macOS 27: window can't be resized from top edge/corners - drag only moves the window
- OS: macOS 27.2 (also on 27.0.1), MacBook Pro 16" built-in display. Same with mouse and trackpad.
- Illustrator 30.8.2 (2026).
- Steps: hover over the top edge or a top corner of the Illustrator application window until the resize cursor appears, then click and drag.
- Expected: the window resizes. Actual: the window is moved instead of resized. Bottom edge, bottom corners and side edges resize correctly. Resizing from all edges works fine in Apple apps (Finder, Safari) on the same Mac, and the problem persists with third-party utilities (Logi Options+, etc.) closed and window tiling disabled, so it seems specific to how Illustrator handles mouse events on its frame under macOS 27's new resize handling.
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Jonatan Bertuzzi
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