Wow. Not even a pointer to the development team that are working through the bug list?
I can’t understand the unencumbered casualness around such a fundamental problem. LG and Samsung TVs make up a huge share of the market and are certainly among the most popular devices supported by Plex. How is it possible that they don’t care about the foundation on which everything rests?
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Guys… calm down. They are actively working on this at the moment, and there will be more info in the future and this is their number one priority. 
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@sLumpy just checking in here. Are you still working on this please?
Yeah.
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The X Files: I Want to Believe
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I am worried… maybe there is a no development team, just one-man-band sLumpy? Godspeed sLumpy! 
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In my experience, it is not just the GUI. I have a C7 TV and have used it without complaint for years but the last couple of Plex updates have really slowed everything down to the point that just having the Plex app open and not playing anything back causes the screen saver on the TV to be slow and jittery when it kicks in. During playback, I am also now getting buffering even on 1080p content with high encoding rates. I have confirmed that something like the YouTube app works fine for 4k playback and doesn’t cause the same issue with the screen saver.
I don’t have such problem, just slow GUI.
Yes, I also have buffering, strangely enough I get mostly sound stutter, but sometimes I also get buffering with full video playback. See my other topic(s) about the problem.
Plex is completely unusable for me, at least on my LG smart TV (webOS), and Plex simply doesn’t care, it’s not a serious company, is my conclusion.
I picked up a 4k Firestick on a black Friday sale and use it a lot when I am having issues with Plex on WebOS.
Is that with specific audio codecs? E.g. TrueHD or DTS MA?
I had the same with TrueHD since the LG isn’t capable of decoding it natively and the server was having to transcode it. Server couldn’t handle it with 4K movies, had to change the audio to DD instead.
@ElGrindero, in this topic we are describing the following problem with the Plex application:
- When we open it, there is very long loading time until the main screen appears (comparing to what it was 2-3 years ago).
- When we browse through the content (without playing it) it presents the selected theme image very slow.
- When we search (the Plex GUI is designed to present the result in real time) the interface is very slow and the results make me wait forever.
- etc.
For example, my family collection is over 10,000 images and about 500 videos. Over a year ago I just stopped using the search function, because it is crazy slow.
Just another datapoint - Brand new LG 65" QNED90T. Plex was working fine until my watchlist exceeded a threshold. I have 132 titles now and as soon as I scroll down more than a few lines, the UI starts slowing down to the point where I can’t even exit out of the app.
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So you’re saying that you don’t have these problems with other devices?
In other words, it’s only a problem on LG’s webOS? Perhaps I should contact LG one more time, but I don’t see how they will be able to fix it.
It’s a major bummer because strangely enough, Plex Free has got content (certain movies and series) that are not available on other streaming services.
Yes correct, besides my sound stutter (and playback buffering) problems, I also noticed this stuff. The Plex smart TV app on webOS is pretty much a joke.
Is it really that hard to build a smoothly working app, like the ones from Prime Video, Netflix and YouTube? I mean give me a break. 
Yes, I am saying that a 4K Firestick running Plex can handle playback that the webOS client cannot in terms of buffering. The real telling thing for me is the impact that just having the Plex app loaded but not in playback mode in webOS has on the TV native screen saver (not smooth and very jittery image). It is clear that the app resource requirements have exceeded the hardware capabilities of my TV ( LG OLED65C7P Model year 2017).
Well, I have a LG 32 inch smart TV from 2021, and YouTube, Netflix and Prime Video load very smoothly, so it shouldn’t be a hardware problem.
And what’s also very weird, how come I NEVER have problems when ads are played? So no buffering or sound stutter problems, it only happens during playback of movies and series.
But anyway, I think I’m done with Plex, because those ads are way too annoying and random. I mean, yesterday I was watching Deep Cover, and after 1 minute of playback, I had to watch 2 minutes of ads. On YouTube, ads are less annoying. And of course I still had the sound stutter problem every few minutes. Plex is truly a horrible company. 
Your use case is very different too mine. You are streaming media from the Internet where as I am playing a local media file in direct play mode (no transcoding). It is also very likely that ads are being streamed at a lower data rate than the content you are watching which could explain why they do not have the same issue.
Out of curiosity are you playing back audio through the TV speakers or are you using a home theatre setup for audio (i.e. audio through a stereo receiver to a 5.1 speaker setup). Just wondering if you are experiencing sound synchronization issues due to the TVs image processing.
OK, I see. I didn’t know you were not streaming from the internet. And the ads seem to be of the same video quality (at least 720P).
And to answer your question, I’m using the TV speakers, and in my first few months of using Plex (back in 2021/2022) I did not have the sound stutter problem. It started I think in late 2022, and I didn’t change anything, so that’s why my conclusion is that the problem must be on Plex’s side.
The smart TV app also seems to be slower than in the past, when loading stuff. And like I said, the website itself (Plex Desktop) is quite smooth, too bad that the smart TV app can’t be the same.
For the record, I hate watching stuff on my laptop, where I don’t have any problems, so that’s no solution. Or perhaps I can connect my laptop to my TV, but then I still have the problem with annoying ads. But anyway, it’s too much work.
