cpython/Misc/NEWS.d/next/Core and Builtins/2024-05-01-05-09-16.gh-issue-117139.t41w_D.rst

Convert the Python evaluation stack to use internal stack references. The
purpose is to support tagged pointers. In :pep:`703`, this will
allow for its form of deferred reference counting. For both
the default and free-threaded builds, this sets up the infrastructure
for unboxed integers in the future.