I'm using MacBook Pro 2019 (16" - i9 - 16GB - 512GB), after updating macOS Tahoe, my Mac is lagging terribly, I can't work.
Here is screen record: https://drive.google.com/file/d/1Ii2X38Hg5E_e8kv0Pw3Q1zQsXC3kXeAS/view?usp=sharing
[Re-Titled by Moderator]
Original Title: macOS Tahoe super lag
I did everything I could, even had to reinstall MacOS, but it still lags
Tahoe 26.0.1 lagging as **** on a MBP 2019 i9 32GB. Can't do my work like this.
Same here with 2019 i9 32GB. More than 300GB disk space is free. It was working buttery smooth.
UI is also inconsistent. IDK who approved this release.
[Edited by Moderator]
Experiencing the same issue here.
Did you also have one of the apps identified here that was using a Private Framework not designed for Developers and causing excessive heat and battery drain? After the developer updated the apps, the problem was solved.
https://www.macobserver.com/news/developers-push-fix-for-macos-tahoe-gpu-slowdown-in-electron-apps/
At the time of the article these apps had not been updated, so you will need to check:
This is super helpful. Thank you. This appears to be an up to date list of the updated apps from the article: https://avarayr.github.io/shamelectron/
It says at the top, “🎉 Good news!This issue appears to be fixed on the latest betas of macOS 26.2”
Fingers crossed! 🤞
Edit: I updated all the apps and now my Mac is back to normal speed.
MacBook Pro 2019 lagging after macOS Tahoe update
