MongoDB 4.2.20-rc0 is released

MongoDB 4.2.20-rc0 is out and is ready for testing. This is a release candidate containing only fixes since 4.2.19. The next stable release 4.2.20 will be a recommended upgrade for all 4.2 users.


Fixed in this release:

  • SERVER-64983 Release Client lock before rolling back WT transaction in TransactionParticipant::_resetTransactionState
  • SERVER-60412 Host memory limit check does not honor cgroups v2
  • SERVER-64642 Fix error where mongos returns CallbackCanceled and not InterruptedAtShutdown on shutdown
  • SERVER-59435 Fix a double free inside DocumentSource::optimizeAt()
  • SERVER-41714 $facet operator duplicates documents in the pipeline when preceded by $addFields and $match operators (in this exact order)
4.2 Release Notes | All Issues | All Downloads

As always, please let us know of any issues.

-- The MongoDB Team