Bump Clang CI matrix: promote 22 to primary, add 21 to secondary

ednolan · claude · ednolan · commit 09ae1f44eab0 · 2026-03-15T02:54:21.000Z
- Promote Clang 22 to primary CI version (full test suite)
- Demote Clang 21 to secondary tier alongside 20 and 19 (Release.Default only)

Co-Authored-By: Claude Opus 4.6 &lt;noreply@anthropic.com&gt;
diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
@@ -74,7 +74,7 @@ jobs:
             }
           ],
           "clang": [
-            { "versions": ["21"],
+            { "versions": ["22"],
               "tests": [
                 {"cxxversions": ["c++26"],
                   "tests": [
@@ -93,7 +93,7 @@ jobs:
                 }
               ]
             },
-            { "versions": ["20", "19"],
+            { "versions": ["21", "20", "19"],
               "tests": [
                 { "cxxversions": ["c++26", "c++23", "c++20"],
                   "tests": [

Original file line number	Diff line number	Diff line change
`@@ -74,7 +74,7 @@ jobs:`
`74`	`74`	`}`
`75`	`75`	`],`
`76`	`76`	`"clang": [`
`77`		`- { "versions": ["21"],`
	`77`	`+ { "versions": ["22"],`
`78`	`78`	`"tests": [`
`79`	`79`	`{"cxxversions": ["c++26"],`
`80`	`80`	`"tests": [`
`@@ -93,7 +93,7 @@ jobs:`
`93`	`93`	`}`
`94`	`94`	`]`
`95`	`95`	`},`
`96`		`- { "versions": ["20", "19"],`
	`96`	`+ { "versions": ["21", "20", "19"],`
`97`	`97`	`"tests": [`
`98`	`98`	`{ "cxxversions": ["c++26", "c++23", "c++20"],`
`99`	`99`	`"tests": [`