FIND-20260408-002 · 2026-04-08 · Innovation Veille
ClickHouse v26.3.4.11-lts released — new LTS patch
release
MEDIUM
ClickHouse v26.3.4.11-lts was released on April 7, 2026, advancing the LTS track from 26.3.3.20. This is a patch release on the long-term support branch. ODS uses ClickHouse in the Data Platform Zero-ETL layer for OLAP analytics fed by Debezium CDC. Patch releases on LTS tracks typically contain bug fixes and stability improvements. Upgrade recommended during next maintenance window.
Source
https://github.com/ClickHouse/ClickHouse/releases/tag/v26.3.4.11-lts
ODS Impact
Data Platform (ClickHouse OLAP layer) — receives CDC events from Redpanda/Debezium. No breaking changes expected on a patch LTS release. Validate materialized view queries after upgrade.
Security Review
License: Apache-2.0 | Maintenance: ACTIVE | Risk: LOW | Recommendation: SAFE_TO_USE
Tags
clickhouse
olap
data-platform
release
lts