Backward/forward compatibility checks
---
Check these boxes or delete any item (or this section) if not relevant for this PR.
- [x] Client+Server: this change is compatible with old servers
- [x] Client forward compatibility: this change ensures client can accept data intended for later versions of itself
Note on protobuf: protobuf message changes in one place may have impact to
multiple entities (client, server, worker, database). See points above.
Describe your changes
Protoc changes to to support batching
Backward/forward compatibility checks
--- Check these boxes or delete any item (or this section) if not relevant for this PR. - [x] Client+Server: this change is compatible with old servers - [x] Client forward compatibility: this change ensures client can accept data intended for later versions of itself Note on protobuf: protobuf message changes in one place may have impact to multiple entities (client, server, worker, database). See points above.