Release Date: 14 December 2021
Neo4j 4.4.1 is a maintenance release with many important improvements and fixes.

Highlights

  • Update Log4j to 2.15.0 to address CVE-2021-44228
  • Fixes a bug where queries like MATCH (a:A) RETURN count(a.prop) would return the wrong results if there is a uniqueness constraint on label A and property prop
  • Fix unnecessary Eager planned between MATCH and MERGE on different labels.
  • Fixes exception “org.neo4j.exceptions.CypherTypeException: Property values can only be of primitive types or arrays thereof” thrown when concatenating a list with an empty list.
  • CSV Import: add support for array data types point[], date[], time[], datetime[], localtime[], localdatetime[], duration[]
  • Bug fix: Neo4j now also accepts datetime expressions including an offset of times immediately after switching from summer time to winter time.

Detailed Changes and Docs

For the complete list of all changes, please see the changelog. Look for 4.4 Operations manual here.

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