Release notes for previous releases

• 4.1 - July 2015
• 4.2 - October 2015
• 4.3 - January 2016
• 4.4 - May 2016
• 4.5 - October 2016
• 4.6 - April 2017
• 4.7 - January 2018
• 4.8 - May 2018
• 4.9 - December 2018
• 4.10 - July 2019
• 4.11 - November 2019
• 4.12 - May 2020

The checklist contains instructions to ensure that a release covers all important things and provides a reliable format for tarballs, branch names etc.

• checklist

Upcoming release

Please add to the release notes as changes are added:

• 4.13 - November 2020