Version 4.5.3

Released on 2021-06-22.


If upgrading a cluster, you must be running CrateDB 4.0.2 or higher before you upgrade to 4.5.3.

We recommend that you upgrade to the latest 4.4 release before moving to 4.5.3.

A rolling upgrade from 4.4.0+ to 4.5.3 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 a regression introduced in 4.5.2 which caused aggregations on virtual tables using a primary key lookup to fail. An example:

    SELECT count(*) FROM (
      SELECT * FROM users WHERE id = ? AND (addr is NULL)
    ) AS u;