I've also been seeing this in Firefox for the past couple weeks or so. The video quality will default to "Auto-1080p" or similar but it will be visibly much wo

I've also been seeing this in Firefox for the past couple weeks or so. The video quality will default to "Auto-1080p" or similar but it will be visibly much worse than 1080p quality. Switching to 1080p manually seems to be the only way to get good quality.