Features
- CLI: Add Yarn 2 compatibility (#9866)
Bug Fixes
- Typescript: Add downlevel dts for TS3.5 support (#9902)
- CLI: capture unknown arguments the native way (#9888)
- Core: Use telejson for websockets channel (#9867)
Maintenance
- Build: Upgrade to latest version of eslint config (#9882)
- Typescript: Misc improvements (#9879)
- Misc: Project root cleanup (#9880)