transports/v2.2.6 core/v1.11.3

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maximhq/bifrostOct 6, 2026 → Oct 6, 20260 days between releases

What's New

Fixes billing header stripping regression caused by per-message effort

Bug Fixes

  • Restores Claude Code billing header extraction logic that was stripped by effort-only system messages
  • Fixes header placement issue where per-message effort messages pushed the billing header out of the first slot

Upgrade Notes

Upgrade to Core v1.11.3 to restore the Anthropic billing header extraction logic broken by per-message effort messages in v2.2.6. Ensure you are running the updated core binary alongside your transports.

The Two Releases

transports/v2.2.6

Bifrost HTTP v2.2.6

Oct 6, 2026· 16 days ago

Transports v2.2.6 introduces a setup lock for unauthenticated deployments, defaults inference auth to on, and enforces strict OAuth issuer requirements, alongside new features for per-message effort and tool streaming.

Full release notes
core/v1.11.3

Core v1.11.3

Oct 6, 2026· 16 days ago

Core v1.11.3 fixes a regression where the Anthropic billing header was incorrectly stripped when an effort-only system message appeared before it.

Full release notes