Update 2025.09official
Marathon Development Update
Published Sep 16, 2025
Official development update outlining direction and production status.
Highlights
- Development-status communication published on Bungie.net.
- Supports continuity between testing and release phases.
- Used as a source anchor for long-lived systems guides.
Context
What we know: Bungie posted a Marathon development update.
Why it matters: Development posts frame what is stable versus still changing.
What to check next: Cross-reference launch FAQ and live-status posts for confirmed release scope.