DeleteWindow() doesn't free the buffer associated with the FocusPrivate private.
Created attachment 17339 [details] [review] Patch I think this patch should do it although we might need to check to see whether the private even exists to avoid a null reference.
Pushed as a4cb25f8c816adc3bdf6a28d5beb558e8be40121. Thanks.
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.