> {
+    await this.access.requirePermission(auth, Permission.ASSET_UPDATE, dto.assetIds);
+
+    const stack = await this.stackRepository.create({ ownerId: auth.user.id, assetIds: dto.assetIds });
+
+    this.eventRepository.clientSend(ClientEvent.ASSET_STACK_UPDATE, auth.user.id, []);
+
+    return mapStack(stack, { auth });
+  }
+
+  async get(auth: AuthDto, id: string): Promise<StackResponseDto> {
+    await this.access.requirePermission(auth, Permission.STACK_READ, id);
+    const stack = await this.findOrFail(id);
+    return mapStack(stack, { auth });
+  }
+
+  async update(auth: AuthDto, id: string, dto: StackUpdateDto): Promise<StackResponseDto> {
+    await this.access.requirePermission(auth, Permission.STACK_UPDATE, id);
+    const stack = await this.findOrFail(id);
+    if (dto.primaryAssetId && !stack.assets.some(({ id }) => id === dto.primaryAssetId)) {
+      throw new BadRequestException('Primary asset must be in the stack');
+    }
+
+    const updatedStack = await this.stackRepository.update({ id, primaryAssetId: dto.primaryAssetId });
+
+    this.eventRepository.clientSend(ClientEvent.ASSET_STACK_UPDATE, auth.user.id, []);
+
+    return mapStack(updatedStack, { auth });
+  }
+
+  async delete(auth: AuthDto, id: string): Promise<void> {
+    await this.access.requirePermission(auth, Permission.STACK_DELETE, id);
+    await this.stackRepository.delete(id);
+
+    this.eventRepository.clientSend(ClientEvent.ASSET_STACK_UPDATE, auth.user.id, []);
+  }
+
+  async deleteAll(auth: AuthDto, dto: BulkIdsDto): Promise<void> {
+    await this.access.requirePermission(auth, Permission.STACK_DELETE, dto.ids);
+    await this.stackRepository.deleteAll(dto.ids);
+
+    this.eventRepository.clientSend(ClientEvent.ASSET_STACK_UPDATE, auth.user.id, []);
+  }
+
+  private async findOrFail(id: string) {
+    const stack = await this.stackRepository.getById(id);
+    if (!stack) {
+      throw new Error('Asset stack not found');
+    }
+
+    return stack;
+  }
+}
diff --git a/server/test/fixtures/shared-link.stub.ts b/server/test/fixtures/shared-link.stub.ts
index 1635f8d24f..8a5cc17d4f 100644
--- a/server/test/fixtures/shared-link.stub.ts
+++ b/server/test/fixtures/shared-link.stub.ts
@@ -76,7 +76,6 @@ const assetResponse: AssetResponseDto = {
   isTrashed: false,
   libraryId: 'library-id',
   hasMetadata: true,
-  stackCount: 0,
 };
 
 const assetResponseWithoutMetadata = {
diff --git a/server/test/repositories/access.repository.mock.ts b/server/test/repositories/access.repository.mock.ts
index 8d69e35c05..befe9c77a8 100644
--- a/server/test/repositories/access.repository.mock.ts
+++ b/server/test/repositories/access.repository.mock.ts
@@ -7,10 +7,11 @@ export interface IAccessRepositoryMock {
   asset: Mocked<IAccessRepository['asset']>;
   album: Mocked<IAccessRepository['album']>;
   authDevice: Mocked<IAccessRepository['authDevice']>;
-  timeline: Mocked<IAccessRepository['timeline']>;
   memory: Mocked<IAccessRepository['memory']>;
   person: Mocked<IAccessRepository['person']>;
   partner: Mocked<IAccessRepository['partner']>;
+  stack: Mocked<IAccessRepository['stack']>;
+  timeline: Mocked<IAccessRepository['timeline']>;
 }
 
 export const newAccessRepositoryMock = (reset = true): IAccessRepositoryMock => {
@@ -42,10 +43,6 @@ export const newAccessRepositoryMock = (reset = true): IAccessRepositoryMock =>
       checkOwnerAccess: vitest.fn().mockResolvedValue(new Set()),
     },
 
-    timeline: {
-      checkPartnerAccess: vitest.fn().mockResolvedValue(new Set()),
-    },
-
     memory: {
       checkOwnerAccess: vitest.fn().mockResolvedValue(new Set()),
     },
@@ -58,5 +55,13 @@ export const newAccessRepositoryMock = (reset = true): IAccessRepositoryMock =>
     partner: {
       checkUpdateAccess: vitest.fn().mockResolvedValue(new Set()),
     },
+
+    stack: {
+      checkOwnerAccess: vitest.fn().mockResolvedValue(new Set()),
+    },
+
+    timeline: {
+      checkPartnerAccess: vitest.fn().mockResolvedValue(new Set()),
+    },
   };
 };
diff --git a/server/test/repositories/stack.repository.mock.ts b/server/test/repositories/stack.repository.mock.ts
index 5567d2e1ac..35d1614de7 100644
--- a/server/test/repositories/stack.repository.mock.ts
+++ b/server/test/repositories/stack.repository.mock.ts
@@ -3,9 +3,11 @@ import { Mocked, vitest } from 'vitest';
 
 export const newStackRepositoryMock = (): Mocked<IStackRepository> => {
   return {
+    search: vitest.fn(),
     create: vitest.fn(),
     update: vitest.fn(),
     delete: vitest.fn(),
     getById: vitest.fn(),
+    deleteAll: vitest.fn(),
   };
 };
diff --git a/web/src/lib/components/asset-viewer/actions/unstack-action.svelte b/web/src/lib/components/asset-viewer/actions/unstack-action.svelte
index 40178c472d..bd18e0e8bf 100644
--- a/web/src/lib/components/asset-viewer/actions/unstack-action.svelte
+++ b/web/src/lib/components/asset-viewer/actions/unstack-action.svelte
@@ -1,17 +1,17 @@
 <script lang="ts">
   import MenuOption from '$lib/components/shared-components/context-menu/menu-option.svelte';
   import { AssetAction } from '$lib/constants';
-  import { unstackAssets } from '$lib/utils/asset-utils';
-  import type { AssetResponseDto } from '@immich/sdk';
+  import { deleteStack } from '$lib/utils/asset-utils';
+  import type { StackResponseDto } from '@immich/sdk';
   import { mdiImageMinusOutline } from '@mdi/js';
   import { t } from 'svelte-i18n';
   import type { OnAction } from './action';
 
-  export let stackedAssets: AssetResponseDto[];
+  export let stack: StackResponseDto;
   export let onAction: OnAction;
 
   const handleUnstack = async () => {
-    const unstackedAssets = await unstackAssets(stackedAssets);
+    const unstackedAssets = await deleteStack([stack.id]);
     if (unstackedAssets) {
       onAction({ type: AssetAction.UNSTACK, assets: unstackedAssets });
     }
diff --git a/web/src/lib/components/asset-viewer/asset-viewer-nav-bar.svelte b/web/src/lib/components/asset-viewer/asset-viewer-nav-bar.svelte
index a5534f79d8..a57a7faef8 100644
--- a/web/src/lib/components/asset-viewer/asset-viewer-nav-bar.svelte
+++ b/web/src/lib/components/asset-viewer/asset-viewer-nav-bar.svelte
@@ -19,7 +19,13 @@
   import { photoZoomState } from '$lib/stores/zoom-image.store';
   import { getAssetJobName, getSharedLink } from '$lib/utils';
   import { openFileUploadDialog } from '$lib/utils/file-uploader';
-  import { AssetJobName, AssetTypeEnum, type AlbumResponseDto, type AssetResponseDto } from '@immich/sdk';
+  import {
+    AssetJobName,
+    AssetTypeEnum,
+    type AlbumResponseDto,
+    type AssetResponseDto,
+    type StackResponseDto,
+  } from '@immich/sdk';
   import {
     mdiAlertOutline,
     mdiCogRefreshOutline,
@@ -37,10 +43,9 @@
 
   export let asset: AssetResponseDto;
   export let album: AlbumResponseDto | null = null;
-  export let stackedAssets: AssetResponseDto[];
+  export let stack: StackResponseDto | null = null;
   export let showDetailButton: boolean;
   export let showSlideshow = false;
-  export let hasStackChildren = false;
   export let onZoomImage: () => void;
   export let onCopyImage: () => void;
   export let onAction: OnAction;
@@ -136,8 +141,8 @@
         {/if}
 
         {#if isOwner}
-          {#if hasStackChildren}
-            <UnstackAction {stackedAssets} {onAction} />
+          {#if stack}
+            <UnstackAction {stack} {onAction} />
           {/if}
           {#if album}
             <SetAlbumCoverAction {asset} {album} />
diff --git a/web/src/lib/components/asset-viewer/asset-viewer.svelte b/web/src/lib/components/asset-viewer/asset-viewer.svelte
index 0c8481805a..7c541fbf7a 100644
--- a/web/src/lib/components/asset-viewer/asset-viewer.svelte
+++ b/web/src/lib/components/asset-viewer/asset-viewer.svelte
@@ -30,6 +30,8 @@
     type ActivityResponseDto,
     type AlbumResponseDto,
     type AssetResponseDto,
+    getStack,
+    type StackResponseDto,
   } from '@immich/sdk';
   import { mdiImageBrokenVariant } from '@mdi/js';
   import { createEventDispatcher, onDestroy, onMount } from 'svelte';
@@ -74,7 +76,6 @@
   }>();
 
   let appearsInAlbums: AlbumResponseDto[] = [];
-  let stackedAssets: AssetResponseDto[] = [];
   let shouldPlayMotionPhoto = false;
   let sharedLink = getSharedLink();
   let enableDetailPanel = asset.hasMetadata;
@@ -92,22 +93,28 @@
 
   $: isFullScreen = fullscreenElement !== null;
 
-  $: {
-    if (asset.stackCount && asset.stack) {
-      stackedAssets = asset.stack;
-      stackedAssets = [...stackedAssets, asset].sort(
-        (a, b) => new Date(b.fileCreatedAt).getTime() - new Date(a.fileCreatedAt).getTime(),
-      );
+  let stack: StackResponseDto | null = null;
 
-      // if its a stack, add the next stack image in addition to the next asset
-      if (asset.stackCount > 1) {
-        preloadAssets.push(stackedAssets[1]);
-      }
+  const refreshStack = async () => {
+    if (isSharedLink()) {
+      return;
     }
 
-    if (!stackedAssets.map((a) => a.id).includes(asset.id)) {
-      stackedAssets = [];
+    if (asset.stack) {
+      stack = await getStack({ id: asset.stack.id });
     }
+
+    if (!stack?.assets.some(({ id }) => id === asset.id)) {
+      stack = null;
+    }
+
+    if (stack && stack?.assets.length > 1) {
+      preloadAssets.push(stack.assets[1]);
+    }
+  };
+
+  $: if (asset) {
+    handlePromiseError(refreshStack());
   }
 
   $: {
@@ -215,15 +222,6 @@
     if (!sharedLink) {
       await handleGetAllAlbums();
     }
-
-    if (asset.stackCount && asset.stack) {
-      stackedAssets = asset.stack;
-      stackedAssets = [...stackedAssets, asset].sort(
-        (a, b) => new Date(a.fileCreatedAt).getTime() - new Date(b.fileCreatedAt).getTime(),
-      );
-    } else {
-      stackedAssets = [];
-    }
   });
 
   onDestroy(() => {
@@ -392,8 +390,10 @@
         await handleGetAllAlbums();
         break;
       }
+
       case AssetAction.UNSTACK: {
         await closeViewer();
+        break;
       }
     }
 
@@ -420,10 +420,9 @@
       <AssetViewerNavBar
         {asset}
         {album}
-        {stackedAssets}
+        {stack}
         showDetailButton={enableDetailPanel}
         showSlideshow={!!assetStore}
-        hasStackChildren={stackedAssets.length > 0}
         onZoomImage={zoomToggle}
         onCopyImage={copyImage}
         onAction={handleAction}
@@ -568,7 +567,8 @@
     </div>
   {/if}
 
-  {#if stackedAssets.length > 0 && withStacked}
+  {#if stack && withStacked}
+    {@const stackedAssets = stack.assets}
     <div
       id="stack-slideshow"
       class="z-[1002] flex place-item-center place-content-center absolute bottom-0 w-full col-span-4 col-start-1 overflow-x-auto horizontal-scrollbar"
diff --git a/web/src/lib/components/assets/thumbnail/thumbnail.svelte b/web/src/lib/components/assets/thumbnail/thumbnail.svelte
index 600c30e265..6b0bd2ee75 100644
--- a/web/src/lib/components/assets/thumbnail/thumbnail.svelte
+++ b/web/src/lib/components/assets/thumbnail/thumbnail.svelte
@@ -170,14 +170,14 @@
 
         <!-- Stacked asset -->
 
-        {#if asset.stackCount && showStackedIcon}
+        {#if asset.stack && showStackedIcon}
           <div
             class="absolute {asset.type == AssetTypeEnum.Image && asset.livePhotoVideoId == undefined
               ? 'top-0 right-0'
               : 'top-7 right-1'} z-20 flex place-items-center gap-1 text-xs font-medium text-white"
           >
             <span class="pr-2 pt-2 flex place-items-center gap-1">
-              <p>{asset.stackCount.toLocaleString($locale)}</p>
+              <p>{asset.stack.assetCount.toLocaleString($locale)}</p>
               <Icon path={mdiCameraBurst} size="24" />
             </span>
           </div>
diff --git a/web/src/lib/components/photos-page/actions/stack-action.svelte b/web/src/lib/components/photos-page/actions/stack-action.svelte
index 5e425c4f00..c1f2bf212f 100644
--- a/web/src/lib/components/photos-page/actions/stack-action.svelte
+++ b/web/src/lib/components/photos-page/actions/stack-action.svelte
@@ -2,7 +2,7 @@
   import MenuOption from '$lib/components/shared-components/context-menu/menu-option.svelte';
   import { getAssetControlContext } from '$lib/components/photos-page/asset-select-control-bar.svelte';
   import { mdiImageMinusOutline, mdiImageMultipleOutline } from '@mdi/js';
-  import { stackAssets, unstackAssets } from '$lib/utils/asset-utils';
+  import { stackAssets, deleteStack } from '$lib/utils/asset-utils';
   import type { OnStack, OnUnstack } from '$lib/utils/actions';
   import { t } from 'svelte-i18n';
 
@@ -30,8 +30,7 @@
     if (!stack) {
       return;
     }
-    const assets = [selectedAssets[0], ...stack];
-    const unstackedAssets = await unstackAssets(assets);
+    const unstackedAssets = await deleteStack([stack.id]);
     if (unstackedAssets) {
       onUnstack?.(unstackedAssets);
     }
diff --git a/web/src/lib/components/utilities-page/duplicates/duplicate-asset.svelte b/web/src/lib/components/utilities-page/duplicates/duplicate-asset.svelte
index 5fc2177e88..2103250b54 100644
--- a/web/src/lib/components/utilities-page/duplicates/duplicate-asset.svelte
+++ b/web/src/lib/components/utilities-page/duplicates/duplicate-asset.svelte
@@ -14,7 +14,6 @@
 
   $: isFromExternalLibrary = !!asset.libraryId;
   $: assetData = JSON.stringify(asset, null, 2);
-  $: stackCount = asset.stackCount;
 </script>
 
 <div
@@ -55,17 +54,17 @@
         {isSelected ? $t('keep') : $t('to_trash')}
       </div>
 
-      <!-- EXTERNAL LIBRARY / STACK COUNT CHIP-->
+      <!-- EXTERNAL LIBRARY / STACK COUNT CHIP -->
       <div class="absolute top-2 right-3">
         {#if isFromExternalLibrary}
           <div class="bg-immich-primary/90 px-2 py-1 rounded-xl text-xs text-white">
             {$t('external')}
           </div>
         {/if}
-        {#if stackCount != null && stackCount != 0}
+        {#if asset.stack?.assetCount}
           <div class="bg-immich-primary/90 px-2 py-1 my-0.5 rounded-xl text-xs text-white">
             <div class="flex items-center justify-center">
-              <div class="mr-1">{stackCount}</div>
+              <div class="mr-1">{asset.stack.assetCount}</div>
               <Icon path={mdiImageMultipleOutline} size="18" />
             </div>
           </div>
diff --git a/web/src/lib/utils/asset-utils.ts b/web/src/lib/utils/asset-utils.ts
index 74a695770e..2722745317 100644
--- a/web/src/lib/utils/asset-utils.ts
+++ b/web/src/lib/utils/asset-utils.ts
@@ -12,9 +12,12 @@ import { createAlbum } from '$lib/utils/album-utils';
 import { getByteUnitString } from '$lib/utils/byte-units';
 import {
   addAssetsToAlbum as addAssets,
+  createStack,
+  deleteStacks,
   getAssetInfo,
   getBaseUrl,
   getDownloadInfo,
+  getStack,
   updateAsset,
   updateAssets,
   type AlbumResponseDto,
@@ -335,79 +338,60 @@ export const stackAssets = async (assets: AssetResponseDto[], showNotification =
     return false;
   }
 
-  const parent = assets[0];
-  const children = assets.slice(1);
-  const ids = children.map(({ id }) => id);
   const $t = get(t);
 
   try {
-    await updateAssets({
-      assetBulkUpdateDto: {
-        ids,
-        stackParentId: parent.id,
-      },
-    });
+    const stack = await createStack({ stackCreateDto: { assetIds: assets.map(({ id }) => id) } });
+    if (showNotification) {
+      notificationController.show({
+        message: $t('stacked_assets_count', { values: { count: stack.assets.length } }),
+        type: NotificationType.Info,
+        button: {
+          text: $t('view_stack'),
+          onClick: () => assetViewingStore.setAssetId(stack.primaryAssetId),
+        },
+      });
+    }
+
+    for (const [index, asset] of assets.entries()) {
+      asset.stack = index === 0 ? { id: stack.id, assetCount: stack.assets.length, primaryAssetId: asset.id } : null;
+    }
+
+    return assets.slice(1).map((asset) => asset.id);
   } catch (error) {
     handleError(error, $t('errors.failed_to_stack_assets'));
     return false;
   }
-
-  let grandChildren: AssetResponseDto[] = [];
-  for (const asset of children) {
-    asset.stackParentId = parent.id;
-    if (asset.stack) {
-      // Add grand-children to new parent
-      grandChildren = grandChildren.concat(asset.stack);
-      // Reset children stack info
-      asset.stackCount = null;
-      asset.stack = [];
-    }
-  }
-
-  parent.stack ??= [];
-  parent.stack = parent.stack.concat(children, grandChildren);
-  parent.stackCount = parent.stack.length + 1;
-
-  if (showNotification) {
-    notificationController.show({
-      message: $t('stacked_assets_count', { values: { count: parent.stackCount } }),
-      type: NotificationType.Info,
-      button: {
-        text: $t('view_stack'),
-        onClick() {
-          return assetViewingStore.setAssetId(parent.id);
-        },
-      },
-    });
-  }
-
-  return ids;
 };
 
-export const unstackAssets = async (assets: AssetResponseDto[]) => {
-  const ids = assets.map(({ id }) => id);
-  const $t = get(t);
-  try {
-    await updateAssets({
-      assetBulkUpdateDto: {
-        ids,
-        removeParent: true,
-      },
-    });
-  } catch (error) {
-    handleError(error, $t('errors.failed_to_unstack_assets'));
+export const deleteStack = async (stackIds: string[]) => {
+  const ids = [...new Set(stackIds)];
+  if (ids.length === 0) {
     return;
   }
-  for (const asset of assets) {
-    asset.stackParentId = null;
-    asset.stackCount = null;
-    asset.stack = [];
+
+  const $t = get(t);
+
+  try {
+    const stacks = await Promise.all(ids.map((id) => getStack({ id })));
+    const count = stacks.reduce((sum, stack) => sum + stack.assets.length, 0);
+
+    await deleteStacks({ bulkIdsDto: { ids: [...ids] } });
+
+    notificationController.show({
+      type: NotificationType.Info,
+      message: $t('unstacked_assets_count', { values: { count } }),
+    });
+
+    const assets = stacks.flatMap((stack) => stack.assets);
+    for (const asset of assets) {
+      asset.stack = null;
+    }
+
+    return assets;
+  } catch (error) {
+    handleError(error, $t('errors.failed_to_unstack_assets'));
   }
-  notificationController.show({
-    type: NotificationType.Info,
-    message: $t('unstacked_assets_count', { values: { count: assets.length } }),
-  });
-  return assets;
 };
 
 export const selectAllAssets = async (assetStore: AssetStore, assetInteractionStore: AssetInteractionStore) => {
diff --git a/web/src/test-data/factories/asset-factory.ts b/web/src/test-data/factories/asset-factory.ts
index e76138fe59..5f31b8af44 100644
--- a/web/src/test-data/factories/asset-factory.ts
+++ b/web/src/test-data/factories/asset-factory.ts
@@ -25,5 +25,4 @@ export const assetFactory = Sync.makeFactory<AssetResponseDto>({
   checksum: Sync.each(() => faker.string.alphanumeric(28)),
   isOffline: Sync.each(() => faker.datatype.boolean()),
   hasMetadata: Sync.each(() => faker.datatype.boolean()),
-  stackCount: null,
 });