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Firefox and Messenger FB call

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I am using facebook messenger to video call. The other person can hear and see me just fine. I can hear them, and I can see myself in the little vanity window, but their picture does not show on the screen.

I am using facebook messenger to video call. The other person can hear and see me just fine. I can hear them, and I can see myself in the little vanity window, but their picture does not show on the screen.

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It's not my camera or mic that's the issue. I've given access to firefox to use my cam and mic. The issue is the other person's side is completely black screen. I can hear them fine. If I switch to chrome, which I hate, fb messenger video calls work and I can see the person i'm calling. On firefox it will work at random. Sometimes I can see them sometimes I can't. I'm on the current version of firefox so I don't know what else to do on my end. There's a whole reddit thread with this issue as well (images if you don't want to click the link), so it's not just me with this problem. https://www.reddit.com/r/firefox/comments/zke4we/sudenly_video_in_messenger_on_fb_is_black/

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