Breaking Changes Addon-backgrounds: Zero config defaults (#11460) Features Composition: Add version query to composed ref (#11447) UI: Add version release notes (#11360) Maintenance Addon-controls: Add addon-docs check on startup (#11458) Addon-docs: Remove deprecated addParameters calls (#11455) Composition: Change event source to ref (#11392) Fix Yarn 2 compatibility in CLI and Essentials (#11444)