- Dropped archived dependency: Removed the deprecated and archived dependency: github.com/pkg/errors in favor of standard Go error handling.

        } catch (final Exception e) {
            logger.warn("Failed to delete index: indexName={}", indexName, e);
        }
        return false;
    }

    /**
     * Rebuilds configuration indices with the latest mappings using atomic alias switching.
     * Only indices matching the specified target prefixes are rebuilt.
     * For each index: creates a backup, reindexes data, creates a new index, reindexes from backup,

    * Custom apiservers built with the latest apiserver library will have the 100MB limit on the body of resource requests as well. The limit can be altered via ServerRunOptions.MaxRequestBodyBytes.

- Update to latest cAdvisor 0.55.0 in our vendor dependencies ([#135829](https://github.com/kubernetes/kubernetes/pull/135829), [@dims](https://github.com/dims)) [SIG Node]

## Changelog since v1.5.7

### Other notable changes

* Update dnsmasq to the latest version. ([#53149](https://github.com/kubernetes/kubernetes/pull/53149), [@bowei](https://github.com/bowei))

- Fix VMSS LoadBalancer backend pools so that the network won't be broken when instances are upgraded to latest model ([#81411](https://github.com/kubernetes/kubernetes/pull/81411), [@nilo19](https://github.com/nilo19))

- Bug fixes: Make sure we include latest packages node #351 (@caseydavenport) ([#84163](https://github.com/kubernetes/kubernetes/pull/84163), [@david-tigera](https://github.com/david-tigera)) [SIG Cluster Lifecycle]

	* Add redirect support to SpdyRoundTripper ([#44451](https://github.com/kubernetes/kubernetes/pull/44451), [@ncdc](https://github.com/ncdc))

	* Duplicate recurring Events now include the latest event's Message string ([#46034](https://github.com/kubernetes/kubernetes/pull/46034), [@kensimon](https://github.com/kensimon))

* Bug fixes:

### Bug or Regression

- Fix missing delete events on informer re-lists to ensure all delete events are correctly emitted and using the latest known object state, so that all event handlers and stores always reflect the actual apiserver state as best as possible ([#115900](https://github.com/kubernetes/kubernetes/pull/115900), [@odinuge](https://github.com/odinuge)) [SIG API Machinery]

- Update the latest validated version of Docker to 20.10 ([#98977](https://github.com/kubernetes/kubernetes/pull/98977), [@neolit123](https://github.com/neolit123)) [SIG CLI, Cluster Lifecycle and Node]