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Release Notes

Get an overview of the things changed and fixed in each version of Umbraco UI Builder.

This section summarizes the changes and fixes introduced in each version of Umbraco UI Builder. Each release includes a link to the UI Builder issue tracker, where you can find a list of resolved issues. Individual issues are also linked for more details.

If there are any breaking changes or other issues to be aware of when upgrading, they are also noted here.

If you are upgrading to a new major version, check the breaking changes in the Version Specific Upgrade Notes article.

Release History

Below are the release notes for Umbraco UI Builder, detailing all changes in this version.

18.1.0 (September 28th 2026)

  • Added a Collection Picker property editor, so you can pick one of your registered collections as a field value. See the Collection Picker discussion.

  • Fixed the sticky bulk-action bar not staying pinned to the bottom of a child or related collection #244.

  • Fixed an entity's own edit tab showing a generic "Content" label and icon instead of the collection's own name and icon #243.

18.0.8 (September 21st 2026)

  • Fixed a filterable property's description not showing in the backoffice when set with SetDescription() #239.

  • Fixed the save and create notifications showing the wrong or missing name for collections configured with SetNameFormat() #240, #241.

  • Added an isDefault option to AddAllDataView() so it can be used as the default data view #238.

  • Fixed a child collection failing to load when it was the only collection in a group added with AddChildCollectionGroup() #242.

18.0.7 (September 14th 2026)

  • Fixed picked entities not showing as selected in the Entity Picker for Related Collections fields #233.

  • Fixed removing existing Related Collections relations not working #234.

  • Fixed updating existing Related Collections relations through the Entity Picker not working #235.

  • Fixed the save notification not using a custom name format set with SetNameFormat #236.

18.0.6 (September 7th 2026)

  • Fixed action notifications failing with an error when they contained non-ASCII characters such as å, æ, or ø #232

18.0.5 (August 17th 2026)

  • Fixed a collection configured with MakeReadOnly() still being selectable #231

18.0.4 (July 29th 2026)

  • Fixed custom repository save errors not showing a notification in the backoffice #230

18.0.3 (July 27th 2026)

  • Fixed the collection workspace heading showing the internal collection alias instead of the configured collection name #229

  • Fixed collection names returning the singular name in place of the plural, affecting the section dashboard cards, grouped collection tabs, and Entity Picker configuration #229

18.0.2 (July 16th 2026)

  • Fixed read-only fields displaying JSON as [object Object]; JSON values now render as formatted text #222

18.0.1 (July 13th 2026)

  • Fixed the editor modal not closing when the entity being edited is deleted #228

  • Fixed the summary dashboard showing incorrect totals #227

  • Fixed the MultipleChoice filter editor failing to render #226

  • Fixed the Entity Picker showing nothing when maxItems is set to 0 #225

  • Fixed repository save methods on new-entity insert with the NPoco backend (regression in 17.1.0) #224

  • Fixed a 403 insufficient_access error on the Data Type endpoint for users without Content/Media section access #218

  • Fixed FileActionResult not showing an error notification when an exception occurs #217

  • Fixed the Entity Picker missing when the foreign key is non-nullable #187

  • Fixed the Import Action not working with a custom Data Type #178

  • Fixed Block List throwing an error on save #123

18.0.0 (June 23rd 2026)

  • First stable release of Umbraco UI Builder for Umbraco 18.

18.0.0-rc1 (June 4th 2026)

  • Initial release candidate for Umbraco v18.

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