core/v1.10.4 core/v1.11.0
medium risk
maximhq/bifrostSep 25, 2026 → Sep 29, 20264 days between releases
What's New
Adds reasoning support and fixes streaming termination issues.
New Features
- Adds support for reasoning.type 'between_tools' on chat and Responses requests
- Bedrock invoke ingress now reports usage.output_tokens_details.thinking_tokens
Improvements
- OpenRouter errors now surface the upstream provider's specific message
Bug Fixes
- Fixed stream termination for Anthropic and Gemini responses to handle incomplete details
- Fixed file_data formatting for OpenAI-shaped providers
- Fixed OpenAI Responses dropping function_call input items that do not begin with fc
Upgrade Notes
No breaking API changes, but models supporting new reasoning types may behave differently. No configuration migration required.
The Two Releases
core/v1.10.4
Core v1.10.4
Sep 25, 2026· 27 days ago
Fixes a regression where routing rules were decoded before custom providers were registered, causing legacy 'provider/model' fallback strings with unknown prefixes to be skipped silently.
Full release notescore/v1.11.0
Core v1.11.0
Sep 29, 2026· 23 days ago
Introduces 'between_tools' reasoning support for Bedrock and Anthropic, enhances error reporting for OpenRouter, and fixes stream termination and data formatting issues across providers.
Full release notes