12.0.0-beta.11
Pre-release
      Pre-release
    
        💥 Breaking Change
- Have String.charCodeAtreturnoption<int>; addString.charCodeAtUnsafe. #7877
- Remove support of JSX children spread. #7869
🚀 New Feature
- Add Array.filterMapWithIndexto Stdlib. #7876
🐛 Bug fix
- Fix code generation for emojis in polyvars and labels. #7853
- Add resettoexperimental_featuresto correctly reset playground. #7868
- Fix crash with @geton external of typeunit => 'a. #7866
- Fix record type spreads in inline records. #7859
💅 Polish
- Reactivate optimization for length of array literals. #7872
- Float.isNaN: use- Number.isNaNinstead of global- isNaN. #7874