Created attachment 128196 [details]
example program showing the bug
I use XSetWMHints to specify that a window should start in the iconic state when first mapped. When I run the attached program, the window opens in the normal state, and then iconifies. So far so good (although it would be better if the window directly opens in the iconic state without going through the normal state). When I then try to deiconify the window by clicking on it in the dock, the window indeed deiconifies, but then disappears altogether.
When I run the same program on Ubuntu, the window is opened in the iconified state directly, and can be deiconified without problems.
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