etcd-io__etcd/CHANGELOG-4.0.md

v4.0.0 (TBD)

See code changes and v4.0 upgrade guide for any breaking changes.

Breaking Changes

• Deprecate v2 storage backend.
  • v2 API is still supported via [v2 emulation]().
• clientv3.Client.KeepAlive(ctx context.Context, id LeaseID) (<-chan *LeaseKeepAliveResponse, error) is now clientv4.Client.KeepAlive(ctx context.Context, id LeaseID) <-chan *LeaseKeepAliveResponse.
  • Similar to Watch, KeepAlive does not return errors.
  • If there's an unknown server error, kill all open channels and create a new stream on the next KeepAlive call.