Hello Guix The recent [1] update of EXWM has introduced a bug which causes the wrong window configuration to be restored after closing a full screen window. It has already been reported [2] and fixed [3] upstream.
Greetings Diego [1] https://git.savannah.gnu.org/cgit/guix.git/commit/?id=b9231c5c0ce8bd23b73a51552d7163558329ebf6 [2] https://github.com/ch11ng/exwm/issues/458 [3] https://github.com/ch11ng/exwm/commit/13a14579cc1bb772735f895dd5b4b90c6812f3ee