#16815 Improve dotnet templates

#16958 Remove warnings from Umbraco.Web.UI

#16830 Add Content-Security-Policy (CSP) health check

#16496 Making method ExecuteAsync virtual

#15929 Update valid reasons to not have a template on a content node to include having umbracoRedirect

#16921 Stripped username before login

#18045 Cannot view "Options" section under "Add/Edit Property" screens.

#17130 Move all V14 User and User Group migration to pre-migrations

#17107 "Edit permissions for this Document Type" gives APIError

#17062 Updated nuget packages

#17056 V14: Remove Rollback Permission from user group has no effect

#17052 Allow client to send language values, that user cannot persist

#17028 Add notification alias to document notifications endpoint output

#17026 Add endpoint for upgrade checks

#17003 v14 richtext editor not showing any block options

#16997 Updated the assembly names to avoid a debug-warning in the log

#16983 Attended upgrade from v10 > v13 > v14 fails due to missing 'umbracoUser.key' column

#16978 V14: Fix templates not having set master template on package install

#16967 V14: Extensions of type `AppEntryPoint` are not being executed on the login screen

#16957 Can not customize CSS for login page

#16949 Clicking Insert Block In RTE redirects to frontpage of backoffice

#16939 Fix `IContentBase.GetUdi()` extension method to support document-blueprint entity type

#16933 Support parentId in document/media item search endpoints

#16910 improve missingProperties data returned for missing propertie values

#16907 V14: Align permissions for audit log

#16876 Inactive Users showing up in the event log of a deleted Media item

#16859 Cannot get variantId of property

#16844 Small overlay is slim compared to old backoffice

#16832 Fix for MemberDefaultLockoutTimeInMinutes lockout time

#16826 Infinite Editing should not close when there is validation errors

#16664 14.1.0-RC1 Image cropper in a block doesn't save

#16656 [v14] Block level validation UI missing

#16641 Changing a property name also changes the alias even when the alias is locked

#16632 MNTP dynamic root doesn't work inside block list elements

#16544 Use version of the assembly with the same name as the package ID (for telemetry data)

#16440 V14: Missing client-validation when creating Data Type without name

#16414 V14.0.0-RC4: Cannot focus lock icon in alias

#16380 I can create a property for a doctype without entering a label or selecting a property editor

#16376 Trying to save a node without name gives "Bad Request" error

#16298 V14-RC3: BlockList inline editing mode does not work

#16168 V14-RC2: Document types, possible to create a property without a label

#16162 V14-RC2 - Image Upload field datatype doesn't add new row on return

#16158 V14-RC2: Colour Picker Datatype - Tab and return behavior when adding colours to is incorrect

#16686 [BUG]: Property can be created without an editor

#15908 Cache a dictionary of dictionaries

#15424 Add `RemoveDefault()` extension method to fluent API for CMS webhook events