- Improved performance of the job controller when handling job delete events. ([#127378](https://github.com/kubernetes/kubernetes/pull/127378), [@hakuna-matatah](https://github.com/hakuna-matatah))
- Improved performance of the job controller when handling job update events. ([#127228](https://github.com/kubernetes/kubernetes/pull/127228), [@hakuna-matatah](https://github.com/hakuna-matatah))

          System.out.println("Response 2 succeeded: " + response);
        } catch (IOException e) {
          System.out.println("Response 2 failed: " + e);
        }
      }
    ```

### Handling authentication ([.kt][AuthenticateKotlin], [.java][AuthenticateJava])

- Fix cronjob controller handling of complex schedules, like "30 6-16/4 * * 1-5", for example ([#119137](https://github.com/kubernetes/kubernetes/pull/119137), [@kmala](https://github.com/kmala)) [SIG Apps]

// string.
//
// See:
// http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMetadata.html
//
// You should avoid the following characters in a key name because of
// significant special handling for consistency across all
// applications.
//
// Rejects strings with following characters.
//
// - Backslash ("\")
//
// additionally minio does not support object names with trailing SlashSeparator.

    /**
     * Handle a witness event
     *
     * @param notification the witness notification
     */
    private void handleWitnessEvent(WitnessNotification notification) {
        log.info("Handling witness event: {} for resource: {}", notification.getEventType(), notification.getResourceName());

        switch (notification.getEventType()) {
        case RESOURCE_CHANGE:

		p.errorf("expected g or R0 through R15; found %s", name)
		return 0
	}
	return uint16(reg)
}

// Note: There are two changes in the expression handling here
// compared to the old yacc/C implementations. Neither has
// much practical consequence because the expressions we
// see in assembly code are simple, but for the record:
//

    * Fix kubernetes-master charm starting services before TLS certs are saved

    * Fix kubernetes-worker charm failures in LXD

    * Fix stop hook failure on kubernetes-worker charm

    * Fix handling of juju kubernetes-worker.restart-needed state

    * Fix nagios checks in charms

## Changes since v1.2.1

### Other notable changes

* Trusty: Update heapster manifest handling code ([#23434](https://github.com/kubernetes/kubernetes/pull/23434), [@andyzheng0831](https://github.com/andyzheng0831))

   * a checked exception. This makes {@code Future} more suitable for lightweight, fast-running
   * tasks that, barring bugs in the code, will not fail. This gives it exception-handling behavior
   * similar to that of {@code ForkJoinTask.join}.
   *
   * <p>Exceptions from {@code Future.get} are treated as follows:
   *
   * <ul>

* - Fix handling of IPv6 URLs in NO_PROXY. ([#53898](https://github.com/kubernetes/kubernetes/pull/53898), [@kad](https://github.com/kad))