Release notes for Umbraco-CMS v13.12.0
Target release date: Thursday, November 20 2025
Contributors
Of the 18 bug fixes and feature additions in release/13.12.0, a total of 7 of them have been contributed by the community, by 6 unique contributors.
We're welcoming 2 brand new contributors who have made their first pull request for Umbraco-CMS. Welcome to the contributor club: Arjan, bhcoder 🏆
All community contributors to this release
⭐ = First pull request to Umbraco-CMS
UI and UX updates
1
#20190 UX: Fix overflow of `umb-editor-header` if the description is locked and too long
Other
17
#20729 Dependencies: Update dotnet sdk and node development dependency to latest secure version of current major (13)
#20709 Incorrect usage of IOptionsMonitor causes memory leaks
#20686 Backoffice Caching: Added cache buster for block list stylesheets (closes #20683)
#20575 ContentPublishedNotification - The value for includeDescendants is not passed in the notification
#20498 Grid (Legacy): Fix for RTE drag and drop issue (closes #16591)
#20425 Repositories: v13 UserService.GetAllInGroup fix
#20343 Unexpected issues caused by the Umbraco:CMS:Runtime:MaxRequestLength setting
#20335 Prevent RTE being marked as dirty when content contains empty paragraph
#20272 Stackoverflow exception on webhooks when delivery api is not registered
#20208 Property editors: Ensure values no longer allowed as options in checkbox list configuration are removed from the value, such that they will be removed from the persisted data when saved
#20202 Media Picker: Implement paging
#20200 Link rendering: Add support for `UrlMode` parameter in `HtmlLocalLinkParser`
#20129 Querying extensions: Allow `ContentAtRoot()` to accept culture
#17839 Umbraco require Microsoft.CodeAnalysis.Common (v4.10.0) which is not compatible with EF Core 8.0
#16988 Unable to unlock locked-out member in +03:00 (more than 00:00) time zone
#15411 Content delivery API returns incorrect language version for multinode treepicker used inside shared blocklist field
#15289 Allow fetching multiple content and media by `Guid` and `Udi`