Earlier quoted context omitted.
Did you try setting your User Agent to Chrome? I have to use Teams for work. Under Firefox it has problems and missing features, setting my user agent to Chrome solves all of it. Highly uncompetitive if you ask me.
Thank you. That tip might lessen my need to use Brave for sites only working in Chrome.
Source: https://techblog.willshouse.com/2012/01/03/most-common-user-...