In times of LLMs de-humanizing all kinds of interactions, I really enjoy collaboration like this one:
https://github.com/dry-rb/dry-cli/pull/157
Instead of "generate -> sign-off -> merge" here the code was rewritten completely twice (including previous PR). There was a substantial discussion on overall approach, not on details. And even though it took a while, at least I'm semi-certain we did a right thing here.