#22995 Performance: Fix bottleneck when a Tiptap editor appears on a document

#22666 Delivery API: Generate typed OpenAPI schemas per content type

#21431 Global Elements: Initial implementation

#21058 Open API: Use `Microsoft.AspNetCore.OpenApi` for Open API document generation

#22728 Code Tidy: Remove obsolete `MoveEventInfo.NewParent`

#22713 Code Tidy: Remove unused obsoleted `InstalledPackage` mapping

#22693 Dependencies: Bump selected NuGet packages to latest versions

#22692 Code Tidy: Remove obsolete code scheduled for removal in Umbraco 18 (`UmbracoApiController` and front-end API auto-routing)

#22689 Elements: Clean up the remaining TODOs

#22682 Code Tidy: Remove obsolete code scheduled for removal in Umbraco 18 (`UrlSegment` extension method)

#22679 Code Tidy: Clean up further obsoleted code scheduled for removal in Umbraco 18 (`LogFiles`, legacy permissions tables, `LoggerConfigExtensions`)

#22678 Code Tidy: Clean up further obsoleted code scheduled for removal in Umbraco 18 (`IMemberService.GetMembersByPropertyValue`)

#22677 Code Tidy: Clean up further obsoleted code scheduled for removal in Umbraco 18 (`ILocalizationService`)

#22675 Code Tidy: Clean up further obsoleted code scheduled for removal in Umbraco 18 (`IFileService`)

#32 [Breaking change]: Replace `Swashbuckle.AspNetCore` with `Microsoft.AspNetCore.OpenApi` for Open API document generation

#22642 Code Tidy: Clean up further obsoleted code scheduled for removal in Umbraco 18 (`IEmailSender`, `MemberConfigurationResponseModel`, `MediaPermissions`)

#22638 Code Tidy: Make name non-nullable on content/element/media/member constructors

#22634 Code Tidy: Clean up obsoleted code scheduled for removal in Umbraco 18 (`IDataTypeService`)

#22632 Code Tidy: Clean up obsoleted code scheduled for removal in Umbraco 18 (`IMemberGroupService`)

#22629 Code Tidy: Clean up obsoleted code scheduled for removal in Umbraco 18 (`IDomainService`, `IContentTypeBaseService`)

#22618 Migrations: Removed obsoleted `MigrationBase` and all migrations between old and current LTS (13-17)

#31 [Breaking change]: Umbraco UI Library 2.0 — consolidation to a single package

#22558 Hosting: Make `IHostingEnvironment.ApplicationMainUrl` nullable

#22369 Hybrid Cache: Element cache

#22357 Code Clean-up (18): Resolve V18 TODO comments

#22335 Code Clean-up (18): Remove obsoleted code flagged for removal (Part 3)

#30 [Breaking change]: Casing on EF Core code constructs

#22223 Content Types: Granular content type change types

#22217 Webhooks: Change the default payload type to "minimal"

#22155 Dependencies: Upgrade NUnit and related test dependencies to latest major versions

#22137 Code Clean-up (18): Remove obsoleted code flagged for removal (Part 2)

#22060 Dependencies: Update selected dependencies to latest major versions

#21984 Deprecations: Client-side removal of v18 deprecated code

#21980 Code Clean-up (18): Remove obsoleted code flagged for removal and address `TODO` comments

#21877 Elements: Add flag support for pending changes and scheduled publish

#21743 Templates: Rename "Master Template" to "Layout Template"

#21637 Global Elements: Refactor content and element repositories into a common base

#21374 Entities: Prevent changing Key property on existing entities

#20124 Obsolete Code: Remove obsolete methods and constants relating to allowed application and start node claims

#18 [Breaking change]: Access claims will be removed from `ClaimsIdentity` in V18

#22966 Background Jobs: Refine RecurringBackgroundJobBase API

#22734 V18: Reverts removal of `property-value-change` event listeners

#23167 External login: wait for app-entry-points before the login provider decision

#23135 Let the external login button show "sign in with {providername}" in languages

#22925 Global Elements: Trashed item restore, checks "Move" permission

#22922 Element Picker: fixes "Not Found" name on removal prompt

#22915 Entity Data Picker: Fix "Not Found" in remove dialog for entities without a top-level name

#22869 V18: Beta UI adjustments

#22831 System information: Adds `__uuiVersions` to sysinfo output

#22824 UI: UI Library adjustments for v18

#22814 v18 login photo

#22808 [BUG]: Cannot change the default UI language on the Login screen

Fixed in #22822 Localization: Honor DefaultUILanguage on initial load (closes #22808)

#22793 UI: v2 adjustments

#22749 Elements: Disable inaccessible parent folders in element tree

#22743 Login: Reuse backoffice localization (closes #20082)

#22731 Backoffice: Add localize.htmlString() helper to prevent XSS in HTML-rendered translations

#22674 Elements: Add elements to the backoffice global search

#22631 Content Rollback: Add notification message meta property

#22591 Login: Consume sibling Umbraco.Web.UI.Client by source for v18 parity

#22527 Resizing workspace results in unnecessary scrollbar due to inline width on block grid entry element

Fixed in #22928 Block Grid: Fix inline create button width not updating on workspace resize (closes #22527)

#22518 Create options in List View overflow the page

Fixed in #22521 Dropdown: Collection create dropdown overflows viewport (closes #22518)

#21040 Don't switch tab on ctrl + click

Fixed in #22829 Prevent active tab changing on ctrl + click

#19572 Avoid Premature Validation

Fixed in #21815 Form Control: only validate if value was changed during focus

#18670 Missing Loading Indicator & Disabled UI on Save/Publish Actions in Backoffice

Fixed in #22554 Workspace Actions: Restore waiting state for buttons with additional options (closes #18670, #20593)

Also fixes #20593 When saving one or more variants - no visual indicator to editor for long or slow requests

#22818 SignalR: Mark `ServerEventSender` as a distributed cache notification handler

#22774 Open API: Add fluent builder for registering custom backoffice OpenAPI documents

#22760 Open API: Skip operation ID generation for non-controller endpoints

#22733 Delivery API: Fix broken discriminator mapping refs for polymorphic schemas

#22712 Management API: Override document-level security on AllowAnonymous endpoints

#22710 Delivery API: Drop $type discriminator from response payloads

#22598 Management API: Refactor element tree controllers to use start node filter service

#23183 build(deps): bumps @umbraco-ui/uui to 2.0.0

#23117 Tags: Expand `ITagService` to handle Elements

#23113 Dependencies: Update MessagePack to 3.1.7 to address security advisories

#23084 Published Cache: Fix multi-site domains falling back to the first root node after restart

#23076 Failing integration tests in branch 18.0.0-rc3

#23072 Element tree `children` API returns no items for elements nested under an element container until app restart

Fixed in #23074 Elements: Invalidate the id/key map when an element container is deleted (closes #23072)

#23053 18: Content Notifications options not translated and possibly misplaced

Fixed in #23059 Elements: Hide element actions from the document notifications dialog (closes #23053)

#23043 Localisation: Translate the "Library" section header into other languages

#23033 Background Jobs: Resolve server role so recurring jobs run when no application URL is configured

#23018 V18 RC: OpenAPI browser doesn't work when running in IIS

Fixed in #23045 OpenAPI: Disable XML documentation source generator (closes #23018)

#23010 Library: Cannot delete element folder from recycle bin when it is set as a start node for a user

Fixed in #23011 Elements: Clear user and user group start node references when deleting an element container (closes #23010)

#22957 Performance: Embed package root manifests into umbraco-package.ts to reduce startup requests

#22944 Performance: Embed implementations directly in core manifests to reduce startup network requests

#22942 Backoffice: Swap relative imports to @umbraco-cms/backoffice module imports in core packages

#22935 Global Elements: Workspace hotfix for `'Unique is missing'` warning

#22921 Collections: Replace direct filter pass-through in collection server data sources

#22917 Image Cropper: Improve contrast of append label in crop options editor (closes #22878)

Closes #22878 Low contrast at input append

#22911 Deleted Elements are still findable by key after recycle bin is emptied.

Fixed in #22940 Cache: Invalidate element GUID-keyed cache on delete (closes #22911)

#22896 Performance: Coalesce JavaScript chunks around the Backoffice to reduce the number of requests

#22885 Extension template: Use backoffice JSON options and other fixes

#22875 Blueprints: Fix UdiEntityTypeHelper.ToUmbracoObjectType() for document blueprint containers

#22874 Elements: Fix UdiEntityTypeHelper.ToUmbracoObjectType() for Element entities

#22873 Elements: Fix GetUdi() extension methods for Element entities

#22859 IRecurringBackgroundJob with Period = TimeSpan.Zero causes CPU hot loop on Subscriber / non-MainDom / non-Run servers

#22838 Core: Preserve path case in ShadowFileSystem

#22827 build(deps): bumps @umbraco-ui/uui from 2.0.0-alpha.1 to 2.0.0-rc.1

#22800 Cannot save property value from variant composition in invariant content

Fixed in #22846 Content Editing: Fix save composition values on invariant content and save of default segment (closes #22800, #22865)

Also fixes #22865 Segment values for the default segment are not saved

#22799 Content: Ensure correct variant change tracking when unpublishing variant content

#22798 Empty Recycle Bin button does not work in Library section

#22773 `dotnet watch` breaks when editing cshtml files

Fixed in #22999 Developer Experience: Improve cohost editor polyfill to work with dotnet watch (closes #22773)

#22770 Element access nodes are not displayed in the Access summary section for users

Fixed in #22779 18.0-beta1: User Management: Invalidate cached element start nodes on user save and fix access summary display (closes #22770)

#22768 Folder displays "{unknown}" in breadcrumb of trashed element

Fixed in #22780 18.0-beta1: Elements: Show trashed folder ancestor names in breadcrumb (closes #22768)

#22767 Discard Changes dialog appears immediately after creating new content with Rich Text Editor

#22741 Color picker doesn't update label if color is the same

Fixed in #22761 Color Picker: Refresh stored label when data type label changes (closes #22741)

#22735 Build: Upgrade @hey-api/openapi-ts to 0.97

#22727 Clarified BackOfficeTokenCookieSettings obsoletion message

#22715 Update SupportsBlockLayoutAlias obsoletion timeframe

#22706 Elements: Add the Library section to the admin group on upgrade

#22696 Code Tidy: Remove package validation suppression files

#22670 Templates: Update Umbraco extension template for OpenAPI route changes

#22647 Third-party Management API clients have no path to 401/auth recovery

Fixed in #22736 Auth: Un-deprecate getLatestToken and route per-request fetches through it (closes #22647, #22816)

#22646 Severe performance regression in IPublishedContent.Children()/tree traversal in v17 despite full cache seeding

Fixed in #22742 Children/Descendants: improve traversal performance (closes #22646)

#22641 Global Elements: Localize bulk publish/unpublish notifications

#22640 Translation "dashboard" shows duplicate keys

Fixed in #22750 Dictionary: Order SQL before `FetchOneToMany` to prevent duplicate items in collection view (closes #22640)

#22633 Global Elements: Implements `auditLog` and `contentRollback` kinds for History and Rollback

#22627 Enable single blocklist migration

#22617 Change Element migrations to a premigrations

#22585 Elements: Published element extensions

#22496 Output Caching: Evict cached documents when a related element is published

#22454 Document Types: Prevent disabling isElement when elements of that type exist

#22405 Elements: Align `ElementPermissionService` for performance improvements

#22396 Document Types: Show message for non-applicable Element Type settings

#22391 Management API: Fix ambiguous constructor in PasswordConfigurationPresentationFactory

#22362 Elements: Clear element entity cache on content type changes

#22331 Background Jobs: Rewrite `RecurringHostedServiceBase` with `SemaphoreSlim` and add signalling support

#22302 Elements: Add PublishedCultures and UnpublishedCultures to ElementCacheRefresher

#22299 Localization: Remove unused recycleBin keys from XML language files

#22297 User Permissions: Resolve and persist element start node IDs when updating a user

#22274 Global Elements: User permissions for Element Folders

#22265 Global Elements: Create options with allowed types and `entityCreateOptionAction` extensions

#22255 Global Elements: Adds "Start Node" and "Ignore User Start Nodes" to Element Picker configuration

#22247 Inconsistent casing of "EFCore" in IEfCoreScope vs IEFCoreScopeProvider

Fixed in #22313 EF Core: Align casing of EF Core code constructs (closes #22247)

#22228 Global Elements: Element Tree Item "Draft" state

#22154 Elements: Clean up container relations before deleting them

#22142 Elements: Fixes `HasChildren` for Element Folder entities

#22139 Library: remove library sidebar app + menu

#22012 Elements: Add missing notifications to element container and element editing services

#21994 UUI: Updates to UI Library version 2.0.0-alpha.1

#21979 Elements: Add missing documentation endpoint attributes

#21974 Collection Action: Refactor to use extension-with-api-slot

#21906 Elements: Split content type validation for create and update

#21897 Global Elements: Workspace UI updates: split view, variant selector, save modal, and pending changes

#21875 Global Elements: Add "Allowed in library" toggle to Document Type structure view

#21872 Global Elements: Recycle Bin UI

#21867 Recycle Bin: Adds destination overrides to `restoreFromRecycleBin` entity-action kind

#21839 Content Version Cleanup: Include element versions in the background cleanup job

#21836 Repository Caches: Fix GUID cache key prefix in PublishableContentRepositoryBase

#21814 Elements: Replace block keys on element copy and save

#21796 Elements: Add scheduled publishing support for elements

#21795 Elements: Treat local elements as global elements

#21777 Elements: Add audit log retrieval endpoint and UI support

#21737 Global Elements: UI refinements, element picker and constants tidy-up

#21729 Elements: Add permission-based filtering to element tree endpoints

#21727 Global Elements: Exports all constants for `@umbraco-cms/backoffice/element`

#21725 Elements: Fix delete blocked by trash-tracking relation

#21723 Elements: Add AllowedInLibrary flag to content types with dedicated endpoint

#21712 Global Elements: Rollback UI

#21711 Global Elements: Workspace Validation UI

#21710 Global Elements: Reference Tracking UI

#21697 Elements: Add webhooks support

#21601 Elements: Add reference settings support

#21562 Elements: Implement validation for Element editing endpoints

#21556 Elements: Add restore from recycle bin functionality

#21547 Elements: Add missing delete permission conditions to recycle bin actions

#21543 Elements: Fix folder link in recycle bin list view

#21542 Elements: Display trashed state in Element workspace info panel

#21501 Elements: Add Elements access to data type, document type, and relation authorization policies

#21481 Elements: Add reference tracking and recycle bin query support

#21452 Elements: Add admin group element permissions during upgrade

#21390 Elements: Fix element recycle bin node insertion on SQL Server

#21385 Elements: Add default and granular permissions for Element controllers

#21384 Elements: Remove invalid templateId from ElementVersionDto index definitions

#21375 Elements: Element start node permissions

#21340 fix(media): allow focal point to be set to null in image cropper

Closes #21273 Not able to set focal point to null in umb-image-cropper-focus-setter

#21255 Password set / reset from email - Generic format error

Fixed in #22880 Reset password: Add inline validation messaging for password pattern requirements (closes #21255)

#21145 GetDictionaryValue should return null when the value is not found

Fixed in #21372 Umbraco Helper: Align `GetDictionaryValue` nullability with behaviour (closes #21145)

#20132 Content editor breadcrumb no longer wraps like it did in v13

Fixed in #22323 Content Editor: Fix workspace footer breadcrumb overflow hiding (closes #20132)