Maybe you were using the wayland backend, you might have to force X11 with the environment variable "GDK_BACKEND=x11". Though part of this weirdness is due to

Maybe you were using the wayland backend, you might have to force X11 with the environment variable "GDK_BACKEND=x11". Though part of this weirdness is due to the clunkiness of the way X forwarding is implemented, I wish there was a way to do it that didn't involve kludging around with environment variables. But that is what we are stuck with.