I didn't have this issue on 23.0, but 23.1 now the GUI slowly becomes more laggy until it's annoying enough to make me restart, which then solves the laggy GUI issue, but then it slowly comes back as I work.
I am on a 2017 iMac currently. 4.2 GHz Quad-Core Intel Core i7, 64GB of RAM, 2TB SSD, and Radeon Pro 580 8 GB. This happens both with project files created in 23.0 and new ones created in 23.1.
I'm Kevin from Adobe Support. It sounds like a disturbing error you are having there. Sorry about that. I have a similar machine but I'm not seeing anything yet that resembles your problem during my own editing sessions (I am also an editor).
Though I'm not a dev, I'll try to help troubleshoot while we await a response. In Media Preferences, you can disable hardware-accelerated decoding on the GPU. That will take effect after a reboot. See if that works.
Sorry, I did not mean to imply that this project was a mixture of both. The current project I am working on is a brand-new project started today with a multicam of three angles that are all ProResLT files.
A project I was working on yesterday was a project upgraded into Premiere v23.0 that was a multicam of 2 XF-AVC 1080 10-bit 4:2:2 clips LongGOP and a MP4 encoded out of Resolve.
I just realized that I am using the AVCHD source because of a bug in the ProRes recordings that put the sound out of sync, so I'm using that to fix that, then deleting the clip. This is when the GUI slowdown occurs, even though I delete the clip once I make sure the ProRes audio is back in sync.
I have seen complaints with AVCHD footage as of late related to the audio codec. AVCHD audio is usually reliant on the OS to deliver support. Your info helped. I will involve the product team, as it's affecting many editors.
A quick update on this, new project created in 23.1, still having this same issue where the GUI slowly becomes sluggish while I work, necessitating a restart of the project. Closing the project and re-opening it fixes this issue until it slowly becomes sluggish again.
In this new project my source media is ProRes LT files, and XF-AVC 10-bit 4:2:2 1080 LongGOP from Canon EOS Cinema cameras. I am creating multicams. There is no AVCHD material of any kind in this project.
Looks like it doesn't matter, as third-party effects aren't in play with the bug. Thanks for the info, though. I am sifting through multiple reports trying to find common threads. Let me know any other observations you have. I'll compile them.
Also have the same problem with a big project (6h30 of footage : 5K R3D, 4K H.264) Absolutely everything has been transcoded in ProRes LT. Disk speed are more than good, RTX 3080 with 528.02 Studio drivers). Only solution is to regularey quit and relaucnh Pr. I will try the 23.0
Any resolution on this issue? I started a new project yesterday. It's an onsite edit for a 3-day client meeting with very quick turnarounds. I am still having the same issue, this time with different footage (specs below). Very frustrating to have to close the timeline and reopen every 3-4 edits, but more importantly I am losing valuable time.
Thanks for reporting on the issue. The team thought it might be related to H.264 files causing a memory leak, but you are using ProRes. Are H.264 proxies attached?
I didn't have anything to report since yesterday, but an active investigation is ongoing. I'll dig in today to see if any news has arisen to help you.
I'm cutting audio, wav-files. Almost no video, except for a small segment (<2min) of a prores mov and h264 mp4 and a few AE dynamic link compositions. Very simple project with 6 audio tracks (dialogues with few sounds and bit of music).
After 10 min or so the UI becomes sluggish. Scrolling the timeline, scrubbing the playhead, marking clips becomes so slow and unresponsive. It looks like it's running at 20fps instead of 60.
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