#23484 Authentication: Cookie-based authentication for the backoffice

#22448 Global Elements: Reusable Content of Blocks

#23853 Property Editors: Remove configuration-driven typed models and deprecate the Multi Node Tree Picker

#23849 Property Value Converters: Shadow default converters instead of removing or excluding them

#23834 Database: Remove the connect-timeout fallback for the command timeout

#23756 ModelsBuilder: Default to a models mode that needs no optional package

#23698 Auth: Reuse the backoffice auth cookie to authorize preview

#23634 Partial View: entry point 'Umb.EntryPoint.Partial View' renamed to 'Umb.EntryPoint.PartialView'

#23616 Auth: Leverage the default backoffice auth cookie to view trashed media

#23334 Imaging: Upgrade ImageSharp to v4 (keep v2 as a supported option)

#23195 Tiptap RTE: Adds support for Reusable Content of Blocks

#23060 Variation: Rethink the segment model

#22790 Elements: Contextualize variant blocks rendering for invariant content

#22427 Developer Experience: Reorganize `launchSettings.json` profiles section

#23874 Icons: add custom unlink icon + general icons update

#23872 Tiptap RTE: Show a name label and reference icon on Block entries

#23665 Documents: Inform the user when publishing references unpublished Elements

#23625 Relations: Reference awareness for trash, delete, and publish flows

#23267 Block Editors: Hide "Transfer to Library" action when not allowed

#23186 Block Editors: Inline Editing mode, use workspace modal for Library Elements

#23783 Some Tests Fail on SqlServer

Fixed in #23800 Search: Fix culture-dependent decimal facet parsing and integration tests failing on SQL Server (closes #23783)

#23769 Search: Deffered index build

#23436 Block Editors: Batch-fetch Element Library references

#23271 Search: Index external block elements and reindex referencing documents on element change