On Sat, Apr 30, 2022, 06:06 Eli Zaretskii <eliz@gnu.org> wrote:

Corwin, does the pretest include debug symbols in the Emacs binary, or
was that also stripped?

No.  I will take this as direction to avoid stripping for future pretest versions and I'll create a binary set with debug symbols from the 28.1 source tarballs also.