maximhq/bifrost transports/v1.5.16

Bifrost HTTP v1.5.16

on GitHub

Bifrost HTTP Transport Release v1.5.16

✨ Features

• Failed-Request Billing — Bill for tokens a provider already processed when a stream is cancelled or times out, so partial usage is still accounted (closes #3357)
• Airgapped Local Sync — Model catalog pricing and model parameters can now sync from local files for airgapped deployments (closes #4305)
• MCP Extra Header Forwarding — Allowlisted per-request extra headers are now forwarded to MCP tool calls, including ping/list_tools
• Business Unit & User Tracing — Traces now capture business unit and user names/IDs for richer attribution
• Dashboard Export — Added a dashboard export endpoint to download dashboard data
• Virtual Key Rankings — New Virtual Key Rankings tab in the dashboard
• Group Traces by Sessions — Traces can now be grouped by session via config.json and Helm
• Guardrails Evaluation Mode — Exposed evaluation mode in guardrail schemas

🐞 Fixed

• Anthropic Streaming — Fixed duplicate message_start event in the Anthropic stream (closes #4556)
• Bedrock Streaming — Encode Bedrock stream errors as EventStream exceptions, fixing ChecksumMismatch / corrupted EventStream on PostLLMHook errors (closes #4545) (thanks @jstar0!)
• Bedrock MCP Tools — Strip provider-unsupported server tools (e.g. mcp) on the Bedrock/Anthropic Responses path instead of failing the whole request, restoring pre-v1.5.0 behavior (closes #3795)
• Bedrock Streaming Buffering — Send Accept-Encoding: identity on Bedrock streams so responses arrive incrementally instead of buffering until generation completes (fixes TTFB collapse) (closes #4542)
• OpenRouter Server Tools — Preserve OpenRouter server tools (openrouter:web_search) on the OpenAI Responses path instead of stripping them in filterUnsupportedTools (thanks @abdenasseraroukhsiss!)
• Vertex Image URLs — Remote image URLs are now inlined to base64 for Anthropic-on-Vertex, which rejects url-source images (previously only documents were inlined)
• Bedrock MiniMax — Fixed Bedrock signature handling for MiniMax models
• Bedrock Nova — Fixed Nova model handling on Bedrock
• Bedrock Batch — Corrected model id in Bedrock batch requests
• Feature Gating — Resolve model names for feature gating; return 403 correctly and fix 403 errors on list-models requests
• Governance on OAuth — Run governance on Claude Code OAuth requests when a virtual key is present; removed the skip-key-selection check from the pre-LLM hook
• Conflict Handling — Return 409 for Conflict errors
• Container Delete — Added explicit content-type header for container delete
• File Serving — Handle URL-encoded file names in URL params for the single-file serving endpoint
• Plugins Config — Fixed redaction setting in plugins config (#4486)
• Migrations — Fixed canonical_model_view migration

🔧 Maintenance

• Network Defaults — Updated default network config timings
• Dependencies — Dependabot dependency updates

🐙 Closed GitHub Issues

• #2887 — Listing models for a virtual key not associated with all providers adds errors to logs
• #3357 — Bifrost Billing Discrepancy Analysis Report
• #3795 — MCP tools fail with Bedrock provider in v1.5.0
• #4305 — Model parameters can't be configured locally
• #4530 — /v1/responses strips OpenRouter server tools (openrouter:web_search) via filterUnsupportedTools
• #4542 — Bedrock streaming responses buffered server-side — TTFB matches total generation time
• #4545 — Bedrock streaming ChecksumMismatch / corrupted AWS EventStream
• #4556 — Duplicate message_start SSE frame on Anthropic passthrough

Installation

Docker

docker run -p 8080:8080 maximhq/bifrost:v1.5.16

Binary Download

npx @maximhq/bifrost --transport-version v1.5.16

Docker Images

• maximhq/bifrost:v1.5.16 - This specific version
• maximhq/bifrost:latest - Latest version (updated with this release)

This release was automatically created with dependencies: core v1.5.22, framework v1.3.22. All plugins have been validated and updated.