This post is taken from a Wilma Hodges note to the Sakai mailing lists.
I’m pleased to announce on behalf of the worldwide community that Sakai 12.2 is released and available for downloading  !
Sakai 12.2 has 105 improvements  in place including
- 21 fixes in Assignments
- 18 fixes in Tests & Quizzes (Samigo)
- 8 fixes in Gradebook
- 6 fixes in Forums
- 6 fixes in Portal
Other areas improved include:
- Chat Room
- Site Info
- Worksite Setup
There were 2 security issues fixed in 12.2 (details will be sent to the Sakai Security Announcements list).
Please also note the upgrade information page  for important notes related to performing the upgrade. 2 Quartz jobs need to be run to complete the conversion steps for Sakai 12, including a new one for the Job Scheduler in 12.1.
 Downloading information available at – http://source.sakaiproject.org/release/12.2/
 12.2 Fixes by Tool – https://confluence.sakaiproject.org/display/DOC/Sakai+12.2+-+Fixes+by+Tool