[ANNOUNCE] Apache Druid 0.20.0 release

The Apache Druid team is proud to announce the release of Apache Druid 0.20.0.
Druid is a high performance analytics data store for event-driven data.

Apache Druid 0.20.0 contains over 160 new features, performance
enhancements, bug fixes, and major documentation improvements from 37
contributors. Major new features and improvements include:

  • Vectorization support for expression virtual columns
  • More aggregators with vectorization support
  • OFFSET clauses in SQL and offset parameters for the Scan and GroupBy queries
  • New substring search operators
  • UNION ALL operator for SQL queries
  • Support for all partitioning schemes in auto-compaction
  • A new auto-compaction status API
  • A “combining” InputSource allowing multiple input sources to be combined during ingestion

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

Release notes are at:
https://github.com/apache/druid/releases/tag/druid-0.20.0

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

Congrats to the Apache Druid team for reaching the 0.20.0 release milestone!