Your bug report

#66922: 29.1; No redisplay of buffer, even after using `force-window-update'

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 66922@debbugs.gnu.org.

-- 
66922: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=66922
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems