5.6.6 Release Notes

Also see Breaking changes in 5.6.

Bug fixes

Index Templates
  • Prevent constructing an index template without index patterns #27662
Network
  • Only bind loopback addresses when binding to local #28029 (issue: #1877)
Plugin Repository HDFS
  • Fix SecurityException when HDFS Repository used against HA Namenodes #27196
Search
  • Use the underlying connection version for CCS connections #28093
  • Fix routing with leading or trailing whitespace #27712 (issue: #27708)
Settings
  • Allow index settings to be reset by wildcards #27671 (issue: #27537)
Snapshot/Restore
  • Fail restore when the shard allocations max retries count is reached #27493 (issue: #26865)

Upgrades

Ingest
  • update ingest-attachment to use Tika 1.17 and newer deps #27824