Trunk-Based Development for Autonomous Delivery Teams
Long-lived feature branches are incompatible with autonomous delivery. Here is why trunk-based development is the natural branching model for governed systems.
Long-lived feature branches were designed for a world where merging was dangerous and deployment was infrequent. In a continuous delivery world, they create more problems than they solve: merge conflicts, integration drift, delayed feedback, and the terrifying Friday afternoon merge of a three-week-old branch that touches 47 files.
Why trunk-based development fits autonomous delivery
Trunk-based development, where all engineers commit to a single main branch through short-lived branches that last hours rather than days, aligns naturally with autonomous delivery. The autonomous system generates changes in small, focused increments. Each change is complete, tested, and deployable on its own. There is no need for long-lived branches because there is no need to accumulate work before integrating it.
- Every generated change is a self-contained, deployable unit on a short-lived branch
- Feature flags control visibility, not branches, enabling continuous integration to main
- Merge conflicts are nearly eliminated because branches live for hours, not weeks
- Feedback loops are faster because changes are integrated and tested continuously
- Release trains become unnecessary when every commit to main is deployment-ready
If your branching strategy requires a release manager, it is too complex. Trunk-based development with autonomous delivery and feature flags makes the release manager role obsolete.
See governed autonomy in action
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