diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc80ecb58..6bc569143 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,214 +76,9 @@ env:
     ~/.cargo/git/db/
 
 jobs:
-  fmt:
-    name: Check formatting
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use system Rust
-      run: rustup override set stable
-
-    - name: cargo fmt
-      # This runs on the entire repository, including submodules
-      run: cargo fmt -- --check
-
-  lint:
-    name: Lint ${{ matrix.name }}
-    runs-on: ubuntu-latest
-
-    strategy:
-      # These jobs are "cheap" to run, will likely run in parallel anyhow, and
-      # it can be useful to know exactly which parts failed.
-      fail-fast: false
-      matrix:
-        include:
-        # Check three major architectures (x86_64, Aarch64 and any 32bit), and
-        # test three OS'es (macOS, iOS and a more obscure one, visionOS simulator).
-        #
-        # This should give us fairly good coverage for normal PRs.
-        - name: macOS x86_64
-          target: x86_64-apple-darwin
-          args: $PUBLIC_CRATES $FRAMEWORKS_MACOS_14 $INTERESTING_FEATURES
-        - name: iOS ARMv7s
-          target: armv7s-apple-ios
-          build-std: true
-          # `cc` works poorly when cross-compiling, so let's ignore `objc2-exception-helper` for now.
-          args: --package=block2 --package=objc2 --package=objc2-encode --package=objc2-proc-macros $FRAMEWORKS_IOS_17 $INTERESTING_FEATURES -Zbuild-std
-        - name: visionOS Aarch64 simulator
-          target: aarch64-apple-visionos-sim
-          build-std: true
-          # `cc` works poorly when cross-compiling, so let's ignore `objc2-exception-helper` for now.
-          args: --package=block2 --package=objc2 --package=objc2-encode --package=objc2-proc-macros $FRAMEWORKS_VISIONOS_1 $INTERESTING_FEATURES -Zbuild-std
-
-        - name: GNUStep + exceptions
-          target: x86_64-unknown-linux-gnu
-          args: $PUBLIC_CRATES $FRAMEWORKS_GNUSTEP $INTERESTING_FEATURES --features=gnustep-1-9,catch-all
-
-        - name: header-translator
-          target: x86_64-unknown-linux-gnu
-          args: -pheader-translator
-
-        - name: test-assembly
-          target: x86_64-unknown-linux-gnu
-          args: -ptest-assembly
-
-    env:
-      CARGO_BUILD_TARGET: ${{ matrix.target }}
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use nightly toolchain
-      run: |
-        rustup toolchain install ${{ env.CURRENT_NIGHTLY }} --profile=minimal --no-self-update
-        rustup override set ${{ env.CURRENT_NIGHTLY }}
-
-    - name: Add clippy component
-      run: rustup component add clippy
-
-    - name: Add rust-src component for -Zbuild-std
-      if: matrix.build-std
-      run: rustup component add rust-src
-
-    - name: Install target
-      if: ${{ matrix.target && !matrix.build-std }}
-      run: rustup target add ${{ matrix.target }}
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: cargo doc
-      run: cargo doc --no-deps --document-private-items ${{ matrix.args }}
-      env:
-        # docsrs runs on nightly, so we can use nightly features when `docsrs` is enabled.
-        RUSTDOCFLAGS: "--deny=warnings --cfg=docsrs"
-
-    - name: cargo clippy
-      run: cargo clippy --all-targets ${{ matrix.args }}
-
-  msrv:
-    name: Check MSRV
-    runs-on: ubuntu-latest
-
-    env:
-      CARGO_BUILD_TARGET: x86_64-apple-darwin
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use MSRV toolchain
-      run: |
-        rustup toolchain install 1.71 --profile=minimal --no-self-update
-        rustup override set 1.71
-
-    - name: Install target
-      run: rustup target add x86_64-apple-darwin
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: cargo check
-      run: cargo check --package=block2 --package=objc2 --package=objc2-encode --package=objc2-proc-macros $FRAMEWORKS_MACOS_14 --features=all
-      env:
-        RUSTFLAGS: "--codegen=debuginfo=0" # Removed --deny=warnings
-
-  ui:
-    name: Compiler UI
-    runs-on: ubuntu-latest
-    needs:
-    - fmt
-    - lint
-
-    env:
-      TRYBUILD: overwrite
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use nightly toolchain
-      run: |
-        rustup toolchain install ${{ env.CURRENT_NIGHTLY }} --profile=minimal --no-self-update
-        rustup override set ${{ env.CURRENT_NIGHTLY }}
-
-    - name: Add rust-src component to allow compiler UI to display sources
-      run: rustup component add rust-src
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Run UI tests
-      run: cargo run --features=run,gnustep-1-7 --bin=test-ui
-
-    - name: Check diff
-      if: ${{ always() }}
-      run: git diff --exit-code
-
-  assembly:
-    name: Assembly tests
-    runs-on: ubuntu-latest
-    needs:
-    - fmt
-    - lint
-
-    env:
-      TEST_OVERWRITE: 1
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use nightly toolchain
-      run: |
-        rustup toolchain install ${{ env.CURRENT_NIGHTLY }} --profile=minimal --no-self-update
-        rustup override set ${{ env.CURRENT_NIGHTLY }}
-
-    - name: Add rust-src component for -Zbuild-std
-      run: rustup component add rust-src
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Run macOS x86_64 assembly tests
-      run: cargo run --bin=test-assembly -- -Z build-std --target=x86_64-apple-darwin
-
-    - name: Run all assembly tests
-      if: ${{ github.ref_name == 'ci-full' }}
-      run: ./helper-scripts/run-assembly-tests.sh
-
-    - name: Check diff
-      if: ${{ always() }}
-      run: git diff --exit-code
-
   header-translator:
     name: Verify header translator output
     runs-on: macos-15 # Aarch64
-    needs:
-    - fmt
-    - lint
 
     env:
       DEVELOPER_DIR: /Applications/Xcode_16.1.app/Contents/Developer
@@ -319,561 +114,3 @@ jobs:
     - name: Run auto-generated framework tests on Mac Catalyst
       if: ${{ github.ref_name == 'ci-full' }}
       run: cargo test -ptest-frameworks --features=test-frameworks --target=aarch64-apple-ios-macabi
-
-  check-framework-features:
-    # This will take ~40 minutes
-    if: ${{ github.ref_name == 'ci-full' }}
-    name: Check framework features
-    runs-on: macos-15 # Aarch64
-    needs:
-    - fmt
-    - lint
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use system Rust
-      run: rustup override set stable
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Check frameworks with each feature enabled separately
-      run: cargo run --bin=check_framework_features
-
-  # We make sure to have at least one check on macOS that actually runs the code,
-  # but all other tests are only run if absolutely needed (see `test-apple` below).
-  test-macos:
-    name: Test macOS 15 Aarch64
-    runs-on: macos-15 # Aarch64
-    needs:
-    - fmt
-    # Currently the slowest check, so let's get it started as soon as possible
-    # - lint
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use nightly toolchain
-      run: |
-        rustup toolchain install ${{ env.CURRENT_NIGHTLY }} --profile=minimal --no-self-update
-        rustup override set ${{ env.CURRENT_NIGHTLY }}
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Test without features
-      run: cargo test $PUBLIC_CRATES -ptests
-
-    - name: Test all frameworks
-      run: cargo test $PUBLIC_CRATES $FRAMEWORKS_MACOS_10_12 -ptests $INTERESTING_FEATURES
-
-  test-apple:
-    if: ${{ github.ref_name == 'ci-full' }}
-    name: ${{ matrix.test && 'Test' || 'Build' }} ${{ matrix.name }}
-    runs-on: ${{ matrix.os }}
-    needs:
-    - fmt
-    - lint
-
-    strategy:
-      # MacOS instances are rate-limited, which means that whenever we can
-      # avoid doing work, we should!
-      fail-fast: true
-      matrix:
-        include:
-        # Reasonably varied set of macOS targets.
-        - name: macOS 13 x86_64
-          target: x86_64-apple-darwin
-          os: macos-13 # x86_64
-          frameworks: MACOS_13
-          test: true
-        - name: macOS 15 AArch64
-          target: aarch64-apple-darwin
-          os: macos-15 # Aarch64
-          frameworks: MACOS_15
-          test: true
-        - name: macOS 14 Aarch64 nightly
-          target: aarch64-apple-darwin
-          os: macos-14 # Aarch64
-          frameworks: MACOS_14
-          nightly: true
-          test: true
-
-        # Old macOS targets.
-        - name: macOS 13 x86 with 10.13 SDK
-          target: i686-apple-darwin
-          # The SDK itself only supports compiling build scripts for x86_64
-          os: macos-13 # x86_64
-          frameworks: MACOS_10_13
-          nightly: true
-          build-std: true
-          # Newest SDK that supports 32-bit
-          sdk: "10.13"
-        - name: macOS 13 x86_64 with 10.12 SDK
-          target: x86_64-apple-darwin
-          os: macos-13 # x86_64
-          frameworks: MACOS_10_12
-          # Oldest macOS version we support.
-          # The SDK itself only supports compiling build scripts for x86_64.
-          sdk: "10.12"
-          test: true
-
-        # A reasonably varied set of iOS/tvOS/watchOS/visionOS targets.
-        - name: iOS x86_64 simulator
-          target: x86_64-apple-ios
-          os: macos-14 # Aarch64
-          frameworks: IOS_17
-        - name: Mac Catalyst Aarch64
-          target: aarch64-apple-ios-macabi
-          os: macos-14 # Aarch64
-          frameworks: MAC_CATALYST_17
-          test: true
-        - name: visionOS Aarch64
-          target: aarch64-apple-visionos
-          os: macos-14 # Aarch64
-          frameworks: VISIONOS_1
-          nightly: true
-          build-std: true
-        - name: tvOS Aarch64
-          target: aarch64-apple-tvos
-          os: macos-14 # Aarch64
-          frameworks: TVOS_17
-          nightly: true
-          build-std: true
-        - name: watchOS ARM64_32
-          target: arm64_32-apple-watchos
-          os: macos-14 # Aarch64
-          frameworks: WATCHOS_10
-          nightly: true
-          build-std: true
-        - name: iOS ARMv7s
-          target: armv7s-apple-ios
-          os: macos-14 # Aarch64
-          frameworks: IOS_10
-          nightly: true
-          build-std: true
-        - name: iOS x86
-          target: i386-apple-ios
-          os: macos-14 # Aarch64
-          frameworks: IOS_10
-          nightly: true
-          build-std: true
-
-    env:
-      CARGO_BUILD_TARGET: ${{ matrix.target }}
-      # Modern macOS can only run the target that they're built for.
-      # So we pass `--no-run` when building for other targets.
-      ARGS: >-
-        ${{ matrix.build-std && '-Zbuild-std -Zdoctest-xcompile' }}
-        ${{ matrix.test && '' || '--no-run' }}
-      # Mac Catalyst requires a higher version.
-      IPHONEOS_DEPLOYMENT_TARGET: ${{ contains(matrix.target, 'macabi') && '13.1' || '10.0' }}
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use nightly toolchain
-      if: ${{ matrix.nightly }}
-      run: |
-        rustup toolchain install ${{ env.CURRENT_NIGHTLY }} --profile=minimal --no-self-update
-        rustup override set ${{ env.CURRENT_NIGHTLY }}
-    - name: Use stable toolchain
-      if: ${{ !matrix.nightly }}
-      run: rustup override set stable
-
-    - name: Add rust-src component for -Zbuild-std
-      if: matrix.build-std
-      run: rustup component add rust-src
-
-    - name: Install target
-      if: ${{ !matrix.build-std }}
-      run: rustup target add ${{ matrix.target }}
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Cache SDK
-      id: sdk-cache
-      if: matrix.sdk
-      uses: actions/cache@v4
-      with:
-        path: ~/sdk
-        key: sdk-test-apple-${{ matrix.name }}
-
-    - name: Download different macOS SDK
-      if: matrix.sdk && steps.sdk-cache.outputs.cache-hit != 'true'
-      # macOS SDKs:
-      # - https://github.com/alexey-lysiuk/macos-sdk
-      # - https://github.com/phracker/MacOSX-SDKs
-      # - https://github.com/hexops/sdk-macos-12.0
-      #
-      # iOS SDKs:
-      # - https://github.com/xybp888/iOS-SDKs
-      # - https://github.com/theos/sdks
-      run: |
-        wget https://github.com/alexey-lysiuk/macos-sdk/releases/download/${{ matrix.sdk }}/MacOSX${{ matrix.sdk }}.tar.bz2
-        tar -xyf MacOSX${{ matrix.sdk }}.tar.bz2
-        mv MacOSX${{ matrix.sdk }}.sdk $HOME/sdk
-
-    - name: Setup SDK environment
-      if: matrix.sdk
-      # This changes a variable, so is only set when a custom SDK is used
-      run: echo "SDKROOT=$HOME/sdk" >> $GITHUB_ENV
-
-    - name: Test without features
-      run: cargo test $ARGS $PUBLIC_CRATES -ptests
-
-    - name: Test Foundation
-      run: cargo test $ARGS $PUBLIC_CRATES -ptests $INTERESTING_FEATURES -pobjc2-foundation
-
-    - name: Test all frameworks
-      run: cargo test $ARGS $PUBLIC_CRATES -ptests $INTERESTING_FEATURES --features=catch-all $FRAMEWORKS_${{ matrix.frameworks }}
-
-    - name: Test Foundation in release mode
-      run: cargo test $ARGS $PUBLIC_CRATES -ptests $INTERESTING_FEATURES -pobjc2-foundation --features=catch-all --release
-
-    - name: Test Foundation with unstable features
-      if: ${{ matrix.nightly }}
-      run: cargo test $ARGS $PUBLIC_CRATES -ptests $INTERESTING_FEATURES -pobjc2-foundation --features=catch-all,unstable-autoreleasesafe ${{ matrix.sdk != '10.12' && '--features=unstable-simd' || '' }}
-
-    # TODO: Re-enable this on all of Foundation once we do some form of
-    # availability checking.
-    - name: Test static class and selectors
-      if: ${{ matrix.frameworks == 'MACOS_15' }}
-      run: >-
-        cargo test $ARGS $PUBLIC_CRATES -ptests -pobjc2-foundation
-        --features=unstable-static-sel,unstable-static-class,unstable-static-nsstring
-        --features=NSString
-
-  test-ios:
-    if: ${{ github.ref_name == 'ci-full' }}
-    name: Test on iOS simulator w. dinghy
-    runs-on: macos-13 # x86_64
-    needs:
-    - fmt
-    - lint
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use stable toolchain
-      run: rustup override set stable
-
-    - name: Install simulator target
-      run: rustup target add x86_64-apple-ios
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Install cargo-dinghy
-      uses: taiki-e/install-action@v2
-      with:
-        tool: cargo-dinghy@0.6
-
-    - name: Launch XCode Simulator and prepare Dinghy
-      # Note that we're not testing all configurations with dinghy, since that
-      # takes a very long time to run, and hence impedes general development.
-      run: |
-        # Get system info
-        xcrun simctl list runtimes
-
-        # Launch the simulator
-        RUNTIME_ID=$(xcrun simctl list runtimes | grep iOS | cut -d ' ' -f 7 | tail -1)
-        SIM_ID=$(xcrun simctl create MyIphone com.apple.CoreSimulator.SimDeviceType.iPhone-14-Pro $RUNTIME_ID)
-        xcrun simctl boot $SIM_ID
-
-        # Export simulator ID
-        echo "SIM_ID=$SIM_ID" >> $GITHUB_ENV
-
-    - name: Test
-      run: cargo-dinghy --device=$SIM_ID test $PUBLIC_CRATES $FRAMEWORKS_IOS_10 -ptests $INTERESTING_FEATURES --features=catch-all
-
-  test-gnustep:
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
-    needs:
-    - fmt
-    - lint
-
-    strategy:
-      # GNUStep tests are currently flaky, this makes it easier to see
-      fail-fast: false
-      matrix:
-        include:
-        - name: Test GNUStep with libobjc2 v1.9
-          target: x86_64-unknown-linux-gnu
-          runtime: gnustep-1-9
-          libobjc2: "1.9"
-        - name: Test GNUStep with libobjc2 v2.0
-          # Fails for some reason on Ubuntu 22
-          os: ubuntu-20.04
-          target: x86_64-unknown-linux-gnu
-          runtime: gnustep-2-0
-          libobjc2: "2.0"
-        - name: Test GNUStep with libobjc2 v2.1 on nightly
-          target: x86_64-unknown-linux-gnu
-          nightly: true
-          runtime: gnustep-2-1
-          libobjc2: "2.1"
-          # fuzz: true # Disable fuzzing for now, it fails because it tries to load all symbols in Foundation
-        - name: Test GNUStep 32bit
-          # Ubuntu 22 image doesn't have the required C++ libraries
-          # installed for 32-bit
-          os: ubuntu-20.04
-          target: i686-unknown-linux-gnu
-          cflags: -m32
-          configureflags: --target=x86-pc-linux-gnu
-          runtime: gnustep-1-9
-          libobjc2: "1.9"
-
-    env:
-      CARGO_BUILD_TARGET: ${{ matrix.target }}
-      CFLAGS: ${{ matrix.cflags }}
-      CXXFLAGS: ${{ matrix.cflags }}
-      ASMFLAGS: ${{ matrix.cflags }}
-      LDFLAGS: ${{ matrix.cflags }}
-      # http://wiki.gnustep.org/index.php/Building_GNUstep_under_Debian_FreeBSD#installing_gnustep-make
-      RUNTIME_VERSION: gnustep-${{ matrix.libobjc2 }}
-      # Exclude `objc2-exception-helper`, for some reason that can't be tested directly on GNUStep
-      PUBLIC_CRATES: >-
-        --package=block2
-        --package=objc2
-        --package=objc2-encode
-        --package=objc2-proc-macros
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Cache external dependencies
-      id: extern-cache
-      uses: actions/cache@v4
-      with:
-        # We could have just cached build-files, and then rerun the build tool
-        # every time, letting it figure out what's changed. However, this has
-        # the problem that GNUStep-Base ./configure invalidates the cache,
-        # which makes it very hard to know when to rebuild and when not to.
-        #
-        # So instead we just place the final outputs in ~/extern, and cache
-        # them there:
-        # - bin/*
-        # - lib/libobjc.so
-        # - lib/libgnustep-base.so
-        # - include/Foundation/*
-        # - include/objc/*
-        path: |
-          ~/extern/bin
-          ~/extern/lib
-          ~/extern/include
-        # Change this key if we start caching more things
-        key: extern-${{ github.job }}-${{ matrix.name }}-v1
-
-    - name: Setup environment
-      # These add to PATH-like variables, so they can always be set
-      run: |
-        mkdir -p $HOME/extern/bin
-        mkdir -p $HOME/extern/lib
-        mkdir -p $HOME/extern/include
-        echo "PATH=$HOME/extern/bin:$PATH" >> $GITHUB_ENV
-        echo "LIBRARY_PATH=$HOME/extern/lib:$LIBRARY_PATH" >> $GITHUB_ENV
-        echo "LD_LIBRARY_PATH=$HOME/extern/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
-        echo "CPATH=$HOME/extern/include:$CPATH" >> $GITHUB_ENV
-        # Debug print these
-        ls -al $HOME/extern/*
-
-    - name: Install Clang + Valgrind
-      run: |
-        sudo apt-get update
-        sudo apt-get -y install clang valgrind
-
-    - name: Install cross compilation tools
-      if: matrix.target == 'i686-unknown-linux-gnu'
-      run: |
-        sudo dpkg --add-architecture i386
-        sudo apt-get update
-        sudo apt-get -y install gcc-multilib libgcc-10-dev:i386 \
-          libc6-dev:i386 libstdc++-10-dev:i386 libffi-dev:i386 \
-          libxml2-dev:i386 libicu-dev:i386
-
-    - name: Install Make and Cmake
-      if: steps.extern-cache.outputs.cache-hit != 'true'
-      run: sudo apt-get -y install make cmake
-
-    - name: Install GNUStep libobjc2
-      if: steps.extern-cache.outputs.cache-hit != 'true'
-      run: |
-        wget https://github.com/gnustep/libobjc2/archive/refs/tags/v${{ matrix.libobjc2 }}.tar.gz
-        tar -xzf v${{ matrix.libobjc2 }}.tar.gz
-
-        # Install robin-map on v2.1
-        if test -d libobjc2-2.1; then
-          cd libobjc2-2.1/third_party
-          # Remove possibly existing `robin-map` folder
-          rm -rf robin-map
-          wget https://github.com/Tessil/robin-map/archive/757de829927489bee55ab02147484850c687b620.tar.gz
-          tar -xzf 757de829927489bee55ab02147484850c687b620.tar.gz
-          mv robin-map-757de829927489bee55ab02147484850c687b620 robin-map
-          cd ../..
-        fi
-
-        mkdir -p libobjc2-${{ matrix.libobjc2 }}/build
-        cd libobjc2-${{ matrix.libobjc2 }}/build
-        cmake -Wno-dev -DCMAKE_INSTALL_PREFIX=$HOME/extern -DTESTS=OFF ..
-        make install
-
-    - name: Install GNUStep make
-      if: steps.extern-cache.outputs.cache-hit != 'true'
-      run: |
-        wget https://github.com/gnustep/tools-make/archive/refs/tags/make-2_9_0.tar.gz
-        tar -xzf make-2_9_0.tar.gz
-        mkdir -p tools-make-make-2_9_0/build
-        cd tools-make-make-2_9_0/build
-        ../configure --prefix=$HOME/extern --with-library-combo=ng-gnu-gnu
-        make install
-
-    - name: Install GNUStep base library
-      if: steps.extern-cache.outputs.cache-hit != 'true'
-      run: |
-        wget https://github.com/gnustep/libs-base/archive/refs/tags/base-1_28_0.tar.gz
-        tar -xzf base-1_28_0.tar.gz
-        cd libs-base-base-1_28_0
-        ./configure --prefix=$HOME/extern --disable-tls --disable-xslt ${{ matrix.configureflags }}
-        make install
-        ls -al $HOME/extern/*
-
-    - name: Install GNUStep GUI
-      if: matrix.target == 'x86_64-unknown-linux-gnu' && steps.extern-cache.outputs.cache-hit != 'true'
-      run: |
-        wget https://github.com/gnustep/libs-gui/archive/refs/tags/gui-0_29_0.tar.gz
-        tar -xzf gui-0_29_0.tar.gz
-        cd libs-gui-gui-0_29_0
-        ./configure --prefix=$HOME/extern --disable-jpeg ${{ matrix.configureflags }}
-        make install
-        ls -al $HOME/extern/*
-
-    - name: Use nightly toolchain
-      if: ${{ matrix.nightly }}
-      run: |
-        rustup toolchain install ${{ env.CURRENT_NIGHTLY }} --profile=minimal --no-self-update
-        rustup override set ${{ env.CURRENT_NIGHTLY }}
-    - name: Use stable toolchain
-      if: ${{ !matrix.nightly }}
-      run: rustup override set stable
-
-    - name: Install target
-      if: ${{ matrix.target }}
-      run: rustup target add ${{ matrix.target }}
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Cache cargo-fuzz
-      if: ${{ matrix.fuzz }}
-      id: fuzz-cache
-      uses: actions/cache@v4
-      with:
-        path: ~/.cargo/bin/cargo-fuzz
-        # Change this key if we update the required cargo-fuzz version
-        key: cargo-fuzz-${{ github.job }}-${{ matrix.name }}-v0-11-2
-
-    - name: Install cargo-fuzz
-      if: ${{ matrix.fuzz && steps.fuzz-cache.outputs.cache-hit != 'true' }}
-      run: cargo install cargo-fuzz --version=^0.11.2
-
-    - name: Test Foundation
-      run: cargo test --features=${{ matrix.runtime }} $PUBLIC_CRATES $INTERESTING_FEATURES -ptests -pobjc2-foundation --features=catch-all
-
-    - name: Test all frameworks
-      if: ${{ github.ref_name == 'ci-full' && matrix.target == 'x86_64-unknown-linux-gnu' }}
-      run: cargo test --features=${{ matrix.runtime }} $PUBLIC_CRATES $INTERESTING_FEATURES -ptests $FRAMEWORKS_GNUSTEP --features=catch-all
-
-    - name: Test in release mode
-      # Disabled on GNUStep 2.1 for now
-      if: ${{ github.ref_name == 'ci-full' && matrix.runtime != 'gnustep-2-1' }}
-      run: cargo test --features=${{ matrix.runtime }} $PUBLIC_CRATES -pobjc2-foundation --release
-
-    - name: Run fuzzing
-      if: ${{ matrix.fuzz }}
-      run: |
-        # Run each fuzz target for 100000 runs (approx. 5 seconds), and
-        # timeout after 2 seconds.
-        #
-        # We specify the number of runs explicitly instead of using
-        # `max_total_time`, to get more determinism.
-        for fuzz_target in $(cargo-fuzz list --fuzz-dir=./crates/test-fuzz/)
-        do
-          echo "Fuzzing $fuzz_target"
-          cargo-fuzz run --fuzz-dir=./crates/test-fuzz/ $fuzz_target --features=${{ matrix.runtime }},fuzz-all -- -runs=10000 -timeout=2 -jobs=10
-        done
-
-        # Check if the fuzzer encountered something that should be added to
-        # the corpus.
-        git diff --exit-code
-
-    - name: Run benchmarks
-      # Disabled since it started failing for some reason
-      if: ${{ false }}
-      # Difficult to install Valgrind on macOS
-      # See https://github.com/LouisBrunner/valgrind-macos
-      run: cargo bench --features=${{ matrix.runtime }}
-
-  test-compiler-rt:
-    name: Test Compiler-RT
-    runs-on: ubuntu-latest
-    needs:
-    - fmt
-    - lint
-
-    env:
-      # `compiler-rt` is only relevant for block2
-      PUBLIC_CRATES: --package=block2
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Use system Rust
-      run: rustup override set stable
-
-    - name: Cache Cargo
-      uses: actions/cache@v4
-      with:
-        path: ${{ env.CARGO_CACHE_PATH }}
-        key: cargo-${{ github.job }}-${{ matrix.name }}-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Install clang + libBlocksRuntime
-      run: |
-        sudo apt-get update
-        sudo apt-get -y install clang libblocksruntime-dev
-
-    - name: Test
-      run: cargo test $PUBLIC_CRATES --features=compiler-rt
-
-    - name: Test in release mode
-      run: cargo test $PUBLIC_CRATES --features=compiler-rt --release