Server Version#: 1.16.4.1469
Player Version#: 1.0.0.792
When a video is playing in fullscreen on monitor 1 and I change the focus (so clicking with the mouse on the respective monitor) to e.g. monitor 2 or 3, the Plex for Windows fullscreen window will give a roughly half second black screen flash. Same in reverse when changing focus back from other monitors to the monitor with Plex for Windows.
Anybody has the same problem?
Same version, same problem. Might be related to exclusive fullscreen mode? I actually also get the movie frame changing while paused when this happens, so could be something different.
@deactivated this should be easily reproducible. If not let me know and I can provide additional setup details.
Thanks @Wiidesire. It does sound like something that should be simple to reproduce. Adding an issue to investigate. I’m a bit worried that we’ll discover a bug that we can’t address directly but I’m 
Thanks for the answer. Two additional remarks from me:
It also appears that one has to enter fullscreen each time after launching the application, it doesn’t save the last state. Pretty sure I saw another reply from you already acknowledging this, but I’m mentioning it anyway.
@deactivated and anybody reading this:
I found a workaround. You can use Borderless Windowed Mode instead of fullscreen which doesn’t exhibit the flashing issue.
Direct download link to the tool Fullscreenizer:
http://runtimeterror.com/tools/fullscreenizer/
I already stated this a few days back but the new plex app goes into exclusive fullscreen instead of a windowed fullscreen like it was before. Which will show weird behavior when going on secondary screens. I hope it gets fixed.
Yeah, this also causes an issue where since one of my monitors is technically upside-down and set to “Landscape (Flipped)” in Windows, entering fullscreen on that monitor flips the player display upside-down (or right side up, from the actual monitor’s point of view).
Oddly the player’s buttons are actually where they should be, they just look like they’re in the wrong place. For example, despite everything being upside-down, the “exit fullscreen” button is still in the top right, even though clicking there looks like I’m clicking on the player bar.
@deactivated Didn’t see anything in the changelog but this appears to be fixed in v1.3.0 (didn’t try 1.2.0).
Oh interesting! Please keep an eye on it. We did change our rendering to use newer system libraries; perhaps related. I still have an issue scheduled for a multimonitor support investigation in 1.4.
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