diff --git a/.github/workflows/cpp_package.yaml b/.github/workflows/cpp_package.yaml
index 97788670307..0d98cbd608b 100644
--- a/.github/workflows/cpp_package.yaml
+++ b/.github/workflows/cpp_package.yaml
@@ -82,9 +82,8 @@ jobs:
         strategy:
             matrix:
                 target: [thumbv7em-none-eabihf]
-                host: [ubuntu-20.04, windows-2022, macOS-12]
 
-        runs-on: ${{ matrix.host }}
+        runs-on: ubuntu-20.04
         steps:
             - uses: actions/checkout@v4
             - uses: ./.github/actions/install-linux-dependencies
@@ -108,7 +107,7 @@ jobs:
               with:
                   cmakeListsOrSettingsJson: CMakeListsTxtAdvanced
                   cmakeListsTxtPath: CMakeLists.txt
-                  cmakeAppendedArgs: "-GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_SHARED_LIBS=OFF -DRust_CARGO_TARGET=${{ matrix.target }} -DCMAKE_C_COMPILER=arm-none-eabi-gcc -DCMAKE_CXX_COMPILER=arm-none-eabi-g++ -DCMAKE_AR=arm-none-eabi-ar -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY ${{ env.SLINT_MCU_FEATURES }}"
+                  cmakeAppendedArgs: "-GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_SHARED_LIBS=OFF -DRust_CARGO_TARGET=${{ matrix.target }} -DCMAKE_C_COMPILER=arm-none-eabi-gcc -DCMAKE_CXX_COMPILER=arm-none-eabi-g++ -DCMAKE_AR=arm-none-eabi-ar -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY -DSLINT_COMPILER=download ${{ env.SLINT_MCU_FEATURES }}"
                   buildDirectory: ${{ runner.workspace }}/cppbuild
                   buildWithCMakeArgs: "--config Release"
             - name: cpack
@@ -117,7 +116,7 @@ jobs:
             - name: "Upload C++ packages"
               uses: actions/upload-artifact@v4
               with:
-                  name: cpp_mcu_bin-${{ runner.os }}-${{ runner.arch }}-${{ matrix.target }}
+                  name: cpp_mcu_bin-${{ matrix.target }}
                   path: ${{ runner.workspace }}/cppbuild/Slint-cpp-*
 
     cmake_package_mcu_esp:
@@ -126,7 +125,6 @@ jobs:
         strategy:
             matrix:
                 idf_target: [esp32s2, esp32s3, esp32p4]
-                host: [ubuntu-22.04, macOS-12]
                 include:
                   - idf_target: esp32s2
                     rust_target: xtensa-esp32s2-none-elf
@@ -135,7 +133,7 @@ jobs:
                   - idf_target: esp32p4
                     rust_target: riscv32imafc-esp-espidf
 
-        runs-on: ${{ matrix.host }}
+        runs-on: ubuntu-22.04
         steps:
             - uses: actions/checkout@v4
             - uses: ./.github/actions/install-linux-dependencies
@@ -166,7 +164,7 @@ jobs:
                   # NOTE: xtensa-esp-elf-gcc as compiler for the RISC-V targets is wrong, but the compiler argument here is only
                   # used to ensure that SIZEOF_VOID_P is 4 in the generated cmake config file. Otherwise this build requires no
                   # C compiler.
-                  cmakeAppendedArgs: "-GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DESP_PLATFORM=1 -DIDF_TARGET=${{ matrix.idf_target }} -DRust_CARGO_TARGET=${{ matrix.rust_target }} -DCMAKE_C_COMPILER=xtensa-esp-elf-gcc -DCMAKE_AR=xtensa-esp-elf-ar -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY -DSLINT_LIBRARY_CARGO_FLAGS='-Zbuild-std=core,alloc' ${{ env.SLINT_MCU_FEATURES }}"
+                  cmakeAppendedArgs: "-GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DESP_PLATFORM=1 -DIDF_TARGET=${{ matrix.idf_target }} -DRust_CARGO_TARGET=${{ matrix.rust_target }} -DCMAKE_C_COMPILER=xtensa-esp-elf-gcc -DCMAKE_AR=xtensa-esp-elf-ar -DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY -DSLINT_LIBRARY_CARGO_FLAGS='-Zbuild-std=core,alloc' -DSLINT_COMPILER=download ${{ env.SLINT_MCU_FEATURES }}"
                   buildDirectory: ${{ runner.workspace }}/cppbuild
                   buildWithCMakeArgs: "--config Release"
             - name: cpack
@@ -175,7 +173,7 @@ jobs:
             - name: "Upload C++ packages"
               uses: actions/upload-artifact@v4
               with:
-                  name: cpp_mcu_bin-${{ runner.os }}-${{ runner.arch }}-${{ matrix.idf_target }}
+                  name: cpp_mcu_bin-${{ matrix.idf_target }}
                   path: ${{ runner.workspace }}/cppbuild/Slint-cpp-*
 
       cmake_slint_compiler: