Andrew NesbittDownstream testing for language pacakge managers, it's buildable but perhaps not fundable?
Jacques Chester@andrewnez there’s an interesting intersection with resolution policy here.
Because bundler/rubygems always try to resolve every dep to a single version, a feedback loop occurs where breakage upstream quickly attracts patches that mostly re-level the ecosystem.
But in systems allowing multiple versions to be resolved, that feedback loop is largely absent and so the spread of versions in use is more heavy tailed.
@andrewnez I also just remembered that in my time at Shopify I wanted to build a kind of progressive rollout system for new versions. Working from low-impact repos up to The Monolith. Integrated with the ShipIt deployment tool as well to get traffic control. Got laid off before I could pitch it properly 🤷
Jamie Gaskins@jacques @andrewnez Oh, man, same. I worked in Resiliency and tried to get Dev Infra on board with this. I got cut before I could get far enough, though.