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Premiere Pro 23 lags when trimming in sequence

New Here ,
Feb 20, 2023 Feb 20, 2023

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I've tested this in PP 23.2, 23.1, and 23.0 all seem to have this same issue. I'm on a Macbook Pro M1 Max 32GB with my media on an external SSD that reports 2.5k+ MB/s when tested. I've closed all other apps to ensure it's not a memory issue. I don't see any large spikes on Activity Monitor when this happens.

 

Here's a video of the issue: https://vimeo.com/800713336/dcb5b66d6e

 

You can see that performance is fine as I scroll around the timeline and move clips but as soon as I trim a clip it lags big time and then every other action lags for a short time after.

 

Steps to reproduce:

1. Create a new project importing 4k footage.

2. Create a new sequence. Mine happens to be 9:16 1080p sequence for IG Reels.

3. Drag one of the 4k videos into the timeline.

4. Attempt to trim the clip.

 

I expect that PP doesn't lag when doing that. In actuality, it lags.

Bug Unresolved
TOPICS
Editing and playback , Performance or Stability

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correct answers 2 Correct answers

New Here , Jun 20, 2023 Jun 20, 2023

Found it under "/Library/Application Support/Adobe/Common/Plug-ins/7.0/MediaCore" and I just deleted it. Seems to have worked.

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Adobe Employee , Jun 20, 2023 Jun 20, 2023

Confirming: There are no 3rd party Transmit plug-ins available/enabled, in Prefs --> Playback?

Screenshot 2023-06-20 at 3.18.58 PM.png

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New Here ,
Feb 20, 2023 Feb 20, 2023

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Forgot to mention OS: Ventura 13.1

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Adobe Employee ,
Feb 21, 2023 Feb 21, 2023

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Which camera shot the footage, Tony? Let us know so we can help.

 

Thanks,
Kevin

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New Here ,
Feb 21, 2023 Feb 21, 2023

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Hey @Kevin-Monahan! The footage was shot on a Sony A1 60fps 4k Cinetone.

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New Here ,
Feb 27, 2023 Feb 27, 2023

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Hey @Kevin-Monahan, any advice here on something to try to resolve the problem? My productivity has sharply decreased with this issue. I also notice a lag when double-clicking a file to open it in the source monitor. Not sure if that's helpful.

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Adobe Employee ,
Feb 27, 2023 Feb 27, 2023

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Hey there, Tony.

Thanks for the info and sorry about the delay. Is it possible to share a short sample clip? That would expedite the issue since I'd have to hunt down the footage otherwise.

 

If you want to keep the link private, you can PM me here.

 

Thanks,
Kevin

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New Here ,
Feb 27, 2023 Feb 27, 2023

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I've been getting this issue with any video I use. My sony, an iPhone, or even some Zoom screen recordings I've been editing. I'll DM you a clip though so we can at least work on something similar!

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Adobe Employee ,
Feb 27, 2023 Feb 27, 2023

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Cool, then. Timely as I just migrated over to my M1 MacBook Pro full-time. It's similar to yours but only 16GB RAM. I have a ton of 4K footage. Let me connect my media drive and I'll give it a look.

 

Kevin

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Adobe Employee ,
Feb 27, 2023 Feb 27, 2023

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Hey Tony, 

Thanks for hangin' in there with me. I was able to grab a few sample clips, but I could not reproduce the bug. Have you tried any basic troubleshooting, like deleting all media cache (it's necessary to close all projects, then delete all media cache from media cache prefs dialog box - 2nd option) and/or resetting preferences? Let me know.

 

Otherwise, you can duplicate your project, upload that copy, and I'll send it along to the Premiere Pro engineering team.

 

Weirdly, I cannot reproduce the issue according to the steps you outlined and the move you showed us. I am so sorry this is happening to you. Let's keep trying to nail this down. 

 

Thanks,
Kevin 

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New Here ,
Feb 27, 2023 Feb 27, 2023

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@Kevin-Monahan, I was able to get everything running smoothly if I start PP while holding a modifier key and then disabling 3rd party plugins. Weirdly, if I uninstall all my extensions, the lag still happens. It only runs smoothly when that box is checked. So now I'm wondering if there are plugins or extensions living somewhere else that I'm not aware of. Do you have more info about what checking that box actually does?

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New Here ,
Feb 28, 2023 Feb 28, 2023

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@Kevin-Monahan Any idea what might cause this given no plugins/extensions are installed?

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Adobe Employee ,
Jun 20, 2023 Jun 20, 2023

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Confirming: There are no 3rd party Transmit plug-ins available/enabled, in Prefs --> Playback?

Screenshot 2023-06-20 at 3.18.58 PM.png

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New Here ,
Jun 20, 2023 Jun 20, 2023

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Ah! There is something there called ScopeLink. I vaguely remember installing something like that. I definitely don't use it. How can I uninstall it?

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New Here ,
Jun 20, 2023 Jun 20, 2023

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Found it under "/Library/Application Support/Adobe/Common/Plug-ins/7.0/MediaCore" and I just deleted it. Seems to have worked.

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Adobe Employee ,
Jun 20, 2023 Jun 20, 2023

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New Here ,
Oct 18, 2023 Oct 18, 2023

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LATEST

I have similar lag problem while trimming or moving in sequence. Macbook Pro M1, 16gb RAM. The problem exist in both 23.6 and 24.0 versions. I have no plugins installed, project - 1920x1080 with both full Hd and 4k media (mp4, h.264). The lag is more pronounced when there are subtitles in sequence (at least looks like it). Playback or scrubbing is fine, no problems. Any solutions?

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