anchor.diff:  * Docs: Allow snippets to have line continuation {pull}32649[#32649]
   
   Engine::
  +* Do not alloc full buffer for small change requests {pull}35158[#35158]
   * Fill LocalCheckpointTracker with Lucene commit {pull}34474[#34474] (issues: {issue}0[#0], {issue}2[#2], {issue}33656[#33656])
   * Lock down Engine.Searcher {pull}34363[#34363] (issue: {issue}34357[#34357])
   * Fold EngineSearcher into Engine.Searcher {pull}34082[#34082]
  
positive.code: * Apply settings filter to get cluster settings API {pull}33247[#33247]
  
  Snapshot/Restore::
  * Do not override named S3 client credentials {pull}33793[#33793] (issue: {issue}33769[#33769])
  * Ensure fully deleted segments are accounted for correctly {pull}33757[#33757] (issues: {issue}32844[#32844], {issue}33689[#33689], {issue}33755[#33755])
  
  
negative.code: * Fix use of hostname in Windows service {pull}34193[#34193]
  * Add temporary directory cleanup workarounds {pull}32615[#32615] (issue: {issue}31732[#31732])
  
  Percolator::
  * Ignore date ranges containing 'now' when pre-processing a percolator query {pull}35160[#35160]
  
  REST API::
  * Core: Fix IndicesSegmentResponse.toXcontent() serialization {pull}33414[#33414] (issue: {issue}29120[#29120])
  
  Recovery::
  * Resync fails to notify on unavaiable exceptions {pull}33615[#33615] (issues: {issue}31179[#31179], {issue}33613[#33613])
  