Bugs
- Fix #3969: relist will not trigger sync events
- Fix #4049: properly populate exception metadata with resource information if available
- Fix #4222: backport of #4082 - to not process events until the cache is complete
- Fix #4246: KubernetesClientException is swallowed in LeaderElector
- Fix #4295: Configure SnakeYaml to ignore converting timestamps to Date objects