Features:
- File browser sidebar – toggle with Cmd+B, open a folder with Cmd+Shift+O or drag from Finder
- Auto-detect markdown from content in scratch tabs
- New lines inherit correct line spacing immediately
Fixes:
- Fixed scroll jumping when typing at end of long files
- Fixed line numbers disappearing after editing
- Fixed current line highlight covering two lines on the last line
- Fixed markdown preview not loading for file-backed tabs (sandbox)
- Fixed gutter not updating when line spacing changes