--- title: "v1.3.9" description: "v1.3.9 changelog" --- ## Changelog This release upgrades the base OSS version from v1.4.11 to v1.4.12, bringing a full-featured prompt repository with RBAC, large payload optimization, WebSocket-based responses API, Anthropic passthrough, session stickiness, and a unified pricing engine. On the enterprise side, this release adds KV store gossip protocol support, RBAC for the prompt repository, and build/deployment improvements. ## ✨ Features - **Prompt Repository** — Full prompt management system with folders, prompts, versions, sessions, playground, versioning, deployment features, and Jinja2 variable support - **Prompt Repository RBAC** — Added role-based access control for prompt repository operations - **Large Payload Optimization** — End-to-end large payload support with streaming primitives, detection hooks, passthrough eligibility, provider support, plugin awareness, and enterprise settings UI - **WebSocket Responses aAPI** — Added WebSocket transport for OpenAI responses API and realtime API support - **Anthropic Passthrough** — Added native Anthropic passthrough endpoint - **KV Store Gossip Protocol** — Added gossip-based KV store for distributed state synchronization - **Session Stickiness** — Added session stickiness in key selection for consistent routing - **Model Parameters API** — Added model parameters table and API endpoint with in-memory caching - **Virtual Key Limit Resets** — Added virtual key limit reset functionality - **Pricing Engine Refactor** — Unified cost calculation with quality-based image and video pricing - **Image Configuration** — Added size/aspect ratio config for Gemini and size-to-resolution conversion for Replicate - **Streaming Request Decompression** — Threshold-gated streaming decompression with pooled readers - **Raw Request/Response Storage** — Allow storing raw request/response without returning them to clients - **Weighted Routing Targets** — Added weighted routing targets for probabilistic routing rules with key selection support - **API Key Selection by ID** — Added API key selection by ID with priority over name selection - **TLS Configuration** — Added TLS configuration support for all providers and TLS termination inside Bifrost server - **K8s Deployment Workflow** — Added workflow to deploy Bifrost Enterprise to Maxim K8s cluster ## 🐞 Fixed - **Deterministic Tool Schema** — Fixed deterministic tool schema serialization for Anthropic prompt caching - **CORS Wildcard** — Fixed CORS issue with allowing * origin - **Bedrock toolChoice** — Fixed toolChoice silently dropped on Bedrock /converse and /converse-stream endpoints - **Count Tokens Passthrough** — Fixed request body passthrough for count tokens endpoint for Anthropic and Vertex - **Chat Finish Reason** — Map chat finish_reason to responses status and preserve terminal stream semantics - **Tool Call Indexes** — Fixed streaming tool call indices for parallel tool calls in chat completions stream - **Video Pricing** — Fixed video pricing calculation - **SQLite Migration** — Prevented CASCADE deletion during routing targets migration - **Log Serialization** — Reduced logstore serialization overhead and batch cost updates - **Log List Queries** — Avoid loading raw_request/raw_response in log list queries - **MCP Reconnection** — Improved MCP client reconnection with exponential backoff and connection timeout - **Create Manifest Flow** — Fixed create manifest flow - **Build Pipeline** — Fixed builds skipping latest changes - **BigQuery Import** — Fixed import for codeEditor in bigqueryFormFragment.tsx - **OSS Build Integration** — Support latest-main OSS build with go.mod replace directives ## 📀 Base OSS version `transports/v1.4.12` ## 🔌 If you are compiling plugin against this release - use following deps ``` github.com/maximhq/bifrost/core v1.4.8 github.com/maximhq/bifrost/framework v1.2.27 github.com/maximhq/bifrost/plugins/governance v1.4.28 github.com/maximhq/bifrost/plugins/logging v1.4.28 github.com/maximhq/bifrost/transports v1.4.12 ```