"Sheng Yang" <styang@fastmail.com> writes:

> Hi Juri,

>

> I recently came across a regression of performance in Emacs for

> describe bindings, which I have reported as bug#45379. After

> bisection, the offending seems to be a commit a649034336 you pushed in

> November 2020, to fix bug#5423. [...]

>

> a649034336 * bad Don't show key ranges if shadowed by different commands

BTW, the offending commit is not Juri's.  It is mine:

    Author: Stefan Kangas <stefan@marxist.se>

    Date:   Fri Nov 13 15:28:29 2020 +0100

        Don't show key ranges if shadowed by different commands

Thanks for the bug report!