The stack of 40 is usually quite related and often would be a 2-3 PRs in GitHub -- it also lets you perform pipelining where you can add new commits to the end

The stack of 40 is usually quite related and often would be a 2-3 PRs in GitHub -- it also lets you perform pipelining where you can add new commits to the end of the stack at the same time as merging commits earlier in the stack.