May 2026 monthly summary for envoyproxy/ai-gateway focused on robustness improvements and reliability in real-time SSE data processing. Key changes center on fixing the SSE event parser to correctly handle fields without a mandatory space after the colon, aligning behavior with the SSE specification and preventing silent drops of important fields. The work included test coverage to validate the new behavior for both data:value and data: value, ensuring consistent parsing across scenarios and versions (notably v0.6.0 and main). Impact: Increased reliability for client real-time data streams, reduced risk of message loss, and improved developer confidence in the parser under varying backend payload formats. The change supports better real-time analytics and streaming use cases for downstream services consuming SSE events.