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I changed my pc to macOS, and I am adjusting Klayout in macOS.
However, when I used Windows, I got shape buttons ex)box, polygon, instance e.t.c.
but, now, I have only select, move, and ruler.
I think since I have no instance, I cannot even drag and drop from Libraries which is left middle of the picture.
Before, i could drag and drop to create an instance.
How can I solve this problem?
Thank you very much in advance.