Version 4.2.7

Released on 2020-10-15.


If you are upgrading a cluster, you must be running CrateDB 4.0.2 or higher before you upgrade to 4.2.7.

We recommend that you upgrade to the latest 4.1 release before moving to 4.2.7.

A rolling upgrade from 4.1.7+ to 4.2.7 is supported.

Before upgrading, you should back up your data.

Table of Contents

See the Version 4.2.0 release notes for a full list of changes in the 4.2 series.


  • Fixed an issue that allowed users to create a self-referencing view which broke any further operations accessing table meta data.

  • Prevent dropping of a UDF if it is still used inside any generated column expressions, throw an error instead.