On Fri, Apr 24, 2020, 2:52 AM tsuucat <tsuucat@icloud.com> wrote:

Hi,
I tried Emacs 27 and found org mode shortcuts such as <s doesn’t work and
then I found org-tempo.el.

However, org-tempo.el’s shortcuts insert downcased blocks (e.g. #+begin_src).
Is this intended?

Yes, the convention is now to have downcased keywords.