Release v3.5.6

[serathius]

This issue tracks fixes for next v3.5.5 patch release.

Issues blocking the release:

• Timestamp in inconsistent format (all seconds) in ETCD(v 3.5) logs for fileutil/fileutil.go  #14736
• Manipulating Keys and Manipulating Users Concurrency Causes Segmentation Violation in Client #14764
  • clientv3: do not refresh token when users use CommonName based authentication #14770
  • Backport to v3.5
• Revision inconsistency caused by panic during defrag #14685
  • etcdserver: call the OnPreCommitUnsafe in unsafeCommit #14730
  • [3.5] etcdserver: call the OnPreCommitUnsafe in unsafeCommit #14733
• 3.5.5: client auth failures on new member first startup #14571
  • server: add unit test to cover the case of refreshing auth info when etcd recovers from a snapshot #14647
  • [3.5] server: refresh auth info when etcd recovers from a snapshot #14648
• watch stream return "permission denied" if token expired #12385
  • *: handle auth invalid token and old revision errors in watch #14322
  • Backport PR 14322 to release-3.5 #14547
• Fixed unexpected cancelled watch with WatchID=0. #14296
  • *: avoid closing a watch with ID 0 incorrectly #14563
• etcd pod stuck at bootstrap and kept "failed resolving host" #7798
  • netutil: add url comparison without resolver to URLStringsEqual #13224
  • Automated cherry pick of #13224 #14572 #14573
• client/v3: Add backoff before retry when watch stream returns unavailable #14556
  • [3.5] client/v3: Add backoff before retry when watch stream returns unavailable #14582
• runtime: goroutine stack exceeds 1000000000-byte limit #14603
  • clientv3: fix the implementation of double barrier #14604
  • [3.5] clientv3: fix the implementation of double barrier #14658

Skipped

• ETCD-3.5.5 : panic: failed to recover v3 backend from snapshot #14749

[serathius]

cc @ahrtr

[ahrtr]

Most likely #14749 is the same issue as #14685. FYI. #14749 (comment)

[serathius]

With #14799 merged and #14749 not going anywhere I'm starting the release process.

[serathius]

Release was published