v0.9.0-beta4 is a non-breaking release based on v0.9.0-beta3, change highlights:
- Fixed more JSON-RPC errors when querying for blocks prior to the v0.9.0 upgrade.
- Add option iavl-disable-fastnode to disable iavl fastnode indexing migration.
- Integrate the file state streamer.
- grpc queries runs concurrently.
- update ibc-go and cosmos-sdk to formal releases.