Only version 3 (typescript only) have updates. Version 2 (flow type based is stable and usable)
| Version | Supported | |
|---|---|---|
| 3.x.x | ✅ | Supported and maintained. |
| 2.x.x | ✅ | Supported but not maintained. |
| 1.x.x | ❌ | Usable but strongly disccouraged |
Add an issue. Usually i try to answer within 48hours.