Grafana Beyla 1.0 is an open-source eBPF auto-instrumentation tool designed for application observability, offering zero-code instrumentation for OpenTelemetry and Prometheus applications. Released at ObservabilityCON 2023, Beyla 1.0 introduces multi-process support, allowing a single instance to monitor various applications across different programming languages, enhancing resource efficiency, especially in microservice environments. The release also includes a heuristic HTTP path decorator to manage high cardinality in monitoring metrics and built-in support for Grafana Cloud, simplifying telemetry data integration. While Beyla currently supports single span traces, plans are underway to incorporate distributed traces, beginning with a prototype for Go applications, aiming to expand across other languages. Beyla's capabilities, including its compatibility with Grafana Tempo and the OpenTelemetry Collector, make it a versatile tool for developers seeking to enhance application visibility without modifying underlying code.