Also, as far as I know it offers zero CI integrations, which is (IMHO) table stakes for an organization-level platform

n.b. while looking up the modern state of affairs, I found this gem https://fossil-scm.org/home/doc/trunk/www/qandc.wiki#:~:text... which made me chuckle but is also, let's be real, a barrier to adoption. Yes, I am aware of the rabid army of Bugzilla fans, but I'd straight up quit before working with the garbage that is Bugzilla