v0.12.0 - RC1

This is a Release Candidate for v0.12.0. Please test and file bugs against it.

Note that RC builds are not signed:

• On Mac: Right-click on focalboard.app, and click open (you might need to do this twice).
• On Windows: If you see a Windows Defender dialog, click "more info" and "run anyway"

Also, note that self-installed desktop builds store files separately from the App Store versions.

To install / upgrade on Mattermost 6.0+: See install guide here.
To upgrade Personal Server: See upgrade guide here.

Major updates in this release:
*Change notifications. Thanks @wiggin77!
*Person avatars. Thanks @asaadmahmood!
*Updated comment sort order. Thanks @asaadmahmood!

• This is a partial list, to be updated with many, many additional contributions!