Read-only file

I think I got it:

  1. When opening a file WHILE it is visible in the finder preview pane, the read-only problem is invoked.

  2. When the file is not selected (the preview of that file is NOT active), and you drag the file onto the Rhinoceros icon in the dock, there’s no problem. You could also disable the finder preview pane by hitting cmd-shift-P and just select the file / double-click it: either no problem.


So, it’s the finder preview pane “looking” at the file and blocking it while Rhinoceros tries to open it for editing.

Hope this helps, @dan!

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