### SIG Scheduling

- The equivalence class cache has been redesigned to be a two level cache, resulting in a significant increase in scheduling throughput and performance. ([#65714](https://github.com/kubernetes/kubernetes/pull/65714), [@resouer](https://github.com/resouer))

- Enhanced the Dynamic Resource Allocation (DRA) with an updated version of the resource.k8s.io API group. The primary user-facing type remains the ResourceClaim, however significant changes have been made, resulting in the new version, v1alpha3, which is not compatible with the previous version. ([#125488](https://github.com/kubernetes/kubernetes/pull/125488), [@pohly](https://github.com/pohly)) [SIG API Machinery, Apps, Auth,...

### Bug or Regression

- Correct event registration for multiple scheduler plugins; this fixes a potential significant delay in re-queueing unschedulable pods. ([#109446](https://github.com/kubernetes/kubernetes/pull/109446), [@ahg-g](https://github.com/ahg-g)) [SIG Scheduling and Testing]

## Changelog since v1.22.9

## Changes by Kind

### Bug or Regression

- Correct event registration for multiple scheduler plugins; this fixes a potential significant delay in re-queueing unschedulable pods. ([#109447](https://github.com/kubernetes/kubernetes/pull/109447), [@ahg-g](https://github.com/ahg-g)) [SIG Scheduling and Testing]