anchor.diff:   * Use simpler write-once semantics for HDFS repository {pull}30439[#30439]
    * User proper write-once semantics for GCS repository {pull}30438[#30438]
    * Use stronger write-once semantics for Azure repository {pull}30437[#30437]
  - * Use simpler write-once semantics for FS repository {pull}30435[#30435] 
  + * Use simpler write-once semantics for FS repository {pull}30435[#30435]
    * Do not fail snapshot when deleting a missing snapshotted file {pull}30332[#30332] (issue: {issue}28322[#28322])
    * Repository GCS plugin new client library {pull}30168[#30168] (issue: {issue}29259[#29259])
    * Fail snapshot operations early on repository corruption {pull}30140[#30140] (issues: {issue}29649[#29649])
  
positive.code:  * Add x-opaque-id to search slow logs {pull}31539[#31539] (issue: {issue}31521[#31521])
  
  Machine learning::
  * If a {ml} datafeed is configured to use cross cluster search to retrieve data, 
  the remote clusters must have {xpack} installed and a valid licence for {ml}. 
  If the licence requirements are not met, datafeeds using cross cluster search 
  will not start. {pull}31247[#31247]
   * Use default request durability for .ml-state index {pull}32233[#32233]
   * Return statistics about forecasts as part of the job stats and usage API {pull}31647[#31647] (issue: {issue}31395[#31395])
  
negative.code: * Rest High Level client: Add List Tasks {pull}29546[#29546] (issue: {issue}27205[#27205])
  
  Machine learning::
  * Detectors now support {stack-ov}/ml-rules.html[custom rules] that enable the
  user to improve machine learning results by providing some domain-specific
  knowledge in the form of rule. {ml-pull}119[#119], {pull}31110[#31110], {pull}31294[#31294] (issue: {issue}31110[#31110])
  * Reverse engineer Grok patterns from categorization results {pull}30125[#30125]
  
  Mapping::
  * Add support for field aliases. {pull}32172[#32172] (issues: {issue}23714[#23714], {issue}31372[#31372])
  * Add an option to split keyword field on whitespace at query time {pull}30691[#30691] (issue: {issue}30393[#30393])
  * The new <<mapping-ignored-field,`_ignored`>> field enables you to know which
  fields got ignored at index time because of the <<ignore-malformed,`ignore_malformed`>>
  option. ({pull}29658[#29658]) (issue: {issue}29494[#29494])
  
  