MongoDB 4.4.18-rc0 is released

MongoDB 4.4.18-rc0 is out and is ready for testing. This is a release candidate containing only fixes since 4.4.17. The next stable release 4.4.18 will be a recommended upgrade for all 4.4 users.


Fixed in this release:

  • SERVER-66289 $out incorrectly throws BSONObj size error on v5.0.8
  • SERVER-61185 Use prefix_search for unique index lookup
  • SERVER-68115 Bug fix for "elemMatchRootLength > 0" invariant trigger
  • SERVER-50454 Avoiding sending the "keyValue" field to drivers on duplicate key error
  • SERVER-69443 Allow speculative majority reads in multi-doc txns when --enableMajorityReadConcern=false
4.4 Release Notes | All Issues | All Downloads

As always, please let us know of any issues.

-- The MongoDB Team
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