DOCS-14399 finalize release 4.2.14 changelog

Author: andf-mongodb

source/includes/changelogs/releases/4.2.14.rst

@@ -57,6 +57,8 @@ Internals
 - :issue:`SERVER-55395` 4.0.23 does not build with gcc 10
 - :issue:`SERVER-55602` Relax non-read-only invariant in WiredTigerKVEngine::makeTemporaryRecordStore when recoverToOplogTimestamp is specified
 - :issue:`SERVER-55753` Use w: majority for createCollection command in transactions_committed_with_tickets_exhausted.js
+- :issue:`SERVER-56164` All performance projects use the master DSI branch
 - :issue:`SERVER-56371` Upgrade timelib to 2021.06
+- :issue:`SERVER-56451` [4.2] update test for backup API to retry on conflict with checkpoint thread
 - :issue:`WT-7373` Improve slow random cursor operations on oplog
 

source/release-notes/4.2.txt

@@ -15,8 +15,8 @@ Minor Releases
 
 .. _4.2.14-release-notes:
 
-4.2.14 - Upcoming
-~~~~~~~~~~~~~~~~~
+4.2.14 - May 6, 2021
+~~~~~~~~~~~~~~~~~~~~
 
 Issues fixed in 4.2.14: