(In reply to Frederik Braun [:freddyb] from comment #2) > I have observed a similar problem, when trying to start pip on a video that has not yet loaded. Yep, thanks for the tip. I can easily reproduce this on youtube by limiting the internet connection, select a random video and activate PiP while the circle is spinning (the video is loading). That being said I tried searching for a regression range but I didn't find one because the issue is happening way back to Firefox 67.0a1 (20190212195904), which is the last build that has "media.videocontrols.picture-in-picture.enabled" pref for picture in picture. So I think it's safe to assume that the issue is not a regression. Removing the flags.
Bug 1596116 Comment 3 Edit History
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(In reply to Frederik Braun [:freddyb] from comment #2) > I have observed a similar problem, when trying to start pip on a video that has not yet loaded. Yep, thanks for the tip. I can easily reproduce this on youtube by limiting the internet connection, select a random video and activate PiP while the circle is spinning (the video is loading). That being said I tried searching for a regression range on Windows 10x64, but I didn't find one because the issue is happening way back to Firefox 67.0a1 (20190212195904), which is the last build that has "media.videocontrols.picture-in-picture.enabled" pref for picture in picture. So I think it's safe to assume that the issue is not a regression. Removing the flags.