- Support Ractors
- Signal (SIGINT) trap handling
- Completion for Ruby's code
- Interactive breakpoint setting
- Interactive record & play debugging
- irb integration
- Web browser integrated UI
- History file
- Breakpoints
- Lightweight pending method break points with Ruby 3.1 feature (TP:method_added)
- Watch points
- Lightweight watchpoints for instance variables with Ruby 3.1 features (TP:ivar_set)
- Faster
next/finishcommand by specifying target code.