Thanks for reaching out. Could you please confirm the version of Illustrator/Photoshop installed, your system specifications (CPU/GPU/Memory), and whether the program slows down when working on a particular file or using a specific tool/feature? Additionally, could you provide a small screen recording of the problem, so we can better assist you?
Thanks for confirming. Could you check if this issue occurs with all your documents or just specific ones? Also, try running only Illustrator under a different administrator account (macOS) and share your observations.
I have the same problem. It's virtually impossible to work. Everything becomes terribly slow or responds extremely slowly. The problem is usually worse when editing text. Restarting the programme provides a temporary solution, but then it starts again. This also happens with Photoshop and InDesign. InDesign shows extremely high CPU usage even though it is running in the background. The problem must be on Adobe's side. I only have this problem with programmes from the Creative Suite
Sorry for the delayed response. Would you mind updating Illustrator and your other Creative Cloud apps to the latest release version to see if it helps resolve the problem?
Adobe has already admitted in a chat with me that there are massive problems with Tahoe 26. I hope that today's Apple update will improve the situation.
Okay, the Apple update didn't improve anything. To be honest, I'm really pissed off with Adobe. How is it possible that such an expensive programme isn't checked for this kind of thing in advance? I can hardly work at the moment. I'm going to switch to Affinity now. It works without any restrictions.
I have now learned the hard way that it does not always make sense to switch to a new operating system straight away. But it is very frustrating that performance has dropped so dramatically. A costly lesson. Thank you for pointing that out.
It never makes sense to update the operating system right away. It never makes sense to update the application, or a plugin right away.
You always have to make sure that your software is operating with all your other hard and software before you update it. If the manufcturing companies cannot tell you that, because it's too off (like: you are using some rare plugins or special hardware), you might need to set up testing systems.
And then before updating: mirror your harddisk, so you can easily rewind everything if it goes wrong.
I've been doing this for 30 years now and basically it hasn't changed for ages. It's the basic stuff that you learn.
/t5/illustrator-discussions/mac-os-tahoe-issues/m-p/15546643#M455643Oct 14, 2025
Oct 14, 2025
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There have been many issues reported of problems running Illustrator with Tahoe. The general consensus is to make sure that your Illustrator version is the latest and that any third party plug-ins have been updated for full compatibility with both Illustrator and Tahoe. Actually, the best advice that I can give is not to update as soon as Apple comes out with a new version of the OS. Traditionally, it can take several months and many bug fixes from Adobe and Apple before full compatibility is achieved. It is absolutely better to stay with the end result of the previous year's app and OS than to rush for the latest versions before they've been perfected.
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