- Fixed a bug where `craft\events\RegisterElementSourcesEvent::$context` wasn’t always set to `modal` when defining the available element sources for an element selection modal.
- Fixed a styling bug where multi-line checkbox labels within the Customize Sources modal weren’t wrapping properly. ([#12717](https://github.com/craftcms/cms/issues/12717))
- Fixed a bug where asset thumbnails within collapsed Matrix blocks weren’t loading when the block was expanded. ([#12720](https://github.com/craftcms/cms/issues/12720))
- Fixed a bug where custom fields’ database columns would get deleted when applying project config changes, if the field type wasn’t present. ([#12760](https://github.com/craftcms/cms/issues/12760))