Yeah, there is way more prior art. We were doing this at FB early (here is a talk from 2014 mentioning it but it was much earlier: https://www.infoq.com/present

Yeah, there is way more prior art. We were doing this at FB early (here is a talk from 2014 mentioning it but it was much earlier: https://www.infoq.com/presentations/facebook-release-process/ https://www.infoq.com/presentations/facebook-release-process...) and we definitely did not invent it...it was already the industry standard for large CI.