Elasticsearch version 6.8.6edit

Also see Breaking changes in 6.8.

Enhancementsedit

Features/Watcher
  • Log attachment generation failures #50080
Infra/Packaging
  • Restrict support for CMS to pre-JDK 14 #49123 (issue: #46973)

Bug fixesedit

Aggregations
  • Avoid precision loss in DocValueFormat.RAW#parseLong #49063 (issue: #38692)
Audit
Authentication
  • Fix iterate-from-1 bug in smart realm order #49473
CCR
  • CCR should auto-retry rejected execution exceptions #49213
Features/Java High Level REST Client
  • Support es7 node http publish_address format #49279 (issue: #48950)
Machine Learning
Recovery
  • Ignore Lucene index in peer recovery if translog corrupted #49114
Reindex
  • Fix delete- and update-by-query on indices without sequence numbers #50077