🐛 Fixes
- [core] Don't throw from overlays when document.body is null (#8331)
- Preserve design token references in generated CSS (#8288)
💡 Improvements
- Migrate control components to CSS variables (#8318)
- [core] Make checkbox mark colors customizable (#8319)
Full Changelog: @blueprintjs/core@6.21.0...@blueprintjs/core@6.22.0