Fastlanepatch CDN

Changelog

What shipped

Product and API changes, newest first. Breaking changes are announced at least 90 days ahead and listed here twice.

3 August 2026 · sdk

Fast TCP fallback for blocked peers

Peer UDP probing now falls back within eight seconds instead of ninety, after a carrier-level block affected 340,000 players in one country.

19 July 2026 · sdk

Verification as a separate stage

The SDK reports verification progress separately so a long verify on a hard disk does not look like a stall.

1 July 2026 · feature

Cohort publishing

Publish to a percentage of the player base for staged rollouts, with a one-call rollback.

14 June 2026 · fix

Chunk determinism on case-insensitive filesystems

Builds produced on Windows and Linux could chunk differently. Path normalisation fixed.