Continue watching bug? - Duplicate playback of same movies but different versions

Hello.
I’m curious about movies that I have on 4K and 1080p in different directories and with different names in the continue watching section

Explanation and true example:
I have this two files on my PC:
1- 4K UHD HDR Movie FILENAME/path:–> H:\4K-UHD\Doctor Strange (2016) 4K UHD.mkv
2- 1080P FILENAME/path: – > F:\MARVEL\AVENGERS\Doctor Strange (2016).mkv

On Plex, they are in different libraries too.
I use Nvidia Shield how Client, and the bug is the same if I play the file directly from my Plex windows server. continue watching section still showing the two movies

I don’t know if the server is playing the other movie in background or not, but it reports both movies stopped in the same place.

What is happend, “continue watching” section still showing the two movies?
Is a real duplicate stream only for the name?
It just showing the movies down the same name (libraries issue)?

Nevermind if I play the movie on my Nvidia Shield or my Windows Server, continue watching" section still showing the two movies on both devices.

Any idea?
Thank you!

For Plex, these two files are the same “movie”.
Therefore it offers you to continue watching it for either file.
Say you start watching it at home in 4K.
Then you stop it, go outside with your smart phone and want to finish it while on some public WiFi hotspot. It is sane to choose the non-4k version then, because your server would likely choke on the 4K file when it tried to transcode it down for your smartphone.

So it is a feature, not a bug.

You could avoid this behaviour, if you set the primary metadata agent for your 4K library to TheMovieDatabase and keep the agent in your regular movie library at the ‘Plex Movie’ agent.
If the same movie gets ‘matched’ by different agents, Plex will consider them as different movies.

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Thank you very much for your complete explanation, really appreciated

@OttoKerner said:
For Plex, these two files are the same “movie”.
Therefore it offers you to continue watching it for either file.
Say you start watching it at home in 4K.
Then you stop it, go outside with your smart phone and want to finish it while on some public WiFi hotspot. It is sane to choose the non-4k version then, because your server would likely choke on the 4K file when it tried to transcode it down for your smartphone.

So it is a feature, not a bug.

You could avoid this behaviour, if you set the primary metadata agent for your 4K library to TheMovieDatabase and keep the agent in your regular movie library at the ‘Plex Movie’ agent.
If the same movie gets ‘matched’ by different agents, Plex will consider them as different movies.

That’s a good explanation, thank you.
I just wondering if Plex when 4K is in playback in the background it transcode the 1080p file at the same time.

@HRSCR said:
I just wondering if Plex when 4K is in playback in the background it transcode the 1080p file at the same time.

No, that is definitely not happening.

@OttoKerner said:

@HRSCR said:
I just wondering if Plex when 4K is in playback in the background it transcode the 1080p file at the same time.

No, that is definitely not happening.

Thank you, Otto for your time and good explanations. :slight_smile:

Thanks for the in depth explanation. The issue I think people may be experiencing is that there is no way to tell which one to click on when you want to continue. Would be useful for it to display the quality somewhere on the thumbnail, a little 720/1080/2160 symbol.

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