# general

Xiang Fu

12/13/2021, 9:53 PM
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Hello Community,

We are pleased to announce that Apache Pinot 0.9.1 is released!

Apache Pinot is a realtime distributed OLAP datastore, designed to answer OLAP queries with low latency use-cases.

This is a bug fix release that includes the upgrade to the latest log4j library, v2.15.0. This is our response to CVE-2021-44228.

The release can be downloaded at <>

The release note is available at <>

Additional resources -
Project website: <>
Getting started: <>
Pinot developer blogs: <>
Intro to Pinot Video: <>

Join Pinot Community -
Twitter: <>
Meetup: <>
Slack channel: <>

Best Regards,

Apache Pinot Team
❤️ 5
👍 22

Mike Davis

12/14/2021, 8:16 PM
Thanks all for getting this out so quickly. Are there any known compatibility concerns before upgrading from
Also it appears that a new CVE is requiring an upgrade to log4j 2.16.0 😞

Xiang Fu

12/15/2021, 4:30 AM
Saw this, we will patch 0.9.2 for this. The upgrade from 0.8.0 to 0.9.x should be no compatible issue.

Mike Davis

12/15/2021, 5:20 PM