- Fix a 1.28 regression in scheduler: a pod with concurrent events could incorrectly get moved to the unschedulable queue where it could got stuck until the next periodic purging after 5 minutes if there was no other event for it. ([#120445](https://github.com/kubernetes/kubernetes/pull/120445), [@pohly](https://github.com/pohly)) [SIG Scheduling]

### Bug or Regression

- Fix OpenAPI v3 not being cleaned up after deleting APIServices ([#120108](https://github.com/kubernetes/kubernetes/pull/120108), [@tnqn](https://github.com/tnqn)) [SIG API Machinery and Testing]
- Fix a concurrent map access in TopologyCache's `HasPopulatedHints` method. ([#120323](https://github.com/kubernetes/kubernetes/pull/120323), [@Miciah](https://github.com/Miciah)) [SIG Apps and Network]

- Fix a panic in kubectl when creating secrets with an improper output type (#106354, @lauchokyip) [SIG CLI]
- Fix concurrent map access causing panics when logging timed-out API calls. (#106113, @marseel) [SIG API Machinery]
- Fixed very rare volume corruption when a pod is deleted while kubelet is offline.

* fix data loss issue if using existing azure disk with partitions in disk mount  ([#63270](https://github.com/kubernetes/kubernetes/pull/63270), [@andyzhangx](https://github.com/andyzhangx))
* Fixed API server panic during concurrent GET or LIST requests with non-empty `resourceVersion`. ([#65092](https://github.com/kubernetes/kubernetes/pull/65092), [@sttts](https://github.com/sttts))

- The `TTLAfterFinished` feature gate is now GA and enabled by default. ([#105219](https://github.com/kubernetes/kubernetes/pull/105219), [@sahilvv](https://github.com/sahilvv))
- The `kube-controller-manager` supports `--concurrent-ephemeralvolume-syncs` flag to set the number of ephemeral volume controller workers. ([#102981](https://github.com/kubernetes/kubernetes/pull/102981), [@SataQiu](https://github.com/SataQiu))

- Added a new metric `apiserver_flowcontrol_request_concurrency_in_use` that shows the number of
  seats (concurrency) occupied by the currently executing requests in the API Priority and Fairness system. ([#102795](https://github.com/kubernetes/kubernetes/pull/102795), [@tkashem](https://github.com/tkashem))

### Bug or Regression

- Fix Topology Aware Hints not working when the `topology.kubernetes.io/zone` label is added after Node creation
  - Fix a data race in TopologyCache when `AddHints` and `SetNodes` are called concurrently ([#117267](https://github.com/kubernetes/kubernetes/pull/117267), [@tnqn](https://github.com/tnqn)) [SIG Apps and Network]

- Enabled concurrent log rotation in kubelet. You can now configure the maximum number of concurrent rotations with the `containerLogMaxWorkers` setting, and adjust the monitoring interval with `containerLogMonitorInterval`. ([#114301](https://github.com/kubernetes/kubernetes/pull/114301), [@harshanaraya...

- Fixed a `v1.28` regression handling negative index json patches. ([#120327](https://github.com/kubernetes/kubernetes/pull/120327), [@liggitt](https://github.com/liggitt))

    - `apiserver_flowcontrol_current_limit_seats`: current derived number of execution seats available to each priority level