Changes for version 0.03 - 2026-05-21

  • Multi-host failover and connection Pool (circuit breaker, hedged queries, fan-out, sessions); async DNS; TLS mutual auth.
  • retry, wait_mutation, native external tables, idempotent and async/aggregated insert, Streamer backpressure.
  • More introspection helpers, the EV::ClickHouse::Error class, and new types (BFloat16, Decimal256, Interval, Geo, JSON).
  • Reliability and memory-safety fixes; docs and tests.

Documentation