Your bug report

#28915: Emacs 27 under macOS window system; improper frame resizing (off by 4 pixels)

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 28915@debbugs.gnu.org.

-- 
28915: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=28915
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