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- 21.1.0-RC1 - 2021 Jan 27
- 21.1.0-RC2 - 2021 Feb 10
- 21.1.0 (full release) - 2021 Feb 24
- 21.1.1 - 2021 Mar 10 (Cut early: March 8)
- 21.1.2 - out of band release, March 15
- 21.1.3 - 2021 Mar 24
- 21.1.3 4 - 2021 Apr 7
- 21.1.4 5 - 2021 Apr 14
21.4.x Series
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