IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Elasticsearch version 6.6.2edit
Also see Breaking changes in 6.6.
Breaking changesedit
- Authentication
-
- Disable BWC mode in TokenService by default #38881
Enhancementsedit
- SQL
Bug fixesedit
- Authentication
- Engine
- Machine Learning
- SQL
-
- Fix merging of incompatible multi-fields #39560 (issue: #39547)
- Ignore UNSUPPORTED fields for JDBC and ODBC modes in SYS COLUMNS #39518 (issue: #39471)
- Use underlying exact field for LIKE/RLIKE #39443 (issue: #39442)
- Enforce JDBC driver - ES server version parity #38972 (issue: #38775)
- Fall back to using the field name for column label #38842 (issue: #38831)
- Normalized keywords shouldn’t be allowed for groupings and sorting [ISSUE] #35203
- Search
- Watcher