2021-02-11 release announcement draft

Hi,

Attached is a draft of the release announcement for the upcoming
2021-02-11 cumulative update release. Please review for technical
accuracy (I did screen for typos, but would not be surprised if any
slipped in).

Please provide feedback on this thread no later than 2020-02-10 AoE[1].

Thanks!

Jonathan

[1] https://en.wikipedia.org/wiki/Anywhere_on_Earth