The function ``sys._current_exceptions()`` returns a mapping of thread-id to an ``exc_info`` tuple representing that thread's handled exception. As part of the larger effort of moving away from exc_info to simple exception instances, we should change this mapping to have just the exception instance as value. While this is a breaking change, I think we can do this without a deprecation period because this function is named with a leading ``_``, and it is documented as "for internal and specialized purposes only". <!-- gh-linked-prs --> ### Linked PRs * gh-103177 <!-- /gh-linked-prs -->