Viewing: Umbraco-CMS v17.3.1
Released: Wednesday, April 8 2026

Release notes for Umbraco-CMS v17.3.1

Released on: Wednesday, April 8 2026

Other 4
HQ Member

#22355 Umbraco 17.3 regression: crashes on startup if wwwroot/media/ directory doesn't exist

release/17.3.1
by hifi-phil created on Apr 6, 2026
Fixed in HQ #22281 Install: Ensure media directory exists before creating `PhysicalFileProvider` (closes #14877, #22355)
rdjohnston-sjgov

#22349 After upgrading from 17.2.2 to 17.3.0 I am unable to select a folder with the media picker.

type/bug state/reproduced affected/v17 release/17.3.1
by rdjohnston-sjgov created on Apr 3, 2026
Fixed in HQ #22350 Media Picker: Fix folder selection regression for developer-configured media pickers (closes #22349)
Also fixes andr317c #21885 V17 Unable to select a media folder as an "Image Upload Folder"
giano574

#22344 UmbracoBuilderExtensions.AddWebComponents() should be idempotent: duplicate umbraco-ready health check registration when combined with AddBackOffice()/AddCore()

type/bug release/17.3.1
by giano574 created on Apr 3, 2026
Fixed in HQ #22347 Builder Extensions: Make `AddWebComponents()` idempotent (closes #22344)
laputaworkuk

#22339 Upgrade to V17.3 have sql exception

type/bug affected/v17 release/17.3.1
by laputaworkuk created on Apr 2, 2026
Fixed in HQ #22340 Document URL Service: Batch delete of obsolete URL segment records to avoid SQL Server parameter limit (closes #22339)