ObservabilityCON 2023, held in London, showcased advancements in open-source observability, emphasizing strategies to scale and modernize using the LGTM Stack, which includes Loki for logs, Grafana for visualization, Tempo for traces, and Mimir for metrics. Sessions, now available on demand, highlighted the integration of AI and machine learning into observability practices, offering insights into user experiences and system performance. Key sessions featured discussions on scalability, performance, and the observability journeys of organizations like Pipedrive, Wise Payments, and Maersk, who shared their migration experiences to the LGTM Stack. The event also covered Grafana Labs' developments, including the release of Grafana Beyla 1.0 and the acquisition of Asserts.ai, underscoring the evolving role of AI/ML in observability.