full diff: https://github.com/grpc/grpc-go/compare/v1.23.0...v1.23.1
- grpc/grpc-go#3018 server: set and advertise max frame size of 16KB
- grpc/grpc-go#3017 grpclb: fix deadlock in grpclb connection cache
- Before the fix, if the timer to remove a SubConn fires at the
same time NewSubConn cancels the timer, it caused a mutex leak
and deadlock.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
885232b72f