product · May 21, 2026
ClickHouse Releases ClickStack Updates for April 2026
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The ClickStack Team published What's new in ClickStack - April 2026 on May 19, 2026. New features include SQL-powered alerts using ClickHouse window functions and rolling baselines. The otel_logs schema was redesigned with text indexes for attributes achieving up to 70% faster queries. Direct-read optimization for attribute maps delivers 1.4-10x faster attribute filters. Heatmaps became a first-class chart type and autocomplete uses materialized view rollups.
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