BriefApr 2026
Cycle kickoff brief
Scope, themes and guiding principles for 2026–27.
2026–27 cycle is active
The home for COD annual updates.
A single place to find every brief, decision and changelog produced across each COD cycle. Quiet, editorial, and built to last.
What lives here
Each COD cycle produces a small set of canonical artifacts. We publish them here as they're approved.
Briefs
Scope, themes and guiding principles for the cycle.
Decisions
Approved changes, with context and rationale.
Changelogs
What shipped, when, and what it affects.
Cycles
Browse the directory of annual update cycles.
2026–27Active
The current planning and rollout cycle.
Open cycle
2025–26Archived
Last cycle's briefs, decisions and changelogs.
2024–25Archived
Foundational cycle artifacts.
Latest from 2026–27
View all →DecisionMay 2026
Versioning model update
How artifact versions roll forward across the cycle.
ChangelogMay 30, 2026
May changelog
Summary of approved changes shipped this month.