Welcome to the February 2026 ClickHouse newsletter, which will round up what’s happened in real-time data warehouses over the last month.

ClickHouse is a leading platform for open-source columnar database technology and real-time analytics. With ClickHouse, developers can delve into documentation, case studies, and performance benchmarks to learn how to build highly scalable and performant analytical systems. It provides tips about ClickHouse's storage engine, query execution, and distributed architecture. Developers can gain insights into their data in real-time, enabling them to make informed decisions and extract  business insights.

ClickHouse

The February 2026 ClickHouse newsletter covers a $400M Series D funding round, the acquisition of Langfuse (an open-source LLM observability platform), and the launch of an enterprise PostgreSQL service. Key technical highlights include the 26.1 release with new tokenizer support and Variant data type improvements, the official Kubernetes Operator for simplified cluster management, a data modeling guide for sub-second analytics, and a PostgreSQL+ClickHouse unified open-source data stack using PeerDB for CDC replication. Additional reads cover Top-N query optimization achieving 5-10× speedups, guardrail patterns for AI-generated queries, and a crypto trade completeness solution using Refreshable Materialized Views and ReplacingMergeTree.

February 2026 newsletter

Featured community member: Ino de Bruijn #

ClickHouse raises $400M Series D, acquires Langfuse, and launches Postgres #

Provable Completeness: Guaranteeing Zero Data Loss in Trade Collection from Crypto Exchanges #

Introducing the Official ClickHouse Kubernetes Operator: Seamless Analytics at Scale #

AI-Generated analytics without wrecking your cluster #

Data modeling guide for real-time analytics with ClickHouse #

PostgreSQL + ClickHouse as the Open Source unified data stack #