diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 76e6bef16..c22d2a6cf 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -1,11 +1,11 @@
-# Various non-standard tests, requiring e.g. longer run
 name: Nightly
 
 # This job is run at 04:00 UTC every day or on demand.
 on:
-  workflow_dispatch:
-  schedule:
-    - cron: '0 4 * * *'
+  push:
+    branches-ignore:
+      - 'dependabot/**'
+  pull_request:
 
 permissions:
   contents: read
@@ -15,190 +15,205 @@ env:
   INSTALL_DIR: "${{github.workspace}}/build/install"
 
 jobs:
-  fuzz-test:
-      name: Fuzz test
-      strategy:
-        fail-fast: false
-        matrix:
-          build_type: [Debug, Release]
-          compiler: [{c: clang, cxx: clang++}]
+#   fuzz-test:
+#       name: Fuzz test
+#       strategy:
+#         fail-fast: false
+#         matrix:
+#           build_type: [Debug, Release]
+#           compiler: [{c: clang, cxx: clang++}]
       
-      runs-on: ubuntu-latest
-
-      steps:
-      - name: Checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          fetch-depth: 0
-
-      - name: Install apt packages
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y cmake hwloc libhwloc-dev libnuma-dev libtbb-dev
-
-      - name: Find Clang fuzzer lib
-        run: |
-          CLANG_LIBS_DIR=$(find /usr/lib -name "libclang_rt.fuzzer_no_main-x86_64.a" -exec dirname {} \; | head -n 1)
-          echo "CLANG_LIBS_DIR=${CLANG_LIBS_DIR}" >> $GITHUB_ENV
-
-      - name: Configure CMake
-        run: >
-          cmake
-          -B ${{github.workspace}}/build
-          -DCMAKE_PREFIX_PATH=${{env.CLANG_LIBS_DIR}}
-          -DCMAKE_BUILD_TYPE=${{matrix.build_type}}
-          -DCMAKE_C_COMPILER=${{matrix.compiler.c}}
-          -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}}
-          -DUMF_BUILD_SHARED_LIBRARY=ON
-          -DUMF_TESTS_FAIL_ON_SKIP=ON
-          -DUMF_DEVELOPER_MODE=ON
-          -DUMF_BUILD_FUZZTESTS=ON
-
-      - name: Build
-        run: cmake --build ${{github.workspace}}/build --config ${{matrix.build_type}} --verbose -j$(nproc)
-
-      - name: Run regular tests
-        working-directory: ${{github.workspace}}/build
-        run: ctest -C ${{matrix.build_type}} --output-on-failure -E "fuzz|test_init_teardown"
-
-      - name: Run regular tests with proxy library
-        working-directory: ${{env.BUILD_DIR}}
-        run: LD_PRELOAD=./lib/libumf_proxy.so ctest -C ${{matrix.build_type}} --output-on-failure -E "fuzz|test_init_teardown"
-
-      - name: Fuzz long test
-        working-directory: ${{github.workspace}}/build
-        run: ctest -C ${{matrix.build_type}} --output-on-failure --verbose -L "fuzz-long"
-
-  valgrind:
-    name: Valgrind
-    strategy:
-      fail-fast: false
-      matrix:
-          tool: ['memcheck', 'drd', 'helgrind']
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      with:
-        fetch-depth: 0
-
-    - name: Install apt packages
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y cmake hwloc libhwloc-dev libnuma-dev libtbb-dev valgrind
-
-    - name: Configure CMake
-      run: >
-        cmake
-        -B ${{github.workspace}}/build
-        -DCMAKE_BUILD_TYPE=Debug
-        -DUMF_FORMAT_CODE_STYLE=OFF
-        -DUMF_DEVELOPER_MODE=ON
-        -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON
-        -DUMF_BUILD_LEVEL_ZERO_PROVIDER=OFF
-        -DUMF_BUILD_CUDA_PROVIDER=OFF
-        -DUMF_USE_VALGRIND=1
-        -DUMF_TESTS_FAIL_ON_SKIP=ON
-
-    - name: Build
-      run: cmake --build ${{github.workspace}}/build --config Debug -j$(nproc)
-
-    - name: Run tests under valgrind
-      run: ${{github.workspace}}/test/test_valgrind.sh ${{github.workspace}} ${{github.workspace}}/build ${{matrix.tool}}
-
-  Windows-generators:
-    name: Windows ${{matrix.generator}} generator
-    strategy:
-      matrix:
-        build_type: [Debug, Release]
-        compiler: [{c: cl, cxx: cl}]
-        shared_library: ['ON', 'OFF']
-        static_hwloc: ['ON', 'OFF']
-        generator: ['Ninja', 'NMake Makefiles']
-        umfd_lib: ['ON', 'OFF']
-
-    runs-on: windows-latest
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      with:
-        fetch-depth: 0
-
-    - name: Set VCPKG_PATH with hwloc
-      if: matrix.static_hwloc == 'OFF'
-      run: echo "VCPKG_PATH=${{github.workspace}}/build/vcpkg/packages/hwloc_x64-windows;${{github.workspace}}/build/vcpkg/packages/tbb_x64-windows;${{github.workspace}}/build/vcpkg/packages/jemalloc_x64-windows" >> $env:GITHUB_ENV
-
-    - name: Set VCPKG_PATH without hwloc
-      if: matrix.static_hwloc == 'ON'
-      run: echo "VCPKG_PATH=${{github.workspace}}/build/vcpkg/packages/tbb_x64-windows;${{github.workspace}}/build/vcpkg/packages/jemalloc_x64-windows" >> $env:GITHUB_ENV
-
-    - name: Initialize vcpkg
-      uses: lukka/run-vcpkg@5e0cab206a5ea620130caf672fce3e4a6b5666a1 # v11.5
-      env: 
-        VCPKG_PATH: ${{env.VCPKG_PATH}}
-      with:
-        vcpkgGitCommitId: ea2a964f9303270322cf3f2d51c265ba146c422d # 1.04.2025
-        vcpkgDirectory: ${{env.BUILD_DIR}}/vcpkg
-        vcpkgJsonGlob: '**/vcpkg.json'
-
-    - name: Install dependencies
-      run: vcpkg install --triplet x64-windows
-
-    - name: Install Ninja
-      if: matrix.generator == 'Ninja'
-      uses: seanmiddleditch/gha-setup-ninja@3b1f8f94a2f8254bd26914c4ab9474d4f0015f67 # v6
-
-    - name: Configure MSVC environment
-      uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
-
-    - name: Configure build
-      run: >
-        cmake
-        -B ${{env.BUILD_DIR}}
-        -DCMAKE_BUILD_TYPE=${{matrix.build_type}}
-        -DCMAKE_PREFIX_PATH="${{env.VCPKG_PATH}}"
-        -DCMAKE_C_COMPILER=${{matrix.compiler.c}}
-        -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}}
-        -G "${{matrix.generator}}"
-        -DUMF_BUILD_SHARED_LIBRARY=${{matrix.shared_library}}
-        -DUMF_LINK_HWLOC_STATICALLY=${{matrix.static_hwloc}}
-        -DUMF_FORMAT_CODE_STYLE=OFF
-        -DUMF_DEVELOPER_MODE=ON
-        -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON
-        -DUMF_BUILD_LEVEL_ZERO_PROVIDER=ON
-        -DUMF_BUILD_CUDA_PROVIDER=ON
-        -DUMF_TESTS_FAIL_ON_SKIP=ON
-        ${{ matrix.umfd_lib == 'ON' && '-DUMF_USE_DEBUG_POSTFIX=ON' || '' }}
-
-    - name: Build UMF
-      shell: cmd
-      run: cmake --build ${{env.BUILD_DIR}} --config ${{matrix.build_type}} -j %NUMBER_OF_PROCESSORS%
-
-    - name: Run tests
-      shell: cmd
-      working-directory: ${{env.BUILD_DIR}}
-      run: ctest -C ${{matrix.build_type}} --output-on-failure --test-dir test
-
-    - name: Get UMF version
-      run: |
-        $version = (git describe --tags --abbrev=0 | Select-String -Pattern '\d+\.\d+\.\d+').Matches.Value
-        echo "UMF_VERSION=$version" >> $env:GITHUB_ENV
-      shell: pwsh
-
-    - name: Test UMF installation and uninstallation
-      # The '--shared-library' parameter is added to the installation test when the UMF is built as a shared library
-      # The '--umfd-lib' parameter is added when the UMF is built with the umfd library
-      run: >
-        python3 ${{github.workspace}}/test/test_installation.py
-        --build-dir ${{env.BUILD_DIR}}
-        --install-dir ${{env.INSTALL_DIR}}
-        --build-type ${{matrix.build_type}}
-        --umf-version ${{env.UMF_VERSION}}
-        ${{ matrix.shared_library == 'ON' && '--proxy --shared-library' || '' }}
-        ${{ matrix.umfd_lib == 'ON' && '--umfd-lib' || ''}}
-        ${{ matrix.static_hwloc == 'ON' && '--hwloc' || '' }}
+#       runs-on: ubuntu-latest
+
+#       steps:
+#       - name: Checkout repository
+#         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+#         with:
+#           fetch-depth: 0
+
+#       - name: Install apt packages
+#         run: |
+#           sudo apt-get update
+#           sudo apt-get install -y cmake hwloc libhwloc-dev libnuma-dev libtbb-dev
+
+#       - name: Find Clang fuzzer lib
+#         run: |
+#           CLANG_LIBS_DIR=$(find /usr/lib -name "libclang_rt.fuzzer_no_main-x86_64.a" -exec dirname {} \; | head -n 1)
+#           echo "CLANG_LIBS_DIR=${CLANG_LIBS_DIR}" >> $GITHUB_ENV
+
+#       - name: Configure CMake
+#         run: >
+#           cmake
+#           -B ${{github.workspace}}/build
+#           -DCMAKE_PREFIX_PATH=${{env.CLANG_LIBS_DIR}}
+#           -DCMAKE_BUILD_TYPE=${{matrix.build_type}}
+#           -DCMAKE_C_COMPILER=${{matrix.compiler.c}}
+#           -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}}
+#           -DUMF_BUILD_SHARED_LIBRARY=ON
+#           -DUMF_TESTS_FAIL_ON_SKIP=ON
+#           -DUMF_DEVELOPER_MODE=ON
+#           -DUMF_BUILD_FUZZTESTS=ON
+
+#       - name: Build
+#         run: cmake --build ${{github.workspace}}/build --config ${{matrix.build_type}} --verbose -j$(nproc)
+
+#       - name: Run regular tests
+#         working-directory: ${{github.workspace}}/build
+#         run: ctest -C ${{matrix.build_type}} --output-on-failure -E "fuzz|test_init_teardown"
+
+#       - name: Run regular tests with proxy library
+#         working-directory: ${{env.BUILD_DIR}}
+#         run: LD_PRELOAD=./lib/libumf_proxy.so ctest -C ${{matrix.build_type}} --output-on-failure -E "fuzz|test_init_teardown"
+
+#       - name: Fuzz long test
+#         working-directory: ${{github.workspace}}/build
+#         run: ctest -C ${{matrix.build_type}} --output-on-failure --verbose -L "fuzz-long"
+
+  # valgrind:
+  #   name: Valgrind
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #         tool: ['memcheck', 'drd', 'helgrind']
+  #   runs-on: ubuntu-latest
+
+  #   steps:
+  #   - name: Checkout repository
+  #     uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+  #     with:
+  #       fetch-depth: 0
+
+  #   - name: Install apt packages
+  #     run: |
+  #       sudo apt-get update
+  #       sudo apt-get install -y cmake hwloc libhwloc-dev libnuma-dev libtbb-dev valgrind
+
+  #   - name: Configure CMake
+  #     run: >
+  #       cmake
+  #       -B ${{github.workspace}}/build
+  #       -DCMAKE_BUILD_TYPE=Debug
+  #       -DUMF_FORMAT_CODE_STYLE=OFF
+  #       -DUMF_DEVELOPER_MODE=ON
+  #       -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON
+  #       -DUMF_BUILD_LEVEL_ZERO_PROVIDER=OFF
+  #       -DUMF_BUILD_CUDA_PROVIDER=OFF
+  #       -DUMF_USE_VALGRIND=1
+  #       -DUMF_TESTS_FAIL_ON_SKIP=ON
+
+  #   - name: Build
+  #     run: cmake --build ${{github.workspace}}/build --config Debug -j$(nproc)
+
+  #   - name: Run tests under valgrind
+  #     run: ${{github.workspace}}/test/test_valgrind.sh ${{github.workspace}} ${{github.workspace}}/build ${{matrix.tool}}
+
+  # Windows-generators:
+  #   name: Windows ${{matrix.generator}} generator
+  #   strategy:
+  #     matrix:
+  #       build_type: [Debug, Release]
+  #       compiler: [{c: cl, cxx: cl}]
+  #       shared_library: ['ON', 'OFF']
+  #       static_hwloc: ['ON', 'OFF']
+  #       generator: ['Unix Makefiles']
+  #       umfd_lib: ['ON', 'OFF']
+
+  #   runs-on: windows-latest
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+  #     with:
+  #       fetch-depth: 0
+
+  #   - name: Set VCPKG_PATH with hwloc
+  #     if: matrix.static_hwloc == 'OFF'
+  #     run: echo "VCPKG_PATH=${{github.workspace}}/build/vcpkg/packages/hwloc_x64-windows;${{github.workspace}}/build/vcpkg/packages/tbb_x64-windows;${{github.workspace}}/build/vcpkg/packages/jemalloc_x64-windows" >> $env:GITHUB_ENV
+
+  #   - name: Set VCPKG_PATH without hwloc
+  #     if: matrix.static_hwloc == 'ON'
+  #     run: echo "VCPKG_PATH=${{github.workspace}}/build/vcpkg/packages/tbb_x64-windows;${{github.workspace}}/build/vcpkg/packages/jemalloc_x64-windows" >> $env:GITHUB_ENV
+
+  #   - name: Initialize vcpkg
+  #     uses: lukka/run-vcpkg@5e0cab206a5ea620130caf672fce3e4a6b5666a1 # v11.5
+  #     env: 
+  #       VCPKG_PATH: ${{env.VCPKG_PATH}}
+  #     with:
+  #       vcpkgGitCommitId: ea2a964f9303270322cf3f2d51c265ba146c422d # 1.04.2025
+  #       vcpkgDirectory: ${{env.BUILD_DIR}}/vcpkg
+  #       vcpkgJsonGlob: '**/vcpkg.json'
+
+  #   - name: Install dependencies
+  #     run: vcpkg install --triplet x64-windows
+
+  #   - name: Install Ninja
+  #     if: matrix.generator == 'Ninja'
+  #     uses: seanmiddleditch/gha-setup-ninja@3b1f8f94a2f8254bd26914c4ab9474d4f0015f67 # v6
+
+  #   - name: Configure MSVC environment
+  #     uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
+      
+  #   - name: Install llvm-mingw
+  #     run: |
+  #       curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20250430/llvm-mingw-20250430-ucrt-x86_64.zip
+  #   - name: Install llvm-mingw (extract)
+  #     run: |
+  #       powershell Expand-Archive llvm-mingw*.zip -DestinationPath .
+  #       del llvm-mingw*.zip
+  #       mv llvm-mingw* c:\llvm-mingw
+  #       echo "c:\llvm-mingw\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append
+  #       dir "c:\llvm-mingw\bin"
+  #   - name: cmake version
+  #     run: |
+  #       cmake --version
+  #       make --version
+  #       gcc --version
+
+  #   - name: Configure build
+  #     run: >
+  #       cmake
+  #       -B ${{env.BUILD_DIR}}
+  #       -DCMAKE_BUILD_TYPE=${{matrix.build_type}}
+  #       -DCMAKE_PREFIX_PATH="c:\llvm-mingw\bin:${{env.VCPKG_PATH}}"
+  #       -DCMAKE_C_COMPILER=${{matrix.compiler.c}}
+  #       -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}}
+  #       -G "${{matrix.generator}}"
+  #       -DUMF_BUILD_SHARED_LIBRARY=${{matrix.shared_library}}
+  #       -DUMF_LINK_HWLOC_STATICALLY=${{matrix.static_hwloc}}
+  #       -DUMF_FORMAT_CODE_STYLE=OFF
+  #       -DUMF_DEVELOPER_MODE=ON
+  #       -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON
+  #       -DUMF_BUILD_LEVEL_ZERO_PROVIDER=ON
+  #       -DUMF_BUILD_CUDA_PROVIDER=ON
+  #       -DUMF_TESTS_FAIL_ON_SKIP=ON
+  #       ${{ matrix.umfd_lib == 'ON' && '-DUMF_USE_DEBUG_POSTFIX=ON' || '' }}
+  #   - name: Build UMF
+  #     shell: cmd
+  #     run: cmake --build ${{env.BUILD_DIR}} --config ${{matrix.build_type}} -j %NUMBER_OF_PROCESSORS%
+
+  #   - name: Run tests
+  #     shell: cmd
+  #     working-directory: ${{env.BUILD_DIR}}
+  #     run: ctest -C ${{matrix.build_type}} --output-on-failure --test-dir test
+
+  #   - name: Get UMF version
+  #     run: |
+  #       $version = (git describe --tags --abbrev=0 | Select-String -Pattern '\d+\.\d+\.\d+').Matches.Value
+  #       echo "UMF_VERSION=$version" >> $env:GITHUB_ENV
+  #     shell: pwsh
+
+  #   - name: Test UMF installation and uninstallation
+  #     # The '--shared-library' parameter is added to the installation test when the UMF is built as a shared library
+  #     # The '--umfd-lib' parameter is added when the UMF is built with the umfd library
+  #     run: >
+  #       python3 ${{github.workspace}}/test/test_installation.py
+  #       --build-dir ${{env.BUILD_DIR}}
+  #       --install-dir ${{env.INSTALL_DIR}}
+  #       --build-type ${{matrix.build_type}}
+  #       --umf-version ${{env.UMF_VERSION}}
+  #       ${{ matrix.shared_library == 'ON' && '--proxy --shared-library' || '' }}
+  #       ${{ matrix.umfd_lib == 'ON' && '--umfd-lib' || ''}}
+  #       ${{ matrix.static_hwloc == 'ON' && '--hwloc' || '' }}
 
   icx:
    name: ICX
@@ -250,18 +265,43 @@ jobs:
        start /b /wait .\compiler_install.exe -s -x -f extracted --log extract.log
        extracted\bootstrapper.exe -s --action install --eula=accept -p=NEED_VS2017_INTEGRATION=0 ^
          -p=NEED_VS2019_INTEGRATION=0 -p=NEED_VS2022_INTEGRATION=0 --log-dir=.
-  
+
+   - name: test msys2
+     shell: msys2 {0}
+     run: |
+       dir /s /b /o:gn
+
+   # - name: Install llvm-mingw
+   #   run: |
+   #     curl -LO https://github.com/mstorsjo/llvm-mingw/releases/download/20250430/llvm-mingw-20250430-ucrt-x86_64.zip
+   # - name: Install llvm-mingw (extract)
+   #   run: |
+   #     powershell Expand-Archive llvm-mingw*.zip -DestinationPath .
+   #     del llvm-mingw*.zip
+   #     mv llvm-mingw* c:\llvm-mingw
+   #     echo "c:\llvm-mingw\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append
+   #     dir "c:\llvm-mingw\bin"
+   # - name: cmake version
+   #   run: |
+   #     cmake --version
+   #     make --version
+   #     gcc --version
+
+   - name: Install MSYS2
+     uses: msys2/setup-msys2@v2
+     with:
+       update: true
+       install: "make cmake"
+
    - name: Configure build
-     shell: cmd
+     shell: msys2 {0}
      run: |
-       call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
-       call "C:\Program Files (x86)\Intel\oneAPI\setvars-vcvarsall.bat"
        cmake ^
          -B ${{env.BUILD_DIR}} ^
-         -DCMAKE_PREFIX_PATH="${{env.VCPKG_PATH}}" ^
+         -DCMAKE_PREFIX_PATH="${{github.workspace}}\build\vcpkg\packages\hwloc_x64-windows;${{github.workspace}}\build\vcpkg\packages\tbb_x64-windows;${{github.workspace}}\build\vcpkg\packages\jemalloc_x64-windows" ^
          -DCMAKE_C_COMPILER=${{matrix.compiler.c}} ^
          -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}} ^
-         -G Ninja ^
+         -G "Unix Makefiles" ^
          -DUMF_BUILD_SHARED_LIBRARY=${{matrix.shared_library}} ^
          -DUMF_FORMAT_CODE_STYLE=OFF ^
          -DUMF_DEVELOPER_MODE=ON ^