- Scheduler now waits for handlers to finish syncing before the scheduling cycles start. ([#116729](https://github.com/kubernetes/kubernetes/pull/116729), [@AxeZhan](https://github.com/AxeZhan))

  rule sets. This means that we cannot use `kubectl apply` to update RBAC roles
  without risking breaking old clients, such as controllers.

- `kubectl delete` no longer scales down workload API objects before deletion.
  Users who depend on ordered termination for the Pods of their StatefulSets
  must use `kubectl scale` to scale down the StatefulSet before deletion.

- Added new Golang runtime-related metrics to Kubernetes components:
  - go_gc_cycles_automatic_gc_cycles_total
  - go_gc_cycles_forced_gc_cycles_total
  - go_gc_cycles_total_gc_cycles_total
  - go_gc_heap_allocs_by_size_bytes
  - go_gc_heap_allocs_bytes_total
  - go_gc_heap_allocs_objects_total
  - go_gc_heap_frees_by_size_bytes