diff --git a/.github/workflows/build_tests_release.yml b/.github/workflows/build_tests_release.yml
index d6130eaa0..0750cba7d 100644
--- a/.github/workflows/build_tests_release.yml
+++ b/.github/workflows/build_tests_release.yml
@@ -104,6 +104,8 @@ jobs:
           - { version: { short: 'M' }, image: { short: 'U24_G13_CU126' } }
           - { version: { short: 'M' }, image: { short: 'U24_C18_CU126' } }
           - { version: { short: 'M' }, image: { short: 'U24_ACPP' } }
+          # Ce test est fait par build_tests_required.
+          - { image: { short: 'U24_C19' }, version: { short: 'M' }, config: { type: 'Check' }, mpi: { implementation: 'OMPI' } }
 
 
     name: '[${{matrix.image.short}}_${{matrix.version.short}}]_${{matrix.mpi.implementation}}_${{matrix.config.type}}'
diff --git a/.github/workflows/build_tests_required_pr.yml b/.github/workflows/build_tests_required_pr.yml
new file mode 100644
index 000000000..0615c6598
--- /dev/null
+++ b/.github/workflows/build_tests_required_pr.yml
@@ -0,0 +1,62 @@
+name: '[Require PR] Build/Install/Test Arcane Framework (Ubuntu 24.04 / CLang 19 / Minimal)'
+
+on:
+  pull_request:
+    branches: [ main, dev/cea ]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  build-install-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        image:
+          - short: 'U24_C19'
+            long: 'ubuntu-2404'
+            compilo_name: 'clang'
+            compilo_version: '19'
+            acc_compilo_name: ''
+            acc_compilo_version: ''
+            date: '20250120'
+            args: '-DARCCORE_CXX_STANDARD=23'
+            execute_tests: true
+
+        version:
+          - short: 'M'
+            long: 'minimal'
+            args: '-DARCANE_DISABLE_PERFCOUNTER_TESTS=ON'
+
+        config:
+          - type: 'Check'
+            excluded_tests: '^.*([3-9]proc|[1-9][0-9]+proc|[3-9]thread|[1-9][0-9]+thread).*$'
+            excluded_tests_with_labels: 'LARGE_HYBRID'
+            ctest_args: '-j4 --timeout 1200'
+
+        mpi:
+          - implementation: 'OMPI'
+
+    name: '[${{matrix.image.short}}_${{matrix.version.short}}]_${{matrix.mpi.implementation}}_${{matrix.config.type}}'
+    # La partie 'uses' est déterminée à la compilation, donc on ne peut pas mettre de variable ${{}}.
+    uses: 'arcaneframework/gh_actions/.github/workflows/reusable_test_framework.yml@v3'
+    with:
+      image: ghcr.io/arcaneframework/${{matrix.image.long}}:${{matrix.image.compilo_name}}-${{matrix.image.compilo_version}}_${{matrix.version.long}}_${{matrix.image.date}}
+      compilo_name: ${{ matrix.image.compilo_name }}
+      compilo_version: ${{ matrix.image.compilo_version }}
+      acc_compilo_name: ${{ matrix.image.acc_compilo_name }}
+      acc_compilo_version: ${{ matrix.image.acc_compilo_version }}
+      mpi: ${{ matrix.mpi.implementation }}
+      type_build: ${{ matrix.config.type }}
+      cmake_additionnal_args: '${{ matrix.image.args }} ${{ matrix.version.args }}'
+      verbose: true
+      ccache_debug_mode: false
+      with_samples: true
+      execute_tests: ${{ matrix.image.execute_tests }}
+      excluded_tests: ${{ matrix.config.excluded_tests }}
+      excluded_tests_with_labels: ${{ matrix.config.excluded_tests_with_labels }}
+      ctest_additionnal_args: ${{ matrix.config.ctest_args }}
+      cache_key_prefix: ${{matrix.image.short}}_${{matrix.version.short}}
+      artifact_key_prefix: ${{matrix.image.short}}_${{matrix.version.short}}_${{matrix.mpi.implementation}}_${{matrix.config.type}}