Version 4.5.5

Released on 2021-07-20.


If upgrading a cluster, you must be running CrateDB 4.0.2 or higher before you upgrade to 4.5.5.

We recommend that you upgrade to the latest 4.4 release before moving to 4.5.5.

A rolling upgrade from 4.4.0+ to 4.5.5 is supported.

Before upgrading, you should back up your data.

Table of Contents

See the Version 4.5.0 release notes for a full list of changes in the 4.5 series.


  • Fixed an issue that could lead to NULL values getting returned when using a _doc['columnName'] expression in the ORDER BY clause. Prior to 4.6.0 this also affected INSERT INTO statements on top level columns.

  • Fixed an issue that caused a class cast error when trying to import records from a CSV file into a partitioned table using the COPY FROM statement.