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What can we fix in Illustrator (desktop)? Vote or report a bug — one problem per entry, please.

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Illustrator uses 100% CPU, sustained, even when idle and no documents open

I've observed many times that when Illustrator (29.7.1, on macOS 15.6) is idle in the background, it's running a 100% CPU task. Even if I close all of its open documents, the CPU use is at 100% CPU, and stays there until I quit.

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Mike Dean shared this idea  ·   ·  Report…  ·  Admin →
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  • No Way commented  ·   ·  Report

    I'm seeing the same with Illustrator 29.8.2 on macOS 26

    Constantly high CPU usage and sluggish performance even in simple documents

    At this point I think Illustrator for mac is in desperate need of a full rewrite

  • K-O commented  ·   ·  Report

    I have the same issue on 2 different Macs. Both are on the current versions of Illustrator. This has been going on for about the last year.
    Illustrator will consume 100% CPU with nothing open. M1 machine gets hot. Seems to be a memory leak.

Illustrator (Desktop) Bugs: Performance

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