Earlier quoted context omitted.
Hopefully I'm not violating copyright by taking this small chunk of their LICENSE.txt, but this appears to be the language that some want clarified: https://github.com/mattermost/mattermost/blob/master/LICENSE... ---- You are licensed to use compiled versions of the Mattermost platform produced by Mattermost, Inc. under an MIT LICENSE - See MIT-COMPILED-LICENSE.md included in compiled versions for details You may be…
"Subject to the exceptions" conflicts with the "no exceptions" wording in the GPL licenses, so I don't even see how any of this constitutes a valid license
https://github.com/mattermost/mattermost/blob/master/LICENSE...