- Event payloads
- Time triggers
- Promise triggers
- Hierarchical state machines
- Ignoring events
- Async transitions (in progress)
- Persistence support
- Global hooks
- Clarify how guard conditions work
- Entry, exit, and transition action parameters
- Project website (in progress)
- Hierarchical state machines
- Clarify that final states don't need to be explicitly defined
- Execution order of entry, exit, and transition actions and global hooks
- Recursive events & event queue
- API reference