- Files with extension '.q' are no longer indexed or parsed as R files. (#4696)
- Add automated crash handling and reporting
- Upgrade internal JSON parsing engine for speed improvements (#1830)
- Improved ergonomics for history prefix navigation (#2771)
- Make columns resizable in the Environment pane (#4020)
- Add Word Count command (#4237)
- Add "Safe Mode" for opening sessions without profile scripts or workspace restoration (#4338)
- PowerShell Core option in terminal (Windows-only)
- Custom terminal shell option for Windows desktop (previously only on Mac, Linux, and server)
- Keyboard shortcuts for main menu items on RStudio Server (e.g. Ctrl+Alt+F for File menu)
- Show number of characters when entering version control commit messages (#5192)
- Fix stale processes when invoking child R processes with large command lines (#3414)