anchor.diff:  * Fix handling of fractional time value settings {pull}37171[#37171]
   
   Machine Learning::
  +* [ML] Fix race condition when creating multiple jobs {pull}40049[#40049] (issue: {issue}38785[#38785])
   * [ML] Fix datafeed skipping first bucket after lookback when aggs are … {pull}39859[#39859] (issue: {issue}39842[#39842])
   * [ML] refactoring lazy query and agg parsing {pull}39776[#39776] (issue: {issue}39528[#39528])
   * [ML] Stop the ML memory tracker before closing node {pull}39111[#39111] (issue: {issue}37117[#37117])
  
positive.code: === Bug fixes
  
  Aggregations::
  * Only create MatrixStatsResults on final reduction {pull}38130[#38130] (issue: {issue}37587[#37587])
  * Don't load global ordinals with the `map` execution_hint {pull}37833[#37833] (issue: {issue}37705[#37705])
  * Issue #37303 - Invalid variance fix {pull}37384[#37384] (issue: {issue}37303[#37303])
  
negative.code: 
  Client::
  * Fixed required fields and paths list {pull}39358[#39358]
  
  Cluster Coordination::
  * Expose minimum_master_nodes in cluster state {pull}37811[#37811] (issue: {issue}37701[#37701])
  
  Distributed::
  * Add BWC for retention leases {pull}39482[#39482] (issue: {issue}37165[#37165])
  