Hi. Ihor. >>>>> "Ihor" == Ihor Radchenko writes: Ihor> andrés ramírez writes: Please try again on the latest main. >> >> Now it is taking 33s vs 22s from emacs-27 on a cold-boot. Ihor> Thanks for providing more profiling data. I just pushed yet another performance Ihor> improvement onto main. Ihor> https://git.savannah.gnu.org/cgit/emacs/org-mode.git/commit/?id=0057cc21e13769ec2f8971d49f4e832c6621a2ac Ihor> Can you please try again with the newest Org? Done (f1a1974). There is NO improvement. It still takes 33s. Just out of curiosity. which bug or improvement or new feature on agenda caused this delay on showing the agenda buffer?. JIC: I am attaching a new profiler report.