The April ClickHouse newsletter highlights various updates and events in the realm of real-time data warehouses. Key points include the release of version 24.3, which includes an enabled analyzer by default for improved query analysis and optimization; a blog post on storing continuous profiling data using ClickHouse by Coroot's Nikolay Sivko; Releem's successful migration from MySQL to ClickHouse, resulting in significant performance improvements; Rory Crispin's experience building a 19 PiB logging platform with ClickHouse and saving millions; Brad Lhotsky's proof-of-concept for a rate limiter using ClickHouse; upcoming events such as meetups and training sessions; video presentations from recent meetups; and updates to the ClickHouse Cloud, including new regions and beta support for continuous data ingestion.