- Tree-sitter scope colors are wrong while the user is previewing other themes
- Put back react support for .js and .tsx
- Folding-range provider https://code.visualstudio.com/api/references/vscode-api#FoldingRangeProvider
- Extend-selection provider https://code.visualstudio.com/api/references/vscode-api#SelectionRangeProvider
- Document highlight provider https://code.visualstudio.com/api/references/vscode-api#DocumentHighlightProvider