mongodb · jeff-allen-mongo · Sep 2, 2021 · Sep 2, 2021
diff --git a/source/includes/changelogs/releases/4.2.16.rst b/source/includes/changelogs/releases/4.2.16.rst
@@ -0,0 +1,83 @@
+.. _4.2.16-changelog:
+
+4.2.16 Changelog
+----------------
+
+Security
+~~~~~~~~
+
+:issue:`SERVER-57727` Race conditions in x509_invalid.js
+
+Sharding
+~~~~~~~~
+
+- :issue:`SERVER-55648` Mongos doesn't return top-level batch-write error in case of shutdown
+- :issue:`SERVER-58909` Missing versions for "admin" and "config" databases migrating to version 4.2
+
+Replication
+~~~~~~~~~~~
+
+- :issue:`SERVER-34938` Secondary slowdown or hang due to content pinned in cache by single oplog batch
+- :issue:`SERVER-36263` Bypassing operation validation in applyOps should require special privilege
+- :issue:`SERVER-37904` Allow a node to override the cluster chaining (enabled/disabled) setting
+- :issue:`SERVER-39621` Disabled chaining should enforce sync source change when the primary steps down even if the oplog fetcher isn't killed on sync source
+- :issue:`SERVER-41875` Should ban "emptyCapped" commands  on  jstestfuzz_concurrent_replication_continuous__stepdown suite for WiredTiger Storage.
+- :issue:`SERVER-50486` invokeWithSessionCheckedOut being called on prepared transactions on secondaries
+- :issue:`SERVER-55465` Fix Invariant upon failed request for a vote from the current primary in the election dry-run of catchup takeover
+- :issue:`SERVER-58258` Wait for initial sync to clear state before asserting 'replSetGetStatus' reply has no 'initialSync' field
+
+Query
+~~~~~
+
+- :issue:`SERVER-55319` [4.2] Invariant failure isVersionInitialized() src/mongo/db/server_options.h 217 after index build completes
+- :issue:`SERVER-58127` Fix benchRun() memory leak for parsing benchRun() args under exception
+
+Build and Packaging
+~~~~~~~~~~~~~~~~~~~
+
+:issue:`SERVER-54729` MongoDB Enterprise Debian/Ubuntu packages should depend on libsasl2-modules and libsasl2-modules-gssapi-mit
+
+Internals
+~~~~~~~~~
+
+- :issue:`SERVER-49237` Add a way for OperationContexts to opt-in to always getting interrupted at stepdown
+- :issue:`SERVER-50547` Explore aggregation pipeline length limit
+- :issue:`SERVER-52728` Upgrade path from MongoDB 2.4 to 4.2 causes config servers to go down
+- :issue:`SERVER-53431` Server should respond running operations with appropriate topologyVersion on stepdown
+- :issue:`SERVER-53726` Platform Support: Remove RHEL6 zSeries
+- :issue:`SERVER-55649` Sharding messages being logged for non-sharded clusters
+- :issue:`SERVER-56489` New pass-through test with random hello server-side delays
+- :issue:`SERVER-56516` Fix undefined behaviour in parsing code for $slice projectional operator
+- :issue:`SERVER-56839` Index seeks concurrent with recently-committed prepared transactions can return wrong results
+- :issue:`SERVER-57033` The AuthorizationManager Cache in 4.2 should use roles as cache key
+- :issue:`SERVER-57064` Log create index and dropIndex(es) on mongos 
+- :issue:`SERVER-57360` Log additional debug info for the "invariant (_requests.empty());" in ~LockerImpl
+- :issue:`SERVER-57642` Invariant Failure on src/mongo/db/query/plan_yield_policy.cpp 75 | Aborting
+- :issue:`SERVER-57650` Make MigrationChunkClonerSource interruptible when waiting response to recipient commands
+- :issue:`SERVER-57798` Direct user to MongoDB Compass download page when failing to install MongoDB Compass due to a connection issue using ./install_compass
+- :issue:`SERVER-57983` Integer overflow for $range in Classic Engine
+- :issue:`SERVER-58169` Log timestamps info on hitting invariants around stable timestamp calculation
+- :issue:`SERVER-58187` Improve Connection Reaper and MongoLDAP performance
+- :issue:`SERVER-58191` [Migrate Protocol] Allow delete_during_migrate.js to tolerate chunk migration failures due to timeout in catchup phase in slow variants.
+- :issue:`SERVER-58283` Add a new versioning file to set MONGO_VERSION and MONGO_GIT_HASH
+- :issue:`SERVER-58313` Fix package test failure caused by SERVER-55460 backport to v4.2 and v4.0
+- :issue:`SERVER-58402` Increase timeout of shutdown command in shutdown_primary.js
+- :issue:`SERVER-58623` Shorten the mongos RSM refresh interval in delayed Hello tests
+- :issue:`SERVER-58826` [4.2] Disallow compact_keeps_indexes.js and explain_shell_helpers .js to run concurrently on parallel suite
+- :issue:`SERVER-59074` Do not acquire storage tickets just to set/wait on oplog visibility
+- :issue:`SERVER-59135` Make mongocryptd targets in MSIs depend on libsasl2
+- :issue:`SERVER-59197` Delete fam image entries when the corresponding session documents are deleted
+- :issue:`SERVER-59242` update to snmp 5.9.1
+- :issue:`SERVER-59262` Remove burn_in_tests tasks from storeFindAndModifyImagesInSideCollection build variants 
+- :issue:`SERVER-59388` Revert BACKPORT-10185
+- :issue:`SERVER-59414` Retry curator setup in powercycle on older branches
+- :issue:`WT-6568` Fix split generation use
+- :issue:`WT-6926` Update WiredTiger source code to include 2021 copyright notices
+- :issue:`WT-7065` Add check for WT_DHANDLE_DEAD to assertion
+- :issue:`WT-7135` Additional checks to detect when writing corrupted metadata
+- :issue:`WT-7437` Upgrade documentation to doxygen 1.8.17
+- :issue:`WT-7675` Query last ckpt timestamp changes without taking checkpoint
+- :issue:`WT-7721` Update test-format to reopen an existing database with different config
+- :issue:`WT-7776` Add a hard limit on the number of modify updates before we instantiate a complete update
+- :issue:`WT-7871` Remove comment that is no longer true
+
diff --git a/source/release-notes/4.2-changelog.txt b/source/release-notes/4.2-changelog.txt
@@ -10,6 +10,8 @@
    :depth: 1
    :class: singlecol
 
+.. include:: /includes/changelogs/releases/4.2.16.rst
+
 .. include:: /includes/changelogs/releases/4.2.15.rst
 
 .. include:: /includes/changelogs/releases/4.2.14.rst

diff --git a/source/release-notes/4.2.txt b/source/release-notes/4.2.txt
@@ -13,6 +13,30 @@ Release Notes for MongoDB 4.2
 Minor Releases
 --------------
 
+.. _4.2.16-release-notes:
+
+4.2.16 - Upcoming
+~~~~~~~~~~~~~~~~~~
+
+Issues fixed in 4.2.16:
+
+- :issue:`SERVER-59074`: Do not acquire storage tickets just to
+  set/wait on oplog visibility
+- :issue:`SERVER-54729`: MongoDB Enterprise Debian/Ubuntu packages
+  should depend on libsasl2-modules and libsasl2-modules-gssapi-mit
+- :issue:`SERVER-39621`: Disabled chaining should enforce sync source
+  change when the primary steps down even if the oplog fetcher isn't
+  killed on sync source
+- :issue:`SERVER-34938`: Secondary slowdown or hang due to content
+  pinned in cache by single oplog batch
+- :issue:`WT-7776`: Add a hard limit on the number of modify updates
+  before we instantiate a complete update
+
+- `All JIRA issues closed in 4.2.16
+  <https://jira.mongodb.org/issues/?jql=project%20in%20(SERVER%2CTOOLS%2CWT)%20AND%20resolution%3D%27Fixed%27%20and%20fixversion%3D%274.2.16%27>`__
+
+- :ref:`4.2.16-changelog`
+
 .. _4.2.15-release-notes:
 
 4.2.15 - Jul 13, 2021