We applied the DiscourseConnect fix across all browsers. The later global fix was specific to Chrome, but it should also target Edge/Brave thanks to their user agent strings:
Edge: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36 Edg/97.0.1072.55'
And Brave apparently doesn’t customize the default chrome user agent