### Other notable changes

* AWS: Add ap-south-1 to list of known AWS regions ([#28428](https://github.com/kubernetes/kubernetes/pull/28428), [@justinsb](https://github.com/justinsb))
* Back porting critical vSphere bug fixes to release 1.3 ([#31993](https://github.com/kubernetes/kubernetes/pull/31993), [@dagnello](https://github.com/dagnello))

    }
    return dest;
  }

  /**
   * Returns a synchronized (thread-safe) multimap backed by the specified multimap. In order to
   * guarantee serial access, it is critical that <b>all</b> access to the backing multimap is
   * accomplished through the returned multimap.
   *
   * <p>It is imperative that the user manually synchronize on the returned multimap when accessing

    }
    return dest;
  }

  /**
   * Returns a synchronized (thread-safe) multimap backed by the specified multimap. In order to
   * guarantee serial access, it is critical that <b>all</b> access to the backing multimap is
   * accomplished through the returned multimap.
   *
   * <p>It is imperative that the user manually synchronize on the returned multimap when accessing

                haveAttributes = false;

                // This seems to be the only way to obtain a reliable (with respect to locking) file size here
                // It is more critical than other attributes because append mode depends on it.
                // We do only really care if we open for writing and not shared for writing

- Reduce critical section in watchcache to fix kube-apiserver scalability under heavy load of list requests ([#122027](https://github.com/kubernetes/kubernetes/pull/122027), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery]

## Dependencies

- github.com/docker/libnetwork: [c8a5fca](https://github.com/docker/libnetwork/tree/c8a5fca)
- github.com/gliderlabs/ssh: [v0.1.1](https://github.com/gliderlabs/ssh/tree/v0.1.1)
- github.com/go-critic/go-critic: [1df3008](https://github.com/go-critic/go-critic/tree/1df3008)
- github.com/go-lintpack/lintpack: [v0.5.2](https://github.com/go-lintpack/lintpack/tree/v0.5.2)
- github.com/go-ole/go-ole: [v1.2.1](https://github.com/go-ole/go-ole/tree/v1.2.1)

  * Mark all static pods on the Master node as critical to prevent preemption ([#47356](https://github.com/kubernetes/kubernetes/pull/47356), [@dashpole](https://github.com/dashpole))

- Kubeadm: explicitly set `priority` for static pods with `priorityClassName: system-node-critical` ([#119117](https://github.com/kubernetes/kubernetes/pull/119117), [@champtar](https://github.com/champtar)) [SIG Cluster Lifecycle]

- Changed Linux swap handling to restrict access to swap for containers in high priority Pods.
  New Pods that have a node- or cluster-critical priority are prohibited from accessing swap on Linux,

    *   Refactors `NNAPI` Delegate to support detailed reason why an operation
        is not accelerated.
    *   Converts hardswish subgraphs into atomic ops.
*   Other
    *   Critical stability updates for TPUs, especially in cases where the XLA
        compiler produces compilation errors.
    *   TPUs can now be re-initialized multiple times, using
        `tf.tpu.experimental.initialize_tpu_system`.