day-one-patch
Day-One Patch
Every shipped game has a day-one patch. Planning it before launch day prevents chaos. This skill scopes the patch to only what is safe and necessary, gates it through a lightweight QA pass, and ensures a rollback plan exists before anything ships. It is a mini-sprint — not a hotfix, not a full sprint.
When to run:
- After the gold master build is locked (cert approved or launch candidate tagged)
- When known bugs exist that are too risky to address in the gold master
- When cert feedback requires minor fixes post-submission
- When a pre-launch playtest surfaces must-fix issues after the release gate passed
Day-one patch scope rules:
- Only P1/P2 bugs that are SAFE to fix quickly
- No new features — this is fix-only
- No refactoring — minimum viable change
- Any fix that requires more than 4 hours of dev time belongs in patch 1.1, not day-one
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