Elasticsearch version 6.8.9edit

Enhancementsedit

Authorization
  • Remove synthetic role names of API keys as they confuse users #56005
Infra/Core
  • Enable helpful null pointer exceptions #54853
Snapshot/Restore
  • Update the HDFS version used by HDFS Repo #53693

Bug fixesedit

CCR
  • Retry follow task when remote connection queue full #55314
  • Clear recent errors when auto-follow successfully #54997
  • Handle no such remote cluster exception in ccr #53415 (issue: #53225)
CRUD
  • Reduce deprecation warnings from bulk OCC #53911
Engine
  • Ensure no circular reference in translog tragic exception #55959 (issue: #55893)
Features/CAT APIs
  • Cat tasks output should respect time display settings #54536
Infra/Core
  • Avoid StackOverflowError if write circular reference exception #54147 (issue: #53589)
  • Disallow negative TimeValues #53913 (issue: #54041)
Network
  • Fix use of password protected PKCS#8 keys for SSL #55457 (issue: #8)
  • Add support for more named curves #55179 (issue: #55031)
Reindex

Upgradesedit

Engine
  • Upgrade to Lucene 7.7.3 #55897