<ul>
<li>CustomCommands: Adapt to the changes in https://github.com/google/flatbuffers/releases/tag/v23.5.8 by dropping the (unused) JSON commands format.</li>
<li>Rename GrpcController -> GrpcServer</li>
<li>Additional debug info for request timeouts</li>
<li>gRPC controller: log request before lock to provide better feedback if the lock can't be acquired.</li>
</ul>
<p>The removals and name changes are not user-facing and thus non-breaking.</p>