Your bug report

#28826: 27.0.50; Ibuffer filters should be idempotent

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 28826@debbugs.gnu.org.

-- 
28826: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=28826
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems