Photoshop 27.10 locking up, unusable with large images

I’m running on a M5 MacBook Pro, Golden Gate 27.0. I downgraded to 27.8 and there was no more issues.

I updated to Photoshop 27.10 and ran into several unacceptable issues:

• Opened photoshop after the auto update and tried editing a single 4k image. Zoom was slow, paintbrush was slow, and navigating menus was slow. I had a single layer with a mask and was trying to paint in the mask, but the brush was so laggy and unresponsive it was completely unusable. Trying to do this while zoomed in and the app would lockup completely. I tried with a smaller 1000px x 1000px image, still noticeably slow but no locking up. I’ve edited larger images with more layers and never ran into this issue until now.
  • During this I also checked every setting and permission both in app and at the OS level. Everything was correct. During this time I noticed that while both were open my network bandwidth dropped to 5-7mb/s and I was unable to load pages in a browser. Closing both boosted bandwidth back to the expected 800mb/s.
• Photoshop app was installed on the machine (I was able to open it) but Creative Cloud couldn't see it. Uninstalled photoshop manually and tried reinstalling- creative cloud timed out and ran diagnostics. I cleared the files, local cache, restarted the computer, and even changed my internet access point before it actually ran the installation.
  • After a fresh install of 27.10 and a computer restart, the same issues were happening.
• After running an hour or two of diagnostics and troubleshooting I gave up and reverted back to 27.8. Everything worked properly- there was absolutely no lagging with the brush, zoom, or overuseage of network bandwidth.

This section is my rant and I’m just venting my frustration with Adobe. I don't want AI in photoshop, I don't want ‘neural tools’, I don't want to sync to your cloud, I don't want my basic image editing tools to constantly need the internet, I don't want to come into work and have to troubleshoot the things I use every day. I just want them to work the way they are supposed to. I want them to be stable. I want to do my job with the least amount of stress as possible. Its so frustrating to have to keep telling my boss “oh sorry, Adobe pushed an update that made their product unusable and/or corrupted our files (looking at you InDesign). You are going to have to wait for those assets until I can find a solution.” And most of the time the solution is to use a different product. I wouldn't be surprised if one day my company decides to ditch Adobe- these half-baked version updates that cause more issues than features added are costing a lot of time and money. I’m definitely turning off auto-update after this as I can't trust Adobe to release well-tested and stable updates. Ok rant over, thank you for reading.