diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 6b6859d..74d6b00 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -24,7 +24,7 @@ jobs:
         mkdir build
         cd build
         cmake .. -DCMAKE_BUILD_TYPE=Release
-        cmake --build . --config Release
+        cmake --build . -j 4 --config Release
         ctest --output-on-failure -C Release
 
     - name: Build Debug
@@ -33,7 +33,7 @@ jobs:
         mkdir build
         cd build
         cmake .. -DCMAKE_BUILD_TYPE=Debug
-        cmake --build . --config Debug
+        cmake --build . -j 4 --config Debug
         ctest --output-on-failure -C Debug
 
     - name: Bazel Test
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 1781c7d..6fb1d28 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -6,24 +6,27 @@ permissions: read-all
 
 jobs:
   ubuntu:
-    runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
         compiler:
-        - { cc: "gcc-9",    cxx: "g++-9"      }
-        - { cc: "gcc-10",   cxx: "g++-10"     }
-        - { cc: "gcc-11",   cxx: "g++-11"     }
-        - { cc: "clang-9",  cxx: "clang++-9"  }
-        - { cc: "clang-10", cxx: "clang++-10" }
-        - { cc: "clang-11", cxx: "clang++-11" }
-        - { cc: "clang-12", cxx: "clang++-12" }
-        - { cc: "clang-13", cxx: "clang++-13" }
-        - { cc: "clang-14", cxx: "clang++-14" }
-        - { cc: "clang-15", cxx: "clang++-15" }
-        - { cc: "clang-16", cxx: "clang++-16" }
+        - { cc: "gcc-9",    cxx: "g++-9",      os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "gcc-10",   cxx: "g++-10",     os: "ubuntu-20.04", nonascii: "TRUE" }
+        - { cc: "gcc-10",   cxx: "g++-10",     os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "gcc-11",   cxx: "g++-11",     os: "ubuntu-20.04", nonascii: "TRUE" }
+        - { cc: "gcc-11",   cxx: "g++-11",     os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "gcc-12",   cxx: "g++-12",     os: "ubuntu-22.04", nonascii: "FALSE" }
+        - { cc: "clang-9",  cxx: "clang++-9",  os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "clang-10", cxx: "clang++-10", os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "clang-11", cxx: "clang++-11", os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "clang-12", cxx: "clang++-12", os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "clang-13", cxx: "clang++-13", os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "clang-14", cxx: "clang++-14", os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "clang-15", cxx: "clang++-15", os: "ubuntu-20.04", nonascii: "FALSE" }
+        - { cc: "clang-16", cxx: "clang++-16", os: "ubuntu-20.04", nonascii: "FALSE" }
 
-    name: "${{matrix.compiler.cc}}"
+    name: "${{ format('{0} NONASCII={1}', matrix.compiler.cc, matrix.compiler.nonascii) }}"
+    runs-on: ${{ matrix.compiler.os }}
     steps:
     - uses: actions/checkout@v3
 
@@ -57,8 +60,8 @@ jobs:
         rm -rf build
         mkdir build
         cd build
-        cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}}
-        cmake --build . --config Release
+        cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}} -DMAGIC_ENUM_OPT_ENABLE_NONASCII:BOOL=${{matrix.compiler.nonascii}}
+        cmake --build . -j 4 --config Release
         ctest --output-on-failure -C Release
 
     - name: Build Debug
@@ -66,8 +69,8 @@ jobs:
         rm -rf build
         mkdir build
         cd build
-        cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}}
-        cmake --build . --config Debug
+        cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}} -DMAGIC_ENUM_OPT_ENABLE_NONASCII:BOOL=${{matrix.compiler.nonascii}}
+        cmake --build . -j 4 --config Debug
         ctest --output-on-failure -C Debug
 
     - name: Bazel Test
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 310f47c..8879d6f 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -14,7 +14,7 @@ jobs:
         - { os: windows-2019, vs: "Visual Studio 2019" } # https://github.com/actions/virtual-environments/blob/main/images/win/Windows2019-Readme.md#visual-studio-enterprise-2019
         - { os: windows-2022, vs: "Visual Studio 2022" } # https://github.com/actions/virtual-environments/blob/main/images/win/Windows2022-Readme.md#visual-studio-enterprise-2022
 
-    name: "${{matrix.config.vs}}"
+    name: "${{ matrix.config.vs }}"
     steps:
     - uses: actions/checkout@v3
 
@@ -25,9 +25,9 @@ jobs:
         mkdir build
         cd build
         cmake .. -A Win32
-        cmake --build . --config Release
+        cmake --build . -j 4 --config Release
         ctest --output-on-failure -C Release
-        cmake --build . --config Debug
+        cmake --build . -j 4 --config Debug
         ctest --output-on-failure -C Debug
 
     - name: Build x64
@@ -37,9 +37,9 @@ jobs:
         mkdir build
         cd build
         cmake .. -A x64
-        cmake --build . --config Release
+        cmake --build . -j 4 --config Release
         ctest --output-on-failure -C Release
-        cmake --build . --config Debug
+        cmake --build . -j 4 --config Debug
         ctest --output-on-failure -C Debug
 
     - name: Bazel Test