Your bug report

#64923: 29.1; white background glitch with new graphical frames

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 64923@debbugs.gnu.org.

-- 
64923: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64923
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems