Illustrator 27.9 introduces severe choppiness when panning with fingers on trackpad rather than Hand tool
When panning with the Hand tool, performance remains intact and panning is smooth. When using trackpad or mouse to move the canvas, frame rate is severely low, 10 fps, even on an empty document. This is a new issue that has existed in the past but had been resolved sometime in the past year or two.
Using a MacBook Pro with M2 Max 38-core GPU running macOS Ventura 13.5.2, the latest as of now.
This issue reduces efficiency and hampers productivity, making it unpleasant to navigate small documents and impossible to navigate large ones with multiple dartboards.
Uninstalling and re-installing Illustrator, and erasing preferences, with multiple system restarts in between, did not resolve the issue.
This issue is not reproducible in Illustrator 27.8.1, before upgrading or after downgrading from 27.9. Performance with the mouse/trackpad or with the hand tool is identical and runs at 60 fps on an external display and 120 fps on the built-in display.
SL
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The fix to this issue is available in Beta 28.1 21 (and above) and Prerelease 28.0.66 (and above). Please check, if you can, and reply back if it works for you.
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Thomas
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