The October edition of What's New in ClickStack introduces several enhancements to improve the observability stack for ClickHouse, including alerting in ClickHouse Cloud, customizable Event Deltas, multiline search support, and new dashboard filters. Alerting now allows real-time alerts across logs, metrics, and traces with seamless integrations and configurable options, while dashboard filters enable easy and interactive exploration without complexity. Event Deltas have been upgraded for greater flexibility, offering advanced analyses for identifying performance regressions. Other improvements include the introduction of Filter Percentages for better data distribution understanding, configurable Kubernetes dashboards for tailored data analysis, and performance optimizations such as request chunking for faster query responses. These updates reflect ClickStack's commitment to providing a robust, intuitive, and efficient observability experience at scale, driven by community contributions and user feedback.