From f33d52d8557f010fbcd4531c243c3623312e5ae4 Mon Sep 17 00:00:00 2001
From: Polyglot AI <293096396+polyglotAI-bot@users.noreply.github.com>
Date: Mon, 24 Aug 2026 05:14:56 +0000
Subject: [PATCH] ci(workflows): extend CH version matrix to 26.5, 26.6, 26.7

Bring the integration-test coverage onto the support policy: the 2 most
recent LTS series (25.8, 26.3) plus the 3 most recent stable series
(26.5, 26.6, 26.7). CH head stays covered by test_head.yml.
---
 .github/workflows/build.yml | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ccec4fb70..fa6f02c8f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -149,9 +149,11 @@ jobs:
     needs: compile
     strategy:
       matrix:
-        # most recent LTS releases as well as latest stable builds
+        # the 2 most recent LTS releases (25.8, 26.3) and the 3 most recent
+        # stable releases (26.5, 26.6, 26.7), plus the floating "latest" tag.
+        # CH head is covered by the dedicated test_head.yml workflow.
         # https://github.com/ClickHouse/ClickHouse/pulls?q=is%3Aopen+is%3Apr+label%3Arelease
-        clickhouse: ["25.8", "26.3", "latest"]
+        clickhouse: ["25.8", "26.3", "26.5", "26.6", "26.7", "latest"]
         project: ["clickhouse-http-client", "client-v2"]
       fail-fast: false
     timeout-minutes: 15
@@ -303,7 +305,7 @@ jobs:
     needs: test-java-client
     strategy:
       matrix:
-        clickhouse: ["25.8", "26.3", "latest"]
+        clickhouse: ["25.8", "26.3", "26.5", "26.6", "26.7", "latest"]
         # here http, http_client and apache_http_client represent different value of http_connection_provider
 #        protocol: ["http", "http_client", "apache_http_client"]
         protocol: ["apache_http_client"]
@@ -363,7 +365,7 @@ jobs:
     needs: test-jdbc-driver
     strategy:
       matrix:
-        clickhouse: ["25.8", "26.3", "latest"]
+        clickhouse: ["25.8", "26.3", "26.5", "26.6", "26.7", "latest"]
         # grpc is not fully supported, and http_client and apache_http_client do not work in CI environment(due to limited threads?)
         protocol: ["http"]
         r2dbc: ["1.0.0.RELEASE", "0.9.1.RELEASE"]