The log is:
==> Deploy log started on 2022.11.09 22:42:38
==> Performing warm boot.
-> Runtime directory is D:/bin/
-> Resource directory is D:/bin/
==> Running boot hooks.
==> Reloading foreign libraries.
-> Loading foreign library #<LIBRARY LIBSDL2-TTF>.
-> Loading foreign library #<LIBRARY LIBFFI>.
-> Loading foreign library #<LIBRARY LIBSDL2-IMAGE>.
-> Loading foreign library #<LIBRARY LIBSDL2>.
-> Loading foreign library #<LIBRARY OPENGL>.
==> Launching application.
I found that is the same as the command line output of the previous version, so there’s no need to define an environment variable to see the log.