There's many pages here that explain in detail the problem with the existing solutions. Read all of them. https://research.swtch.com/vgo https://research.swtch.

There's many pages here that explain in detail the problem with the existing solutions. Read all of them. https://research.swtch.com/vgo https://research.swtch.com/vgo If you read the minimal version selection algorithm, it's clear that the proposed solution solves the problem in a novel way.