May 2026 monthly summary for envoyproxy/ai-gateway focused on reliability and correct data flow for Anthropic integration. Delivered a targeted bug fix in the AWSAnthropic backend to properly translate the anthropic-beta header into the request body (anthropic_beta) to support multiple opt-ins and restore correct opt-in behavior.

Month: 2025-03 — Delivered end-to-end instrumentation for Spring Pulsar usage in Java applications, enabling trace collection for Pulsar message consumption and production within Spring apps. This release includes new instrumentation modules, configuration defaults, and updates to build scripts, documentation, and core Java agent instrumentation to ensure reliable tracing and easier adoption. The work improves observability for message-driven workloads and supports faster issue diagnosis and performance insights for Spring-based pipelines.

January 2025 performance summary: Strengthened cross-platform reliability and controlled feature rollout through targeted CI/CD and version gating improvements across two repositories. These changes reduce release risk, improve Windows-focused test coverage, and lay the groundwork for broader platform support.