Summary
Prometheus 3.0-beta has been released, focusing on backwards compatibility with numerous improvements and new features like a completely redesigned UI and enhanced Remote Write functionality. Key updates include native support for OpenTelemetry metrics, UTF-8 character support in metric names, and experimental Native Histograms for improved efficiency. While not recommended for production, the team encourages testing and feedback to ensure a stable final release, with the main breaking changes being the removal of previously deprecated feature flags.