> Are you're saying that you'd want the commits for `feature_0` through `feature_1` to be in the PR (to the upstream fancyproject repo), and you'd want it to ex

> Are you're saying that you'd want the commits for `feature_0` through `feature_1` to be in the PR (to the upstream fancyproject repo), and you'd want it to exclude the commits in the range from the fork commit through to `feature_0`? That's what stacked PRs are You can review just the addition, knowing what it is building on top of.