#22817 Installer: Write connection string to the final available appsettings.*.json (closes #21833)

#23584 Array State: support value to be undefined

#23416 Config Repositories: Defer store-backed config observables via a shared base so consumers need not await initialized

#23611 Content type designer: add root property styles

#23606 Pickers: Show the number of selected items in the tree and collection item picker modals

#23593 Tree Item Picker: Make table rows and cards with children navigable in pickers during selection

#23578 Code Block: style update

#23571 Collections: Remember the view, filter, ordering and page of a collection (closes #22418)

#23563 Tiptap RTE: Fix crash when content contains an embedded media node

#23542 Confirm Modal: Escaped special characters in item names

#23525 Block editors: inner block values shift onto neighbouring blocks when saving a subset of variants

Fixed in #23527 Block editors: Pair inner block values by block key when merging variant data (closes #23525)

#23426 Backoffice: Support running in insecure browser contexts (plain HTTP on IP addresses)

#23385 Content Workspaces: Redirect stale variant workspace URLs when the content type variance changes

#23101 Media Picker search - add disambiguation of search results, particularly for folders!

Fixed in #23116 Media Picker: Show ancestor breadcrumb path in search results table view (closes #23101)

#23092 Error label at block doesn't seem to consider UFM

Fixed in #23511 Block Grid: Use the content element type name in the invalid-location tag (closes #23092)

#23499 Management API: Generate valid operation IDs for minor API versions, and upgrade @hey-api/openapi-ts

#23727 OpenIddict: Compare ConsentType and ApplicationType only when the descriptor sets them (follow-up to #23599)

#23697 Potential HttpClient initialization race condition in OEmbedProviderBase?

Fixed in #23715 oEmbed: Fix HttpClient initialization race in OEmbedProviderBase (closes #23697)

#23691 Segments: Handle segment values for `IsPropertyValid`

#23681 Dependencies: Update NuGet packages to latest minor and patch versions (18)

#23673 Performance: Only load server information once when instantiating the backoffice

#23670 Tree: Avoid reloads on no-change config updates

#23655 Authentication: Log silent auto-link failures in `BackOfficeSignInManager` and `MemberSignInManager` (closes #23632)

Closes #23632 AutoLinkAndSignInExternalAccount fails completely silently

#23622 Localization: Update Danish translations

#23621 Localization: Restore from recycle bin and image crops property editor

#23615 Navigation Cache: Change from `HashSet<T>` to `ConcurrentHashSet<T>` in `NavigationSnapshot` (closes #23577)

Closes #23577 Concurrent collection error when deleting content in a loop

#23614 Documentation: Add a warning that discourages the use of `StripHtml` for XSS prevention

#23612 Upgrading from Umbraco 13.14 to 17.3.5 “LockObject with id=-344 does not exist"

Fixed in #23709 Migrations: Don't rebuild the published cache after a failed migration plan (closes #23612)

#23605 Image Cropper: Fix button labels (closes #23604)

Closes #23604 Crop Editor Save Button Label wrong

#23599 OpenIddict: Prevent `ConcurrencyException` when several instances register the same application (closes #23544)

Closes #23544 Concurrent instances fail with ConcurrencyException registering the back-office OpenIddict application

#23583 Perf: Pre-populate `IdKeyMap` when IPublishedContent is loaded/created

Fixed in #23586 Published cache: Populate the ID/key map from seeded and cached content (closes #23583)

#23576 Segment variant validation on publish fails when mandatory property has no segment-specific value (no fallback to invariant/base value)

Fixed in #23587 Segments: Fix mandatory segment property validation (closes #23576)

#23570 Dependencies: Update NuGet packages to latest minor and patch versions

#23567 Localization: Add missing Swedish translations

#23562 Dependencies: Update Tiptap to 3.29.2

#23555 SignalR Events: Filter document and media notifications by the recipient's start-node access

#23546 Elements: Expand test coverage

#23543 Localization: Danish translation for BlockEditor confirmDeleteBlockTitle

#23537 Cache rebuilds triggered per-migration during upgrade — intentional? (v13 to v17 Upgrade experience).

Fixed in #23533 Migrations: Only rebuild the published cache for migration plans that request it (closes #23537)

#23530 Preview - cannot run with a nonce-based CSP using strict-dynamic

Fixed in #23560 Preview: Add the CSP nonce to the injected preview badge script (closes #23530)

#23524 Duplicate entries within UDA file

Fixed in #23538 Tiptap RTE: Prevent duplicate toolbar items when reordering a newly dragged item (closes #23524)

#23521 Imaging: Enforce max width/height when HMAC is configured

#23519 Navigation Cache: Prevent concurrent alias map corruption (closes #23518)

Closes #23518 fix(navigation): prevent concurrent alias map corruption

#23508 Code Quality: Resolved warnings

#23506 Micro-optimisations: Delivery API node parse improvement

#23500 Login: Backport removal of @hey-api/openapi-ts from the login project to v17

Fixed in #23501 Login: Remove @hey-api/openapi-ts from the login project (closes #23500)

#23496 Micro-optimisation: Avoid `Activator.CreateInstance` when creating `MediaWithCrops`

#23488 Tiptap RTE: Render `umbLink` via `MarkView` to stop `data-router-slot` attribute leaking into stored HTML

#23483 Micro-optimisations: Improve memory usage for `ReplaceMany` string extension method

#23481 IContentTypeBase.MovePropertyType(alias, null) orphans the property instead of moving it to "generic properties"

Fixed in #23493 Content Types: Fix `MovePropertyType` orphaning the property when moving it to no group (closes #23481)

#23479 Localization: Fix punctuation in resetFocalPoint string

#23475 Content creation and edits fail to save, publish or preview when Basic Authentication is enabled

Fixed in #23539 Basic Authentication: Allow preview requests from an authenticated back-office user (closes #23475)

#23474 Micro-optimisations: Avoid redundant allocations in file name and log filter

#23471 Micro-optimisation: Speed & memory improvements for `CompositeStringStringKey`

#23467 Elements: Fix property-variance parity gaps with Documents

#23460 Log Viewer: Send log viewer date range as local-day instants and honour time portions (closes #14710)

Closes #14710 Log Viewer date selector doesn't work correctly due to browser / server date difference.

#23456 Routing: Add close button to access denied route when displayed in modal (closes #23451)

Closes #23451 Users stuck in “Access denied” modal when opening an item they don't have access to from a picker

#23446 Media library write operations (upload, folder creation) become extremely slow with large item counts

Fixed in #23447 Media: Narrow sibling name-uniqueness fetch so writes scale on large libraries (closes #23446)

#23445 Content Types: Fix stale published cache when property variance changes without content type variance changing

#23439 Backoffice: Tidy up leftover `elementName` constants

#23425 Normalize culture code casing in SetCultureInfo and SetPublishInfo

#23421 Maindom: Broadcast cache instructions without maindom

#23417 Recycle bin restore always cascades to descendants: no option to restore a single node

Fixed in #23448 Recycle bin: Support restoring a document or media item without its descendants at the service level (closes #23417)

#23415 Users: Validate avatar uploads against configured image file types

#23413 Imaging: Respect `ImageFileTypes` configuration in management API factories

#23408 Current User: Re-fetch the current user when authorization is regained after a session timeout

#23403 Table collection view: 'Select all' replaces selection instead of accumulating across pages

Fixed in #23406 Collection Views: Accumulate table selection across pages (closes #23403)

#23392 Block Grid Settings values (cssClasses/customCSS) not migrated to new `values` array after 13→17 upgrade

Fixed in #23404 Migrations: Migrate settings values for block editors when a block has no content values (closes #23392)

#23391 Member Types: Fixed issue with missing icon for workspace design view

#23387 Library: Cannot delete an element folder through the management api after one of its elements has been trashed

Fixed in #23394 Elements: Delete relations when deleting an element folder (closes #23387)

#23384 Fresh install 17 - TypeError: Cannot read properties of undefined (reading ‘api’)

Fixed in #23395 Extension API: Guard against a cleared manifest when an extension is unregistered mid-initialization (closes #23384)

#23379 MIGRATE V13 -> V17: Block without properties in RTE doesn't publish

Fixed in #23383 Block Editors: Preserve published state of property-less blocks on upgrade (closes #23379)

#23372 DateTimeWithTimeZonePicker does not handle min/max config

Fixed in #23373 Date Time Picker: Honour min/max config on the time-zone-aware editors (closes #23372)

#23367 Link and media picker loses media folder context in RTE in V17

Fixed in #23507 Tiptap RTE: Retain media folder context across picker modals (closes #23367)

#23315 IElementContainerPermissionService replacement not reflected in backoffice UI action visibility

Fixed in #23491 Permissions: Respect custom IElementContainerPermissionService for backoffice UI action visibility

#23245 HTML Utilities: Ensure that space is added between all elements in `StripHtmlTags`

Closes #23244 StripHtml method removes space after elements, resulting in words getting combined

#23219 Load balancing: publisher silently stops writing cache instructions after failing to acquire MainDom (cached permanently, needs restart)

#22887 Localization: Type-safe keys for term() and <umb-localize>

#22861 Extension Insights: Migrate Extension collection table view to table kind

#22858 Webhook Delivery: Migrate custom table collection view to generic table kind

#22745 Block workspace: use-after-destroy race condition in async label rendering (getIsNew / getCurrent crash)

Fixed in #23449 Block Workspace: Guard block label render against a destroyed workspace (closes #22745)

#22654 RTE content source structure altered after upgrade from v13 to v17

Fixed in #23489 Tiptap RTE: Preserve block-level elements nested in `<div>` containers (closes #22654)

#22519 Backoffice Performance: Defer decorator controller creation to hostConnected

#22444 Newly added block renders empty until collapse/expand in nested block list

Fixed in #23610 Blocks: Inline Editing Context API Race Condition (Closes #22444)

#22401 Acceptance Tests: Export `UiBaseLocators` in `acceptance-test-helpers`

#21848 Fix: Block thumbnail picker restricted to image files

Closes #20574 Block thumbnail picker should be restricted to image files

#21820 Preview does not refresh the page for custom UrlProvider

Fixed in #23450 Preview: Refresh external preview tabs and their token on repeat preview (closes #21820)

#21819 Tiptap with minimal configuration not loading the css files

Fixed in #23497 Tiptap RTE: Load configured stylesheets regardless of extension styles (closes #21819)

#20797 Bulk publishing in collection doesn't show any loading indicator while in progress

Fixed in #21215 Bulk Actions: Show progress in a shared dialog for bulk publish, unpublish, delete, move & copy (closes #20797)

#19485 v15/v16: Race conditions after UMB_AUTH_CONTEXT -> isAuthorized and private manifests

Fixed in #23409 Extension API: Add userEntryPoint extension type (closes #19485)

#18332 Drag and Drop hint in a Media Folder

Fixed in #22739 Media: drag n drop CTA for Collections and Pickers (Closes #18332)

#16744 Serilog Stackoverflow exception

Fixed in #23423 Logging: Prevent session-id log enricher recursion / stack overflow (closes #16744)

#15243 LogIncompletedScopes was removed but still documented

Fixed in #23424 Scoping: Restore `LogIncompletedScopes` warning for uncompleted child scopes (closes #15243)

#14925 Save & Publish with descendants does not save or publish the actual root node

Fixed in #23554 Publishing: Save the document before publishing it with descendants (closes #14925)