[druid-user] [ANNOUNCE] Apache Druid 0.22.1 release

The Apache Druid team is proud to announce the release of Apache Druid 0.22.1.
Druid is a high performance analytics data store for event-driven data.

Apache Druid 0.22.1 is a bug fix release that fixes some security
issues. Major fixes include:

- Update log4j to 2.15.0 to address CVE-2021-44228
- JsonConfigurator no longer logs sensitive properties
- Update axios to 0.21.4 to address CVE-2021-3749
- Update netty4 to 4.1.68 to address CVE-2021-37136 and CVE-2021-37137

Source and binary distributions can be downloaded from:
https://druid.apache.org/downloads.html

Release notes are at:

A big thank you to all the contributors in this milestone release!