"Unsupported browser" from Slack

As of today, I can no longer load Slack in browser.
Does someone have a workaround?

OSX 10.15.3
Brave Version 1.35.104 Chromium: 98.0.4758.109 (Official Build) (x86_64)

Same issue, Windows 11, Brave Version 1.36.109 Chromium: 99.0.4844.51 (Official Build) (64-bit).

@aaronbauman , @wmhunter ,

When I just visited, Slack web site is complaining that AutoPlay is blocked (I have it blocked):

brave://settings/content/autoplay?search=autoplay

–

And, Developer Tools > Network . . . shows that some timing issue exists between at least 2 events in the traffic between Slack and Brave Browser, so portions of the Slack website reload, repeatedly.

I used Brave Browser to visit Slack, last week, and the problem did not exist, then.

There is in the traffic, a (host name “a.slack-edge.com”) hint, that Slack has determined, that Brave Browser is to be recognized as Microsoft Edge browser.

–

UPDATED 2022-03-04 Friday

Possibly, you need to use “Sites that can always use cookies” at:

brave://settings/cookies

and “Allowed to use javascript” at:

brave://settings/content/javascript

–

Quit Brave Browser. Start Brave Browser and have open, ONLY a New Window . . . and enter the brave URL’s above, as they apply, for the following sources for the cookies and javascripts.

cookies

slack.com
www.youtube-nocookie.com
js.driftt.com

javascript

a.slack-edge.com
slack.com
www.slack.com
presence.api.drift.com

Whatever the issue was, it seems resolved now. Slack is loading in Brave normally again.