See go/aligning-dart-dev-releases-with-rolls for additional context.
- Create a recipe that calculates the last known good revision (LKGR) based on a configured subset of builders to dev (https://dart-review.googlesource.com/c/recipes/+/157501, https://dart-review.googlesource.com/c/sdk/+/157491).
- Create a recipe that merges the latest LKGR to dev (https://dart-review.googlesource.com/c/recipes/+/157960, https://dart-review.googlesource.com/c/sdk/+/158000, https://dart-review.googlesource.com/c/sdk/+/157983).
- Make external/g3 builder integration work to enable integration with internal smoke tests (internal part: b/162701896).
- Add ACLs to allow roll gardeners to trigger a manual roll with
- Update the release tooling to no longer merge to dev (cl/326215543).
- Fix #42820 (Optional).