http://valinet6l6tq6d5yohaa6gdsf2ho4qcqcxyj2nahp5kd4z7nsa6ycdqd.onion/2021/11/18/Functional-Windows-10-flyouts-on-Windows-11.html
As it is pretty standard with Windows these days, there are a couple of old APIs that largely do not work anymore or are weird: WM_INPUTLANGCHANGE is received only by the active window, which in 99.99% of the cases is not the window switcher this thing ( ITfLanguageProfileNotifySink ) does not really work, or I could not get it ot work, or rather, when I was seeing how much time I was wasting trying ot make it work and with Google failing...