anchor.diff:  
   CCR::
   * Add ccr follow info api {pull}37408[#37408] (issue: {issue}37127[#37127])
  +
  +CRUD::
  +* Make `_doc` work as an alias of the actual type of an index. {pull}39505[#39505] (issue: {issue}39469[#39469])
   
   Features/ILM::
   * [ILM] Add unfollow action {pull}36970[#36970] (issue: {issue}34648[#34648])
  
positive.code: * Replace the TreeMap in the composite aggregation {pull}36675[#36675]
  
  SQL::
  * SQL: change the default precision for CURRENT_TIMESTAMP function {pull}39391[#39391] (issue: {issue}39288[#39288])
  * SQL: add "validate.properties" property to JDBC's allowed list of settings {pull}39050[#39050] (issue: {issue}38068[#38068])
  * SQL: Allow look-ahead resolution of aliases for WHERE clause {pull}38450[#38450] (issue: {issue}29983[#29983])
  
negative.code: * Add getZone to JodaCompatibleZonedDateTime {pull}37084[#37084]
  
  Infra/Settings::
  * Provide a clearer error message on keystore add {pull}39327[#39327] (issue: {issue}39324[#39324])
  * Separate out validation of groups of settings {pull}34184[#34184]
  
  License::
  