Notable features (1)

• Reintroduce tabs

Breaking changes (2)

• Reintroduce tabs
• Automatically create emtpy SQL CE database with unattended install

Accessibility (1)

• Bugfix: Accessibility in Tabs - Ensure the selected tab is properly exposed to aria-selected

API and API documentation updates (1)

• Don't cache AuthenticationController calls including GetRemainingTimeoutSeconds

Block editor (2)

• Settings Model is not updated, if template is changed after content is created
• 8.7RC Get generic BlockListItem settings model type from configuration

Dependencies (2)

• Update to noUiSlider v15.3.0
• Updating Angular and jQuery to the latest available version

Developer experience (6)

• `IEmailSender` not registered in DI container
• Decouple NuCache.Property from NuCache.PublishedSnapshot
• Remove requirement to specify icon class in umb-icon directive
• Adding [DebuggerDisplay] attribute to core published content classes …
• Include MediaService extensions in project
• Automatically create emtpy SQL CE database with unattended install

Localization (1)

• Missing nl translation for blockEditor_addBlock

Performance (10)

• Don't eagerly acquire distributed (SQL) locks
• Improve nested content optimization in the backoffice
• Replace use of dynamic type with POCOs
• Avoid creating a new string for the log level every log message
• Avoid generating the maindom hash twice to get the Id.
• Avoid allocating an array every call to IsClientSideRequest()
• Dispose X509Certificate2 handle in https check
• Avoid array allocations for splitting csv tags
• Dispose RNGCryptoServiceProvider
• Fix message template to not mix string interpolating and formatting.

UI and UX updates (25)

• "True/false" value change is not replicated on variant in split view when toggled
• Parenthesis around node name when using variants
• Reintroduce tabs
• #10572 watch model value
• Check invariant name of custom listview
• Password tip not updated correct on init
• UI improvement: Add option to select/deselect all filters in Log Viewer drop-down
• Implement drag start and drag stop events
• Inherit text color from parent element
• Adjust styling of umb-file-icon
• Add button to reset focal point on umb-image-gravity directive
• Streamline <umb-progress-bar> and <umb-progress-circle>
• Media picker 3 preview with checkered background
• Remove restricted image size when opening media
• Check if umbFileDropzone has queued items before showing ChooseMediaTypeDialog
• Grid: Add button styling fix
• Grid: labels offset fix
• Bugfix for #10927 - Body steal focus when opening folder overlay
• Make the overlay size width in multiurlpicker configurable
• Suggestion: Extend markdown editor settings for overlay width
• Suggestion: Add config setting in Rich Text Editor to control the linkpicker overlay size
• Introduce overlaysize prevalue editor
• Fix incorrect attribute in hidden prevalue attribute
• Adjust icon size in umb-checkbox
• Align sortable handle vertically in multivalues prevalue editor

V9 (1)

• v9: SQL error when trying to create a new property on a tab that is inherited from a Composition (SQL CE and LocalDB)

Other features (3)

• Allows replacing MainDom with alternate DB
• Exclude "Server" header from excessive check if the value is "cloudflare"
• Allow to pass in boolean to noDirtyCheck directive

Bugfixes (12)

• EditorModelEventManager does not emit SendingContentModel event on adding / editing block item to the BlockList dditor
• File Upload extensions isn't validated
• Multi-URL Picker does not save values when used in a nested block list item when using the new tabs feature
• v9: Nested Content not rendered when group name contains "System".
• V9: Saving document types generates new property group unique keys on each save.
• Fixes: Cannot migrate from Umbraco 7 to Umbraco 8 with v8.14+ because userId 0 is skipped over
• Update to noUiSlider v15.4.0
• 9908: No parentheses & language picker with only 1 language
• Save and publish using super user id
• emit formSubmitting when submitting change in multi url picker dialog
• Fix self-closing tags which should have a end-closing tag
• Fix string interpolation for health check messages