35fb221a7e
If the window wasn't in _windowSlots, the index is -1, so the last element of the array is removed, leading to https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3547 I logged the stack trace from removeWindow() and it seems that when you move the window from the second monitor to another workspace like shown in https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3547, removeWindow() is called twice for it, presumably once for the second monitor workspace, and then once for the first monitor workspace for some reason. It is during that call that _windowSlots doesn't contain the window, so instead the last element (index -1) is removed, leading to the animation bug. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1727>
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
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