On Wed, 31 Mar 2021, 3:15 am Barry Warsaw, <barry@python.org> wrote:
.  We would like to eventually go farther, including deprecation of pth files entirely, but that is outside the scope of this PEP.

Please don't, since that would force everyone to start using PEP 648 just to extend sys.path, which would be just as bad as the status quo.