[steveklabnik]

This is one of the biggest changes to hit GitHub in many years. I'm really glad to see something like this deployed to one of the largest forges in the world, hopefully it will expose a lot of developers to workflows that they didn't even know about before.

If you buy the idea that stacking produces better software, then this also has the opportunity to really help out quite a few people.

[nonethewiser]

How is this different than creating a feature branch off main then branching off that?

[shmichael]

Stack management: automatically rebasing all dependent PRs on any downstack change. Ability to view & navigate the stack in the reviewer UI. Ability to merge a whole stack with one command.