Release Date: 12 May 2021
Neo4j 4.1.9 is a maintenance release with many important improvements and fixes.


  • Bump Netty to 4.1.63
  • Fix an issue where creating or altering a user and setting their username and password to the same parameter would fail
  • Admin commands stop using the ‘Xms’ heap setting
  • Fix a bug where a transaction might be rolled back when performing multiple writes where the database catalog is changed concurrently.
  • Fixes an issue with the length and size functions returning 1 instead of throwing an error for unsupported input values

Detailed Changes and Docs

For the complete list of all changes, please see the changelog. Look for 4.1 Operations manual here.