diff --git a/src-ui/src/app/components/document-detail/document-detail.component.html b/src-ui/src/app/components/document-detail/document-detail.component.html
index e5663acfe..13f7640a6 100644
--- a/src-ui/src/app/components/document-detail/document-detail.component.html
+++ b/src-ui/src/app/components/document-detail/document-detail.component.html
@@ -8,14 +8,40 @@
       </button>
       <div class="dropdown-menu shadow" ngbDropdownMenu>
         <div class="px-3 py-2">
-          <div class="input-group input-group-sm mb-2">
-            <span class="input-group-text" i18n>Label</span>
-            <input class="form-control" type="text" [(ngModel)]="newVersionLabel" i18n-placeholder placeholder="Optional" [disabled]="!userIsOwner || !userCanEdit" />
-          </div>
-          <input #versionFileInput type="file" class="visually-hidden" (change)="onVersionFileSelected($event)" />
-          <button class="btn btn-sm btn-outline-secondary w-100" (click)="versionFileInput.click()" [disabled]="!userIsOwner || !userCanEdit">
-            <i-bs name="file-earmark-plus"></i-bs><span class="ps-1" i18n>Add new version</span>
-          </button>
+          @if (versionUploadState === UploadState.Idle) {
+            <div class="input-group input-group-sm mb-2">
+              <span class="input-group-text" i18n>Label</span>
+              <input class="form-control" type="text" [(ngModel)]="newVersionLabel" i18n-placeholder placeholder="Optional" [disabled]="!userIsOwner || !userCanEdit" />
+            </div>
+            <input #versionFileInput type="file" class="visually-hidden" (change)="onVersionFileSelected($event)" />
+            <button class="btn btn-sm btn-outline-secondary w-100" (click)="versionFileInput.click()" [disabled]="!userIsOwner || !userCanEdit">
+              <i-bs name="file-earmark-plus"></i-bs><span class="ps-1" i18n>Add new version</span>
+            </button>
+          } @else {
+            @switch (versionUploadState) {
+              @case (UploadState.Uploading) {
+                <div class="small text-muted mt-1 d-flex align-items-center">
+                  <span class="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true"></span>
+                  <span i18n>Uploading version...</span>
+                </div>
+              }
+              @case (UploadState.Processing) {
+                <div class="small text-muted mt-1 d-flex align-items-center">
+                  <span class="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true"></span>
+                  <span i18n>Processing version...</span>
+                </div>
+              }
+              @case (UploadState.Failed) {
+                <div class="small text-danger mt-1 d-flex align-items-center justify-content-between">
+                  <span i18n>Version upload failed.</span>
+                  <button type="button" class="btn btn-link btn-sm p-0 ms-2" (click)="clearVersionUploadStatus()" i18n>Dismiss</button>
+                </div>
+                @if (versionUploadError) {
+                  <div class="small text-muted mt-1">{{ versionUploadError }}</div>
+                }
+              }
+            }
+          }
         </div>
         <div class="dropdown-divider"></div>
         @for (version of document.versions; track version.id) {
diff --git a/src-ui/src/app/components/document-detail/document-detail.component.ts b/src-ui/src/app/components/document-detail/document-detail.component.ts
index 9bd026831..a85be20f3 100644
--- a/src-ui/src/app/components/document-detail/document-detail.component.ts
+++ b/src-ui/src/app/components/document-detail/document-detail.component.ts
@@ -20,7 +20,7 @@ import {
 import { dirtyCheck, DirtyComponent } from '@ngneat/dirty-check-forms'
 import { NgxBootstrapIconsModule } from 'ngx-bootstrap-icons'
 import { DeviceDetectorService } from 'ngx-device-detector'
-import { BehaviorSubject, Observable, of, Subject, timer } from 'rxjs'
+import { BehaviorSubject, merge, Observable, of, Subject, timer } from 'rxjs'
 import {
   catchError,
   debounceTime,
@@ -81,7 +81,10 @@ import { TagService } from 'src/app/services/rest/tag.service'
 import { UserService } from 'src/app/services/rest/user.service'
 import { SettingsService } from 'src/app/services/settings.service'
 import { ToastService } from 'src/app/services/toast.service'
-import { WebsocketStatusService } from 'src/app/services/websocket-status.service'
+import {
+  UploadState,
+  WebsocketStatusService,
+} from 'src/app/services/websocket-status.service'
 import { getFilenameFromContentDisposition } from 'src/app/utils/http'
 import { ISODateAdapter } from 'src/app/utils/ngb-iso-date-adapter'
 import * as UTIF from 'utif'
@@ -188,6 +191,8 @@ export class DocumentDetailComponent
   implements OnInit, OnDestroy, DirtyComponent
 {
   PdfRenderMode = PdfRenderMode
+  UploadState = UploadState
+
   documentsService = inject(DocumentService)
   private route = inject(ActivatedRoute)
   private tagService = inject(TagService)
@@ -237,6 +242,8 @@ export class DocumentDetailComponent
   // Versioning: which document ID to use for file preview/download
   selectedVersionId: number
   newVersionLabel: string = ''
+  versionUploadState: UploadState = UploadState.Idle
+  versionUploadError: string | null = null
   previewText: string
   previewLoaded: boolean = false
   tiffURL: string
@@ -1239,6 +1246,8 @@ export class DocumentDetailComponent
     // Reset input to allow re-selection of the same file later
     input.value = ''
     const label = this.newVersionLabel?.trim()
+    this.versionUploadState = UploadState.Uploading
+    this.versionUploadError = null
     this.documentsService
       .uploadVersion(this.documentId, file, label)
       .pipe(
@@ -1248,6 +1257,7 @@ export class DocumentDetailComponent
             $localize`Uploading new version. Processing will happen in the background.`
           )
           this.newVersionLabel = ''
+          this.versionUploadState = UploadState.Processing
         }),
         map((taskId) =>
           typeof taskId === 'string'
@@ -1256,17 +1266,31 @@ export class DocumentDetailComponent
         ),
         switchMap((taskId) => {
           if (!taskId) {
+            this.versionUploadState = UploadState.Failed
+            this.versionUploadError = $localize`Missing task ID.`
             return of(null)
           }
-          return this.websocketStatusService
-            .onDocumentConsumptionFinished()
-            .pipe(
+          return merge(
+            this.websocketStatusService.onDocumentConsumptionFinished().pipe(
               filter((status) => status.taskId === taskId),
-              take(1)
+              map(() => ({ state: 'success' as const }))
+            ),
+            this.websocketStatusService.onDocumentConsumptionFailed().pipe(
+              filter((status) => status.taskId === taskId),
+              map((status) => ({
+                state: 'failed' as const,
+                message: status.message,
+              }))
             )
+          ).pipe(take(1))
         }),
-        switchMap((status) => {
-          if (!status) {
+        switchMap((result) => {
+          if (!result || result.state !== 'success') {
+            if (result?.state === 'failed') {
+              this.versionUploadState = UploadState.Failed
+              this.versionUploadError =
+                result.message || $localize`Upload failed.`
+            }
             return of(null)
           }
           return this.documentsService.getVersions(this.documentId)
@@ -1285,9 +1309,15 @@ export class DocumentDetailComponent
               openDoc.versions = doc.versions
               this.openDocumentService.save()
             }
+            this.selectVersion(
+              Math.max(...doc.versions.map((version) => version.id))
+            )
+            this.clearVersionUploadStatus()
           }
         },
         error: (error) => {
+          this.versionUploadState = UploadState.Failed
+          this.versionUploadError = error?.message || $localize`Upload failed.`
           this.toastService.showError(
             $localize`Error uploading new version`,
             error
@@ -1296,6 +1326,11 @@ export class DocumentDetailComponent
       })
   }
 
+  clearVersionUploadStatus() {
+    this.versionUploadState = UploadState.Idle
+    this.versionUploadError = null
+  }
+
   download(original: boolean = false) {
     this.downloading = true
     const downloadUrl = this.documentsService.getDownloadUrl(
diff --git a/src-ui/src/app/services/websocket-status.service.ts b/src-ui/src/app/services/websocket-status.service.ts
index f9084c88c..5675060d1 100644
--- a/src-ui/src/app/services/websocket-status.service.ts
+++ b/src-ui/src/app/services/websocket-status.service.ts
@@ -89,6 +89,13 @@ export class FileStatus {
   }
 }
 
+export enum UploadState {
+  Idle = 'idle',
+  Uploading = 'uploading',
+  Processing = 'processing',
+  Failed = 'failed',
+}
+
 @Injectable({
   providedIn: 'root',
 })