[PATCH 0/1] MR2153: win32u: invalidate all cached keys after input

[Henry Goffin (＠AMZN-hgoffin)]

This patch addresses an issue in Second Life and potentially other
multi-threaded applications which process WM_KEYDOWN in one thread
and then verify that the key is "still down" with GetAsyncKeyState
from another thread. Wine uses a per-thread key cache, resulting
in inconsistent views of key status. Caches are now invalidated
when an input event is injected by the driver or via SendInput.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/2153