Your bug report

#76953: Latest elpa track-changes 1.3 uses incf which does not exist in Emacs < 31

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 76953@debbugs.gnu.org.

-- 
76953: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=76953
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