May 2026 focused on improving reliability and observability in the JavaScript client. Delivered enhanced error handling and detailed logging for event failures in Constructor-io/constructorio-client-javascript, providing richer context for unhandled errors and failed events. The change, anchored by commit 9ee9ca85791f4baaa9e22bb8cbc10bfd2dbecdae, updates events.js and src/utils/events.js with extended serialization to capture more diagnostic information without altering the public API. Business impact: improved incident triage speed, more trustworthy analytics, and a stronger foundation for proactive monitoring of event pipelines. Technical impact: higher-quality error telemetry, better maintainability of the event processing path, and clearer tracing across modules.