litellm

LiteLLM v1.88.0 adds support for Gemini 3.5 Flash and Gemini 3.1 Flash Lite models with cost mapping, plus Gemini managed agents functionality. New features include Docker image signature verification using cosign, SSE streaming for the playground interactions API, and enhanced metrics with user email and team aliases in Prometheus. The release also introduces native MCP OAuth support for Cursor and improved OTEL span propagation with team information.

LiteLL v1.89.0-rc.1 adds several new integrations and security enhancements to the platform. Docker images now include cosign signature verification. New agent providers for WatsonX Orchestrate and LangFlow are introduced, with the latter supporting A2A session bridging. OpenTelemetry integration gains enhanced baggage support and MCP semantic conventions v2. MCP servers now feature per-key/team RPM rate limiting and OAuth passthrough capabilities. A native /health/drain hook enables graceful shutdowns, while Vertex AI Search engines gain URL support.