The October ClickHouse newsletter highlights various updates and features in real-time data warehouses. This issue includes first impressions of using ClickHouse for embedded analytics, handling high-volume data pipeline processing with asynchronous updates, the APPEND clause for refreshable materialized views, the pancake SQL pattern, and more. Additionally, it covers upcoming events, such as release calls, workshops, and meetups in various regions. The newsletter also features a community member, Duc-Canh Le, who has contributed significantly to ClickHouse's code base.