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Jack23953622aaql
Known Participant
September 16, 2025

Multicam interface lags

  • September 16, 2025
  • 27 replies
  • 606 views
  • Issue – starting from premiere 25.1 changes to recordered multicam provoces serious lags
  • Steps to reproduce – Record multicam, using shortcut keys move to any of edits, using shortcut keys switch previously recorded angle.
  • Expected result – Immidiate change of angle in preview multicam window
  • Actual result – Several seconds of premiere thinking and only then angle changes
  • Adobe Premiere Pro version – 25.5
  • Operating system – Windows 11 Pro 24H2
  • GPU driver version (Windows only) – 581.29
  • Video format - UHD with 720p proxies

    Video attached shows about a second long lag. I'm sorry I have to blur the video, but you can see the moment when I switch camera in the history panel and then when yellow square changes its position. I also attach screenshot of your internal utility with frame prefetch latency when this lag happens. 
    Second similar problem happens when you press keyboard shortcut to extend the edit and it waits several seconds to update the edit in playback inspite the edit is moved in timeline immidiately. All those lags happen only in playback window.

 

If it helps I can run any debugging tests that you ask me.

Thank you!

27 replies

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J
Jack23953622aaqlAuthor
Known Participant
September 19, 2025

Hi @jamieclarke I've sent the report

I have i9-13900K, 128Gb RAM, MSI RTX4080, BMD Ultrastudio 4k mini.

Enabling and disabling Mercury transmit does not help.

It is something that changed in multicam since 25.1. If I downgrade to 25.0 everything works fine without any lags.

jamieclarke
Community Manager
jamieclarkeCommunity Manager
Community Manager
September 18, 2025

Hi @Jack23953622aaql -  What CPU processor do you have?

Can you navigate to the help menu and select system compatibility report then in the bottom left hand corner select export and email those two file to jamiec@adobe.com 

J
Jack23953622aaqlAuthor
Known Participant
September 18, 2025

@jamieclarke 
Uninstalling Arrow does not help.
No, I never use non latin characters.

I don't have Catalyst

Maybe I need to mention that my projects are mainly two hours long.

Multicam sequence looks like this

 

jamieclarke
Community Manager
jamieclarkeCommunity Manager
Community Manager
September 17, 2025

Hi @Jack23953622aaql - Can you uninstall the arrow panel and let us know if you still have issues, what does that do? It's hard to tell from your screenshot of your media files, but do you have any foreign characters that are not english?  Do you have sony catalyst installed?

J
Jack23953622aaqlAuthor
Known Participant
September 17, 2025

hi @jamieclarke 

These are extensions. I have some plugins like universe but do not use them in such projects

 

This is my structure. Hires files are one external hdd and proxies are on internal Samsung 980PRO NVME. And I often work with offline hires files. Files come from Sony A7S3

 

 

 

jamieclarke
Community Manager
jamieclarkeCommunity Manager
Community Manager
September 16, 2025

Hi @Jack23953622aaql -   Thanks for submitting your bug report. We need a few more details to try to help with the issue.

Can you share a screenshot of your folder structure where your footage is stored in Explorer?

 

Do you have any third party plugins or panels installed?


Sorry for the frustration.

J
Jack23953622aaqlAuthor
Known Participant
September 16, 2025

Here is how second problem looks. I have extended the edit but it does not update in MC window

 

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