Aye, towncrier and OpenStack's reno were the two main alternatives we
looked at in addition to Larry's offer of creating a tool specifically
for CPython: https://github.com/python/core-workflow/issues/6
Fun fact: all three tools started at about the same time, at least
according to publicly visible commits. Towncrier started December
2015, reno in August 2015, and my first commits to "mergenews"
(which eventually became blurb) were in September of 2015.
We'd actually been discussing it on bpo since at least September
2013: