Move to bazel 7 and turn down support for bazel 6.

Migrate all tests to run on bazel 7 and fix errors that came up in the process. 30.x will no longer guarantee support for bazel 6.
#test-continuous

PiperOrigin-RevId: 703590770

.github/workflows/staleness_check.yml

@@ -50,6 +50,7 @@ jobs:
         # commit.
         uses: protocolbuffers/protobuf-ci/bazel@v3
         with:
+          version: 7.1.2 # Bazel version
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: staleness
           bash: >

.github/workflows/test_bazel.yml

@@ -29,18 +29,7 @@ jobs:
         runner: [ ubuntu, windows, macos ]
         bazelversion: [ '7.1.2' ]
         bzlmod: [ true, false ]
-        toolchain_resolution: [ "" ]
-        include:
-          - runner: ubuntu
-            bazelversion: '6.4.0'
-            # Not running Bazel 6 with bzlmod, because it doesn't support use_repo_rule in rules_jvm_external
-            bzlmod: false
-          - runner: ubuntu
-            bzlmod: false
-            toolchain_resolution: --incompatible_enable_proto_toolchain_resolution=true
-          - runner: ubuntu
-            bzlmod: true
-            toolchain_resolution: --incompatible_enable_proto_toolchain_resolution=true
+        toolchain_resolution: [ "", "--incompatible_enable_proto_toolchain_resolution=true" ]
     runs-on: ${{ matrix.runner }}-latest
     name: ${{ matrix.continuous-only && inputs.continuous-prefix || '' }} Examples ${{ matrix.runner }} ${{ matrix.bazelversion }}${{ matrix.bzlmod && ' (bzlmod)' || '' }} ${{ matrix.toolchain_resolution && ' (toolchain resolution)' || '' }}
     steps:

.github/workflows/test_cpp.yml

@@ -37,27 +37,27 @@ jobs:
           - { name: No-RTTI, flags: --cxxopt=-fno-rtti, continuous-only: true }
         include:
           # Set defaults
-          - image: us-docker.pkg.dev/protobuf-build/containers/test/linux/sanitize:6.4.0-27cf7b86212020d7e552bc13b1e084abb971da75
+          - image: us-docker.pkg.dev/protobuf-build/containers/test/linux/sanitize:7.1.2-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           - targets: //pkg/... //src/... @com_google_protobuf_examples//... //third_party/utf8_range/... //conformance:conformance_framework_tests
 
           # Override cases with custom images
           - config: { name: "Bazel7", flags: --noenable_bzlmod }
             cache_key: Bazel7
-            image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-cf84e92285ca133b9c8104ad7b14d70e953cbb8e"
+            image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75"
             targets: "//src/... //third_party/utf8_range/..."
             # TODO: remove -Wno-unreachable-code" when dropping C++14
           - config: { name: "Bazel7 with Bzlmod", flags: --enable_bzlmod --enable_workspace --per_file_copt=.*/absl/strings/string_view.h@-Wno-unreachable-code --cxxopt="-Wno-self-assign-overloaded" }
             cache_key: Bazel7bzlmod
-            image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-cf84e92285ca133b9c8104ad7b14d70e953cbb8e"
+            image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75"
             targets: "//src/... //third_party/utf8_range/..."
           - config: { name: "TCMalloc" }
             cache_key: TcMalloc
-            image: "us-docker.pkg.dev/protobuf-build/containers/test/linux/tcmalloc:6.4.0-27cf7b86212020d7e552bc13b1e084abb971da75"
+            image: "us-docker.pkg.dev/protobuf-build/containers/test/linux/tcmalloc:7.1.2-d9624f2aa83cba3eaf906f751d75b36aacb9aa82"
             targets: "//src/... //third_party/utf8_range/..."
           - config: { name: "aarch64" }
-            cache_key: TcMalloc
+            cache_key: aarch64-bazel7
             targets: "//src/... //src/google/protobuf/compiler:protoc_aarch64_test //third_party/utf8_range/..."
-            image: "us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:6.4.0-aarch64-08714ed7a713068c8418003a2d95f423d4b1eac9"
+            image: "us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:7.1.2-aarch64-2920199ab0090ed427413a8e422e62695c8392a8"
     name: ${{ matrix.config.continuous-only && inputs.continuous-prefix || '' }} Linux ${{ matrix.config.name }}
     runs-on: ${{ matrix.config.runner || 'ubuntu-latest' }}
     steps:
@@ -91,7 +91,7 @@ jobs:
       - name: Run tests
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/gcc:6.4.0-${{ matrix.version }}-27cf7b86212020d7e552bc13b1e084abb971da75
+          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/gcc:7.1.2-${{ matrix.version }}-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: cpp_linux/gcc-${{ matrix.version }}
           bazel: test //pkg/... //src/... @com_google_protobuf_examples//... //third_party/utf8_range/... //conformance:conformance_framework_tests
@@ -101,7 +101,7 @@ jobs:
       fail-fast: false   # Don't cancel all jobs if one fails.
       matrix:
         arch: [x86_64, aarch64]
-    name: Linux Release ${{ matrix.arch}}
+    name: Linux Release ${{ matrix.arch }}
     runs-on: ubuntu-20-4core
     steps:
       - name: Checkout pending changes
@@ -112,7 +112,7 @@ jobs:
         id: cross-compile
         uses: protocolbuffers/protobuf-ci/cross-compile-protoc@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:6.4.0-cf84e92285ca133b9c8104ad7b14d70e953cbb8e
+          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           architecture: linux-${{ matrix.arch }}
       - name: Setup sccache
@@ -123,7 +123,7 @@ jobs:
       - name: Run tests
         uses: protocolbuffers/protobuf-ci/docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:6.4.0-${{ matrix.arch }}-08714ed7a713068c8418003a2d95f423d4b1eac9
+          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:7.1.2-${{ matrix.arch }}-2920199ab0090ed427413a8e422e62695c8392a8
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           entrypoint: bash
           command: >
@@ -293,7 +293,7 @@ jobs:
         if: ${{ !matrix.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/gcc:6.4.0-12.2-27cf7b86212020d7e552bc13b1e084abb971da75
+          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/gcc:7.1.2-12.2-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           entrypoint: bash
           command: >-
@@ -341,15 +341,9 @@ jobs:
       matrix:
         include:
           - name: MacOS Bazel
-            os: macos-13
-            cache_key: macos-13
-            bazel: test //src/... //third_party/utf8_range/... //conformance:conformance_framework_tests
-          - name: MacOS Bazel 7
             os: macos-13
             cache_key: macos-13-bazel7
             bazel: test //src/... //third_party/utf8_range/... //conformance:conformance_framework_tests
-            bazel_version: '7.1.2'
-            continuous-only: true
           - name: MacOS Apple Silicon (build only) Bazel
             os: macos-13
             cache_key: macos-13-arm
@@ -357,15 +351,9 @@ jobs:
             # for Apple Silicon to detect issues there.
             bazel: build --cpu=darwin_arm64 //src/... //third_party/utf8_range/... //conformance:conformance_framework_tests
           - name: Windows Bazel
-            os: windows-2022
-            cache_key: windows-2022
-            bazel: test //src/...  @com_google_protobuf_examples//... --test_tag_filters=-conformance --build_tag_filters=-conformance
-          - name: Windows Bazel 7 
             os: windows-2022
             cache_key: windows-2022-bazel7
             bazel: test //src/...  @com_google_protobuf_examples//... --test_tag_filters=-conformance --build_tag_filters=-conformance
-            bazel_version: '7.1.2'
-            continuous-only: true
     name: ${{ matrix.continuous-only && inputs.continuous-prefix || '' }} ${{ matrix.name }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -381,7 +369,7 @@ jobs:
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel: ${{ matrix.bazel }}
           bazel-cache: cpp_${{ matrix.cache_key }}
-          version: ${{ matrix.bazel_version || '6.4.0' }}
+          version: ${{ matrix.bazel_version || '7.1.2' }}
 
   non-linux-cmake:
     strategy:

.github/workflows/test_csharp.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Run tests
         uses: protocolbuffers/protobuf-ci/docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/csharp:6.4.0-3.1.415-6.0.100-08714ed7a713068c8418003a2d95f423d4b1eac9
+          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/csharp:7.1.2-3.1.415-6.0.100-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           entrypoint: /bin/bash
           command: >-
@@ -43,7 +43,7 @@ jobs:
       - name: Run conformance tests
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/csharp:6.4.0-3.1.415-6.0.100-08714ed7a713068c8418003a2d95f423d4b1eac9
+          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/csharp:7.1.2-3.1.415-6.0.100-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: csharp_linux
           bazel: test //csharp:conformance_test --action_env=DOTNET_CLI_TELEMETRY_OPTOUT=1 --test_env=DOTNET_CLI_HOME=/home/bazel

.github/workflows/test_java.yml

@@ -30,32 +30,33 @@ jobs:
         include:
           - name: OpenJDK 8
             cache_key: '8'
-            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:6.4.0-8-27cf7b86212020d7e552bc13b1e084abb971da75
+            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:7.1.2-8-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
             # TODO: b/318555165 - enable the layering check. Currently it does
             # not work correctly with the toolchain in this Docker image.
             targets: //java/... //java/internal:java_version //compatibility/... --features=-layering_check
+            flags: --java_language_version=8
           - name: OpenJDK 11
             cache_key: '11'
-            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:6.4.0-11-27cf7b86212020d7e552bc13b1e084abb971da75
+            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:7.1.2-11-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
             targets: //java/... //java/internal:java_version //compatibility/...
             continuous-only: true
           - name: OpenJDK 17
             cache_key: '17'
-            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:6.4.0-17-27cf7b86212020d7e552bc13b1e084abb971da75
+            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:7.1.2-17-641278a52587c01f44525819b76499db35c2804d
             targets: //java/... //java/internal:java_version //compatibility/...
           - name: Bazel7
             cache_key: 'bazel7nobzlmod'
-            image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-cf84e92285ca133b9c8104ad7b14d70e953cbb8e
+            image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75
             targets: //java/... //java/internal:java_version //compatibility/...
             flags: --noenable_bzlmod
           - name: Bazel7 with Bzlmod
             cache_key: 'bazel7bzlmod'
-            image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-cf84e92285ca133b9c8104ad7b14d70e953cbb8e
+            image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75
             targets: //java/... //java/internal:java_version //compatibility/...
             flags: --enable_bzlmod --enable_workspace
           - name: aarch64
             cache_key: 'aarch64'
-            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:6.4.0-aarch64-08714ed7a713068c8418003a2d95f423d4b1eac9
+            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:7.1.2-aarch64-2920199ab0090ed427413a8e422e62695c8392a8
             targets: //java/... //compatibility/... //src/google/protobuf/compiler:protoc_aarch64_test
 
     name: ${{ matrix.continuous-only && inputs.continuous-prefix || '' }} Linux ${{ matrix.name }}
@@ -105,7 +106,7 @@ jobs:
     - name: Generate maven artifacts with bazel and install using maven
       uses: protocolbuffers/protobuf-ci/bazel-docker@v3
       with:
-        image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:6.4.0-11-27cf7b86212020d7e552bc13b1e084abb971da75
+        image: us-docker.pkg.dev/protobuf-build/containers/test/linux/java:7.1.2-11-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
         credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
         bazel-cache: java_linux/11
         bash: |

.github/workflows/test_objectivec.yml

@@ -111,6 +111,7 @@ jobs:
         if: ${{ !matrix.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel@v3
         with:
+          version: 7.1.2 # Bazel version
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: cocoapods/${{ matrix.XCODE }}
           bash: |
@@ -158,6 +159,7 @@ jobs:
         if: ${{ !matrix.config.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel@v3
         with:
+          version: 7.1.2 # Bazel version
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel: ${{ matrix.config.bazel_action }} ${{ matrix.config.flags }} ${{ matrix.bazel_targets }}
           bazel-cache: objc_${{ matrix.platform }}_${{ matrix.config.name }}

.github/workflows/test_php_ext.yml

@@ -35,6 +35,7 @@ jobs:
       - name: Package extension
         uses: protocolbuffers/protobuf-ci/bazel@v3
         with:
+          version: 7.1.2 # Bazel version
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: php_ext/${{ matrix.version }}
           bash: >

.github/workflows/test_python.yml

@@ -41,7 +41,7 @@ jobs:
             targets: //python/... //python:aarch64_test
             # TODO Enable this once conformance tests are fixed.
             flags: --define=use_fast_cpp_protos=true --test_tag_filters=-conformance
-            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:aarch64-63dd26c0c7a808d92673a3e52e848189d4ab0f17
+            image: us-docker.pkg.dev/protobuf-build/containers/test/linux/emulation:7.1.2-aarch64-2920199ab0090ed427413a8e422e62695c8392a8
           - version: "3.9"
           - version: "3.10"
             continuous-only: true

.github/workflows/test_ruby.yml

@@ -51,9 +51,9 @@ jobs:
         if: ${{ !matrix.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: ${{ matrix.image || format('us-docker.pkg.dev/protobuf-build/containers/test/linux/ruby:6.4.0-{0}-27cf7b86212020d7e552bc13b1e084abb971da75', matrix.ruby) }}
+          image: ${{ matrix.image || format('us-docker.pkg.dev/protobuf-build/containers/test/linux/ruby:7.1.2-{0}-d9624f2aa83cba3eaf906f751d75b36aacb9aa82', matrix.ruby) }}
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
-          bazel-cache: ruby_linux/${{ matrix.ruby }}_${{ matrix.bazel }}
+          bazel-cache: ruby_linux/${{ matrix.ruby }}
           bazel: test //ruby/... //ruby/tests:ruby_version --test_env=KOKORO_RUBY_VERSION --test_env=BAZEL=true ${{ matrix.ffi == 'FFI' && '--//ruby:ffi=enabled --test_env=PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION=FFI' || '' }}
 # Useful tool for troubleshooting, but the action introduces flakes as well,
 # e.g. https://github.com/actions/upload-artifact/issues/569
@@ -77,7 +77,7 @@ jobs:
         id: cross-compile
         uses: protocolbuffers/protobuf-ci/cross-compile-protoc@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:6.4.0-cf84e92285ca133b9c8104ad7b14d70e953cbb8e
+          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           architecture: linux-i386
 
@@ -108,7 +108,7 @@ jobs:
         id: cross-compile
         uses: protocolbuffers/protobuf-ci/cross-compile-protoc@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:6.4.0-cf84e92285ca133b9c8104ad7b14d70e953cbb8e
+          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-cf84e92285ca133b9c8104ad7b14d70e953cbb8e
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           architecture: linux-aarch64
 
@@ -164,6 +164,7 @@ jobs:
         if: ${{ !matrix.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel@v3
         with:
+          version: 7.1.2 # Bazel version
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: ruby_macos/${{ matrix.version }}
           bazel: test //ruby/... --test_env=KOKORO_RUBY_VERSION=${{ matrix.version }} --test_env=BAZEL=true ${{ matrix.ffi == 'FFI' && '--//ruby:ffi=enabled --test_env=PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION=FFI' || '' }}
@@ -196,7 +197,7 @@ jobs:
         if: ${{ inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/ruby:6.4.0-${{ matrix.ruby }}-27cf7b86212020d7e552bc13b1e084abb971da75
+          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/ruby:7.1.2-${{ matrix.ruby }}-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: ruby_install/${{ matrix.ruby }}_${{ matrix.bazel }}
           bash: >

.github/workflows/test_rust.yml

@@ -26,12 +26,12 @@ jobs:
 
         include:
           - targets: "//rust/... //src/google/protobuf/compiler/rust/..."
-          - image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.1-97f82260fd504923d8af642d567afb2d83a1959d"
+          - image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75"
           - bazel_cmd: "test"
 
           # Override cases with custom images
           - config: { name: Cargo }
-            image: "us-docker.pkg.dev/protobuf-build/containers/release/linux/rust:6.3.0-1.74.0-8858126dd9480abf91e6ce8d6e41a5cd3c03882c"
+            image: "us-docker.pkg.dev/protobuf-build/containers/release/linux/rust:7.1.2-1.74.0-d9624f2aa83cba3eaf906f751d75b36aacb9aa82"
             bazel_cmd: "run"
             targets: "//rust/release_crates:cargo_test"
     name: Linux ${{ matrix.config.name }}

.github/workflows/test_upb.yml

@@ -28,7 +28,6 @@ jobs:
       fail-fast: false   # Don't cancel all jobs if one fails.
       matrix:
         config:
-          - { name: "Bazel 7", bazel_version: "7.1.1", continuous-only: true }
           - { name: "Fastbuild" }
           - { name: "Optimized", flags: "-c opt", continuous-only: true }
           - { name: "ASAN", flags: "--config=asan -c dbg", exclude-targets: "-//benchmarks:benchmark -//python/...", runner: ubuntu-22-4core }
@@ -50,7 +49,7 @@ jobs:
         if: ${{ !matrix.config.continuous-only || inputs.continuous-run }}
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/sanitize:${{ matrix.config.bazel_version || '6.4.0' }}-27cf7b86212020d7e552bc13b1e084abb971da75
+          image: us-docker.pkg.dev/protobuf-build/containers/test/linux/sanitize:${{ matrix.config.bazel_version || '7.1.2' }}-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: upb-bazel
           bazel: test --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 //bazel/... //benchmarks/... //lua/... //python/... //upb/... //upb_generator/... ${{ matrix.config.flags }}
@@ -69,7 +68,7 @@ jobs:
       - name: Run tests
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: "us-docker.pkg.dev/protobuf-build/containers/test/linux/gcc:6.4.0-12.2-27cf7b86212020d7e552bc13b1e084abb971da75"
+          image: "us-docker.pkg.dev/protobuf-build/containers/test/linux/gcc:7.1.2-12.2-d9624f2aa83cba3eaf906f751d75b36aacb9aa82"
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: "upb-bazel-gcc"
           bazel: >-
@@ -98,7 +97,7 @@ jobs:
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: "upb-bazel-windows"
           bazel: test --cxxopt=/std:c++17 --host_cxxopt=/std:c++17 //upb/... //upb_generator/... //python/...
-          version: 6.4.0
+          version: 7.1.2
           exclude-targets: -//python:conformance_test -//upb/reflection:def_builder_test
 
   macos:
@@ -127,7 +126,7 @@ jobs:
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: "upb-bazel-macos"
           bazel: ${{ matrix.config.bazel-command }} --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 ${{ matrix.config.flags }} //bazel/... //benchmarks/... //lua/... //python/... //upb/... //upb_generator/...
-          version: 6.4.0
+          version: 7.1.2
 
   no-python:
     strategy:
@@ -142,7 +141,7 @@ jobs:
       - name: Run tests
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:6.4.0-cf84e92285ca133b9c8104ad7b14d70e953cbb8e
+          image: us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.2-27cf7b86212020d7e552bc13b1e084abb971da75
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: "upb-bazel-no-python"
           bash: >-
@@ -163,10 +162,10 @@ jobs:
       - name: Build Wheels
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: us-docker.pkg.dev/protobuf-build/release-containers/linux/apple:6.4.0-5be0f4fde927ca702ed4cebe096bfb632d6d9a36
+          image: us-docker.pkg.dev/protobuf-build/release-containers/linux/apple:7.1.2-d9624f2aa83cba3eaf906f751d75b36aacb9aa82
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: upb-bazel-python
-          bazel: build --crosstool_top=//toolchain:clang_suite --//toolchain:release=true --symlink_prefix=/ -c dbg //python/dist //python/dist:test_wheel //python/dist:source_wheel
+          bazel: build --crosstool_top=//toolchain:clang_suite --//toolchain:release=true --symlink_prefix=/ -c dbg --incompatible_enable_cc_toolchain_resolution=false //python/dist //python/dist:test_wheel //python/dist:source_wheel
       - name: Move Wheels
         run: mkdir wheels && find _build/out \( -name 'protobuf*.whl' -o -name 'protobuf-*.tar.gz' \) -exec mv '{}' wheels ';'
       - uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0

MODULE.bazel

@@ -15,6 +15,7 @@ module(
 bazel_dep(name = "abseil-cpp", version = "20240722.0", repo_name = "com_google_absl")
 bazel_dep(name = "bazel_skylib", version = "1.7.0")
 bazel_dep(name = "jsoncpp", version = "1.9.6")
+bazel_dep(name = "apple_support", version = "1.15.1", repo_name = "build_bazel_apple_support")
 bazel_dep(name = "rules_cc", version = "0.0.16")
 bazel_dep(name = "rules_fuzzing", version = "0.5.2")
 bazel_dep(name = "rules_java", version = "8.3.2")

WORKSPACE

@@ -24,6 +24,10 @@ load("//:protobuf_extra_deps.bzl", "protobuf_extra_deps")
 
 protobuf_extra_deps()
 
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 load("@rules_python//python:repositories.bzl", "py_repositories")
 
 py_repositories()
@@ -98,6 +102,12 @@ load("@build_bazel_apple_support//lib:repositories.bzl", "apple_support_dependen
 
 apple_support_dependencies()
 
+load("@rules_java//java:repositories.bzl", "rules_java_dependencies", "rules_java_toolchains")
+
+rules_java_dependencies()
+
+rules_java_toolchains()
+
 load("@rules_cc//cc:repositories.bzl", "rules_cc_dependencies")
 
 rules_cc_dependencies()
@@ -241,6 +251,7 @@ crate_repositories()
 # For testing runtime against old gencode from a previous major version.
 http_archive(
     name = "com_google_protobuf_v25.0",
+    integrity = "sha256-e+7ZxRHWMs/3wirACU3Xcg5VAVMDnV2n4Fm8zrSIR0o=",
     strip_prefix = "protobuf-25.0",
     url = "https://github.com/protocolbuffers/protobuf/releases/download/v25.0/protobuf-25.0.tar.gz",
 )

ci/common.bazelrc

@@ -87,3 +87,5 @@ build --verbose_failures
 # Important: this flag ensures that we remain compliant with the C++ layering
 # check.
 build --features=layering_check
+
+build --enable_platform_specific_config

ci/macOS.bazelrc

@@ -4,6 +4,8 @@ build --cxxopt=-std=c++17 --host_cxxopt=-std=c++17
 build --cxxopt="-Woverloaded-virtual"
 build --copt="-Wpointer-arith"
 build --copt="-Werror" --copt="-Wno-sign-compare" --copt="-Wno-sign-conversion" --copt="-Wno-error=sign-conversion" --copt="-Wno-deprecated-declarations"
-common --repo_env=BAZEL_NO_APPLE_CPP_TOOLCHAIN=1
 common --xcode_version_config=@com_google_protobuf//.github:host_xcodes
 
+build --apple_crosstool_top=@local_config_apple_cc//:toolchain
+build --crosstool_top=@local_config_apple_cc//:toolchain
+build --host_crosstool_top=@local_config_apple_cc//:toolchain

protobuf_deps.bzl

@@ -52,6 +52,14 @@ def _github_archive(repo, commit, **kwargs):
 def protobuf_deps():
     """Loads common dependencies needed to compile the protobuf library."""
 
+    if not native.existing_rule("bazel_features"):
+        http_archive(
+            name = "bazel_features",
+            sha256 = "95fb3cfd11466b4cad6565e3647a76f89886d875556a4b827c021525cb2482bb",
+            strip_prefix = "bazel_features-1.10.0",
+            url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.10.0/bazel_features-v1.10.0.tar.gz",
+        )
+
     if not native.existing_rule("bazel_skylib"):
         http_archive(
             name = "bazel_skylib",
@@ -152,15 +160,15 @@ def protobuf_deps():
     if not native.existing_rule("build_bazel_rules_apple"):
         http_archive(
             name = "build_bazel_rules_apple",
-            sha256 = "9c4f1e1ec4fdfeac5bddb07fa0e872c398e3d8eb0ac596af9c463f9123ace292",
-            url = "https://github.com/bazelbuild/rules_apple/releases/download/3.2.1/rules_apple.3.2.1.tar.gz",
+            sha256 = "b892911288715b354e05b9a6fe9009635f7155991f24f27e779fe80d435c92bc",
+            url = "https://github.com/bazelbuild/rules_apple/releases/download/3.13.0/rules_apple.3.13.0.tar.gz",
         )
 
     if not native.existing_rule("build_bazel_apple_support"):
         http_archive(
             name = "build_bazel_apple_support",
-            sha256 = "100d12617a84ebc7ee7a10ecf3b3e2fdadaebc167ad93a21f820a6cb60158ead",
-            url = "https://github.com/bazelbuild/apple_support/releases/download/1.12.0/apple_support.1.12.0.tar.gz",
+            sha256 = "c4bb2b7367c484382300aee75be598b92f847896fb31bbd22f3a2346adf66a80",
+            url = "https://github.com/bazelbuild/apple_support/releases/download/1.15.1/apple_support.1.15.1.tar.gz",
         )
 
     if not native.existing_rule("rules_kotlin"):

toolchain/toolchains.bazelrc

@@ -1,6 +1,7 @@
 build:cross_config --crosstool_top=//toolchain:clang_suite
 build:cross_config --//toolchain:release=true
 build:cross_config --host_crosstool_top=@bazel_tools//tools/cpp:toolchain
+build:cross_config --incompatible_enable_cc_toolchain_resolution=false
 
 build:linux-aarch_64 --config=cross_config --cpu=linux-aarch_64
 build:linux-aarch64 --config=cross_config --cpu=linux-aarch_64