.compile(fpPattern);
  }

  /**
   * Parses the specified string as a double-precision floating point value. The ASCII character
   * {@code '-'} (<code>'&#92;u002D'</code>) is recognized as the minus sign.
   *
   * <p>Unlike {@link Double#parseDouble(String)}, this method returns {@code null} instead of
   * throwing an exception if parsing fails. Valid inputs are exactly those accepted by {@link

- Added a mechanism that calculates a digest of etcd and the watch cache every 5 minutes and exposes it as the `apiserver_storage_digest` metric. ([#130475](https://github.com/kubernetes/kubernetes/pull/130475), [@serathius](https://github.com/serathius)) [SIG API Machinery, Instrumentation and Testing]

* add goroutine to move unschedulable pods to activeq if they are not retried for more than 1 minute ([#72558](https://github.com/kubernetes/kubernetes/pull/72558), [@denkensk](https://github.com/denkensk))

* CSI detach timeout increased from 10 seconds to 2 minutes ([#84321](https://github.com/kubernetes/kubernetes/pull/84321), [@cduchesne](https://github.com/cduchesne))
* Update to use go1.12.12 ([#84064](https://github.com/kubernetes/kubernetes/pull/84064), [@cblecker](https://github.com/cblecker))

- github.com/armon/consul-api: [eb2c6b5](https://github.com/armon/consul-api/tree/eb2c6b5)
- github.com/bifurcation/mint: [93c51c6](https://github.com/bifurcation/mint/tree/93c51c6)
- github.com/caddyserver/caddy: [v1.0.3](https://github.com/caddyserver/caddy/tree/v1.0.3)
- github.com/cenkalti/backoff: [v2.1.1+incompatible](https://github.com/cenkalti/backoff/tree/v2.1.1)

## Changelog since v1.5.2

### Other notable changes

* We change the default attach_detach_controller sync period to 1 minute to reduce the query frequency through cloud provider to check whether volumes are attached or not.  ([#41363](https://github.com/kubernetes/kubernetes/pull/41363), [@jingxu97](https://github.com/jingxu97))

chShortOffset","matchWord","addRegexToken","regex","strictRegex","isStrict","getParseRegexForToken","RegExp","regexEscape","matched","p1","p2","p3","p4","s","tokens","addParseToken","addWeekParseToken","_w","indexOf","YEAR","MONTH","DATE","HOUR","MINUTE","SECOND","MILLISECOND","WEEK","WEEKDAY","x","modMonth","o","monthsShort","months","monthsShortRegex","monthsRegex","monthsParse","defaultLocaleMonths","split","defaultLocaleMonthsShort","MONTHS_IN_FORMAT","defaultMonthsShortRegex","defaultMonths...

* Reduce verbosity of volume reconciler when attaching volumes ([#36900](https://github.com/kubernetes/kubernetes/pull/36900), [@codablock](https://github.com/codablock))
* We change the default attach_detach_controller sync period to 1 minute to reduce the query frequency through cloud provider to check whether volumes are attached or not. ([#41363](https://github.com/kubernetes/kubernetes/pull/41363), [@jingxu97](https://github.com/jingxu97))

* add goroutine to move unschedulable pods to activeq if they are not retried for more than 1 minute ([#72558](https://github.com/kubernetes/kubernetes/pull/72558), [@denkensk](https://github.com/denkensk))

### Bug or Regression

- Kubeadm: fixed the bug where the v1beta4 Timeouts.EtcdAPICall field was not respected in etcd client operations, and the default timeout of 2 minutes was always used. ([#129860](https://github.com/kubernetes/kubernetes/pull/129860), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

### Other (Cleanup or Flake)