diff --git a/.github/workflows/cmake-analysis.yml b/.github/workflows/cmake-analysis.yml
new file mode 100644
index 00000000000..58eb6ce584f
--- /dev/null
+++ b/.github/workflows/cmake-analysis.yml
@@ -0,0 +1,419 @@
+name: hdf5 dev ctest analysis runs
+
+# Triggers the workflow on a call from another workflow
+on:
+  workflow_call:
+    inputs:
+      snap_name:
+        description: 'The name in the source tarballs'
+        type: string
+        required: false
+        default: hdfsrc
+      file_base:
+        description: "The common base name of the source tarballs"
+        required: true
+        type: string
+      use_environ:
+        description: 'Environment to locate files'
+        type: string
+        required: true
+        default: snapshots
+
+permissions:
+  contents: read
+
+jobs:
+  coverage_test_linux_GCC:
+  # Linux (Ubuntu) w/ gcc + coverage
+  #
+    name: "Ubuntu GCC Coverage"
+    runs-on: ubuntu-latest
+    steps:
+    - name: Install CMake Dependencies (Linux_coverage)
+      run: |
+        sudo apt update
+        sudo apt-get install ninja-build doxygen graphviz curl libncurses5 build-essential
+        sudo apt install libssl3 libssl-dev libcurl4 libcurl4-openssl-dev
+        sudo apt-get install lcov -q -y
+
+    - name: Set file base name (Linux_coverage)
+      id: set-file-base
+      run: |
+        FILE_NAME_BASE=$(echo "${{ inputs.file_base }}")
+        echo "FILE_BASE=$FILE_NAME_BASE" >> $GITHUB_OUTPUT
+        if [[ '${{ inputs.use_environ }}' == 'release' ]]
+        then
+          SOURCE_NAME_BASE=$(echo "${{ inputs.snap_name }}")
+        else
+          SOURCE_NAME_BASE=$(echo "hdfsrc")
+        fi
+        echo "SOURCE_BASE=$SOURCE_NAME_BASE" >> $GITHUB_OUTPUT
+
+    # Get files created by release script
+    - name: Get tgz-tarball (Linux_coverage)
+      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+      with:
+        name: tgz-tarball
+        path: ${{ github.workspace }}
+
+    - name: List files for the space (Linux_coverage)
+      run: |
+        ls -l ${{ github.workspace }}
+        ls ${{ runner.workspace }}
+
+    - name: Uncompress source (Linux_coverage)
+      run: tar -zxvf ${{ github.workspace }}/${{ steps.set-file-base.outputs.FILE_BASE }}.tar.gz
+
+    - name: Copy script files for the space (Linux_coverage)
+      run: |
+        cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/CTestScript.cmake ${{ runner.workspace }}/hdf5
+        cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/HDF5config.cmake ${{ runner.workspace }}/hdf5
+
+    - name: List files for the hdf5 (Linux_coverage)
+      run: |
+        ls ${{ runner.workspace }}/hdf5
+
+    - name: Create options file (Linux_coverage)
+      uses: "DamianReeves/write-file-action@master"
+      with:
+        path: ${{ runner.workspace }}/hdf5/HDF5options.cmake
+        write-mode: overwrite
+        contents: |
+            set (CTEST_DROP_SITE_INIT "my.cdash.org")
+            # Change following line to submit to your CDash dashboard to a different CDash project
+            set (SITE_BUILDNAME_SUFFIX "${{ steps.set-file-base.outputs.FILE_BASE }}")
+            #set (CTEST_DROP_LOCATION_INIT "/submit.php?project=HDF5")
+            set (LOCAL_COVERAGE_TEST "TRUE")
+            set (LOCAL_USE_GCOV "TRUE")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_SHARED_LIBS:BOOL=OFF")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_STATIC_LIBS:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_JAVA:BOOL=OFF")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_COVERAGE:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DCODE_COVERAGE:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=ON")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_PLUGIN_SUPPORT:BOOL=OFF")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DLIBAEC_USE_LOCALCONTENT:BOOL=OFF")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DZLIB_USE_LOCALCONTENT:BOOL=OFF")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_PACK_EXAMPLES:BOOL=OFF")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_PACKAGE_EXTLIBS:BOOL=OFF")
+            set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_NO_PACKAGES:BOOL=ON")
+
+    - name: Run ctest (Linux_coverage)
+      run: |
+        cd "${{ runner.workspace }}/hdf5"
+        ctest -S HDF5config.cmake,CTEST_SITE_EXT=GH_COV,LOCAL_SUBMIT=ON,NINJA=TRUE,BUILD_GENERATOR=Unix,CTEST_SOURCE_NAME=${{ steps.set-file-base.outputs.SOURCE_BASE }} -C Debug -VV -O hdf5.log
+      shell: bash
+      continue-on-error: true
+
+    # Save log files created by ctest script
+    - name: Save log (Linux_coverage)
+      uses: actions/upload-artifact@v4
+      with:
+        name: clang-coverage-log
+        path: ${{ runner.workspace }}/hdf5/hdf5.log
+        if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn`
+
+  build_and_test_linux_LeakSanitizer:
+  # Linux (Ubuntu) w/ clang + LeakSanitizer
+  #
+    name: "Ubuntu Clang LeakSanitizer"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install CMake Dependencies (Linux_Leak)
+        run: |
+          sudo apt update
+          sudo apt-get install ninja-build doxygen graphviz curl libncurses5
+
+      - name: add clang to env
+        uses: KyleMayes/install-llvm-action@v2.0.5
+        id: setup-clang
+        with:
+          env: true
+          version: '18'
+
+      - name: Set file base name (Linux_Leak)
+        id: set-file-base
+        run: |
+          FILE_NAME_BASE=$(echo "${{ inputs.file_base }}")
+          echo "FILE_BASE=$FILE_NAME_BASE" >> $GITHUB_OUTPUT
+          if [[ '${{ inputs.use_environ }}' == 'release' ]]
+          then
+            SOURCE_NAME_BASE=$(echo "${{ inputs.snap_name }}")
+          else
+            SOURCE_NAME_BASE=$(echo "hdfsrc")
+          fi
+          echo "SOURCE_BASE=$SOURCE_NAME_BASE" >> $GITHUB_OUTPUT
+
+      # Get files created by release script
+      - name: Get tgz-tarball (Linux_Leak)
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        with:
+          name: tgz-tarball
+          path: ${{ github.workspace }}
+
+      - name: List files for the space (Linux_Leak)
+        run: |
+          ls -l ${{ github.workspace }}
+          ls ${{ runner.workspace }}
+
+      - name: Uncompress source (Linux_Leak)
+        run: tar -zxvf ${{ github.workspace }}/${{ steps.set-file-base.outputs.FILE_BASE }}.tar.gz
+
+      - name: Copy script files for the space (Linux_Leak)
+        run: |
+          cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/CTestScript.cmake ${{ runner.workspace }}/hdf5
+          cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/HDF5config.cmake ${{ runner.workspace }}/hdf5
+
+      - name: List files for the hdf5 (Linux_Leak)
+        run: |
+          ls ${{ runner.workspace }}/hdf5
+
+      - name: Create options file (Linux_Leak)
+        uses: "DamianReeves/write-file-action@master"
+        with:
+          path: ${{ runner.workspace }}/hdf5/HDF5options.cmake
+          write-mode: overwrite
+          contents: |
+              set (CTEST_DROP_SITE_INIT "my.cdash.org")
+              # Change following line to submit to your CDash dashboard to a different CDash project
+              set (SITE_BUILDNAME_SUFFIX "${{ steps.set-file-base.outputs.FILE_BASE }}")
+              #set (CTEST_DROP_LOCATION_INIT "/submit.php?project=HDF5")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
+              set (MODEL "Sanitize")
+              set (GROUP "Sanitize")
+              set (LOCAL_MEMCHECK_TEST "TRUE")
+              set (CTEST_MEMORYCHECK_TYPE "LeakSanitizer")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_SHARED_LIBS:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_STATIC_LIBS:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_JAVA:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SANITIZERS:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DUSE_SANITIZER:STRING=Leak")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_PLUGIN_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DLIBAEC_USE_LOCALCONTENT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DZLIB_USE_LOCALCONTENT:BOOL=OFF")
+
+      - name: Run ctest (Linux_Leak)
+        run: |
+          cd "${{ runner.workspace }}/hdf5"
+          ctest -S HDF5config.cmake,CTEST_SITE_EXT=GH-LEAK,LOCAL_SUBMIT=ON,NINJA=TRUE,BUILD_GENERATOR=Unix,CTEST_SOURCE_NAME=${{ steps.set-file-base.outputs.SOURCE_BASE }} -C Debug -VV -O hdf5.log
+        shell: bash
+        continue-on-error: true
+
+      # Save log files created by ctest script
+      - name: Save log (Linux_Leak)
+        uses: actions/upload-artifact@v4
+        with:
+          name: leak-ubuntu-log
+          path: ${{ runner.workspace }}/hdf5/hdf5.log
+          if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn`
+
+  build_and_test_linux_AddressSanitizer:
+  # Linux (Ubuntu) w/ clang + AddressSanitizer
+  #
+    name: "Ubuntu Clang AddressSanitizer"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install CMake Dependencies (Linux_Address)
+        run: |
+          sudo apt update
+          sudo apt-get install ninja-build doxygen graphviz curl libncurses5
+
+      - name: add clang to env
+        uses: KyleMayes/install-llvm-action@v2.0.5
+        id: setup-clang
+        with:
+          env: true
+          version: '18'
+
+      - name: Set file base name (Linux_Address)
+        id: set-file-base
+        run: |
+          FILE_NAME_BASE=$(echo "${{ inputs.file_base }}")
+          echo "FILE_BASE=$FILE_NAME_BASE" >> $GITHUB_OUTPUT
+          if [[ '${{ inputs.use_environ }}' == 'release' ]]
+          then
+            SOURCE_NAME_BASE=$(echo "${{ inputs.snap_name }}")
+          else
+            SOURCE_NAME_BASE=$(echo "hdfsrc")
+          fi
+          echo "SOURCE_BASE=$SOURCE_NAME_BASE" >> $GITHUB_OUTPUT
+
+      # Get files created by release script
+      - name: Get tgz-tarball (Linux_Address)
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        with:
+          name: tgz-tarball
+          path: ${{ github.workspace }}
+
+      - name: List files for the space (Linux_Address)
+        run: |
+          ls -l ${{ github.workspace }}
+          ls ${{ runner.workspace }}
+
+      - name: Uncompress source (Linux_Address)
+        run: tar -zxvf ${{ github.workspace }}/${{ steps.set-file-base.outputs.FILE_BASE }}.tar.gz
+
+      - name: Copy script files for the space (Linux_Address)
+        run: |
+          cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/CTestScript.cmake ${{ runner.workspace }}/hdf5
+          cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/HDF5config.cmake ${{ runner.workspace }}/hdf5
+
+      - name: List files for the hdf5 (Linux_Address)
+        run: |
+          ls ${{ runner.workspace }}/hdf5
+
+      - name: Create options file (Linux_Address)
+        uses: "DamianReeves/write-file-action@master"
+        with:
+          path: ${{ runner.workspace }}/hdf5/HDF5options.cmake
+          write-mode: overwrite
+          contents: |
+              set (CTEST_DROP_SITE_INIT "my.cdash.org")
+              # Change following line to submit to your CDash dashboard to a different CDash project
+              set (SITE_BUILDNAME_SUFFIX "${{ steps.set-file-base.outputs.FILE_BASE }}")
+              #set (CTEST_DROP_LOCATION_INIT "/submit.php?project=HDF5")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
+              set (MODEL "Sanitize")
+              set (GROUP "Sanitize")
+              set (LOCAL_MEMCHECK_TEST "TRUE")
+              set (CTEST_MEMORYCHECK_TYPE "AddressSanitizer")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_SHARED_LIBS:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_STATIC_LIBS:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_JAVA:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SANITIZERS:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DUSE_SANITIZER:STRING=Address")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_PLUGIN_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DLIBAEC_USE_LOCALCONTENT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DZLIB_USE_LOCALCONTENT:BOOL=OFF")
+
+      - name: Run ctest (Linux_Address)
+        run: |
+          cd "${{ runner.workspace }}/hdf5"
+          ctest -S HDF5config.cmake,CTEST_SITE_EXT=GH-ADDR,LOCAL_SUBMIT=ON,NINJA=TRUE,BUILD_GENERATOR=Unix,CTEST_SOURCE_NAME=${{ steps.set-file-base.outputs.SOURCE_BASE }} -C Debug -VV -O hdf5.log
+        shell: bash
+        continue-on-error: true
+
+      # Save log files created by ctest script
+      - name: Save log (Linux_Address)
+        uses: actions/upload-artifact@v4
+        with:
+          name: address-ubuntu-log
+          path: ${{ runner.workspace }}/hdf5/hdf5.log
+          if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn`
+
+  build_and_test_linux_UndefinedBehaviorSanitizer:
+  # Linux (Ubuntu) w/ clang + UndefinedBehaviorSanitizer
+  #
+    name: "Ubuntu Clang UndefinedBehaviorSanitizer"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install CMake Dependencies (Linux_UndefinedBehavior)
+        run: |
+          sudo apt update
+          sudo apt-get install ninja-build doxygen graphviz curl libncurses5
+
+      - name: add clang to env
+        uses: KyleMayes/install-llvm-action@v2.0.5
+        id: setup-clang
+        with:
+          env: true
+          version: '18'
+
+      - name: Set file base name (Linux_UndefinedBehavior)
+        id: set-file-base
+        run: |
+          FILE_NAME_BASE=$(echo "${{ inputs.file_base }}")
+          echo "FILE_BASE=$FILE_NAME_BASE" >> $GITHUB_OUTPUT
+          if [[ '${{ inputs.use_environ }}' == 'release' ]]
+          then
+            SOURCE_NAME_BASE=$(echo "${{ inputs.snap_name }}")
+          else
+            SOURCE_NAME_BASE=$(echo "hdfsrc")
+          fi
+          echo "SOURCE_BASE=$SOURCE_NAME_BASE" >> $GITHUB_OUTPUT
+
+      # Get files created by release script
+      - name: Get tgz-tarball (Linux_UndefinedBehavior)
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        with:
+          name: tgz-tarball
+          path: ${{ github.workspace }}
+
+      - name: List files for the space (Linux_UndefinedBehavior)
+        run: |
+          ls -l ${{ github.workspace }}
+          ls ${{ runner.workspace }}
+
+      - name: Uncompress source (Linux_UndefinedBehavior)
+        run: tar -zxvf ${{ github.workspace }}/${{ steps.set-file-base.outputs.FILE_BASE }}.tar.gz
+
+      - name: Copy script files for the space (Linux_UndefinedBehavior)
+        run: |
+          cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/CTestScript.cmake ${{ runner.workspace }}/hdf5
+          cp ${{ github.workspace }}/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/HDF5config.cmake ${{ runner.workspace }}/hdf5
+
+      - name: List files for the hdf5 (Linux_UndefinedBehavior)
+        run: |
+          ls ${{ runner.workspace }}/hdf5
+
+      - name: Create options file (Linux_UndefinedBehavior)
+        uses: "DamianReeves/write-file-action@master"
+        with:
+          path: ${{ runner.workspace }}/hdf5/HDF5options.cmake
+          write-mode: overwrite
+          contents: |
+              set (CTEST_DROP_SITE_INIT "my.cdash.org")
+              # Change following line to submit to your CDash dashboard to a different CDash project
+              set (SITE_BUILDNAME_SUFFIX "${{ steps.set-file-base.outputs.FILE_BASE }}")
+              #set (CTEST_DROP_LOCATION_INIT "/submit.php?project=HDF5")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
+              set (MODEL "Sanitize")
+              set (GROUP "Sanitize")
+              set (LOCAL_MEMCHECK_TEST "TRUE")
+              set (CTEST_MEMORYCHECK_TYPE "UndefinedBehaviorSanitizer")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_SHARED_LIBS:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DBUILD_STATIC_LIBS:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_JAVA:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SANITIZERS:BOOL=ON")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DUSE_SANITIZER:STRING=Undefined")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_PLUGIN_SUPPORT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DLIBAEC_USE_LOCALCONTENT:BOOL=OFF")
+              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DZLIB_USE_LOCALCONTENT:BOOL=OFF")
+
+      - name: Run ctest (Linux_UndefinedBehavior)
+        run: |
+          cd "${{ runner.workspace }}/hdf5"
+          ctest -S HDF5config.cmake,CTEST_SITE_EXT=GH-UNDEF,LOCAL_SUBMIT=ON,NINJA=TRUE,BUILD_GENERATOR=Unix,CTEST_SOURCE_NAME=${{ steps.set-file-base.outputs.SOURCE_BASE }} -C Debug -VV -O hdf5.log
+        shell: bash
+        continue-on-error: true
+
+      # Save log files created by ctest script
+      - name: Save log (Linux_UndefinedBehavior)
+        uses: actions/upload-artifact@v4
+        with:
+          name: undefined-ubuntu-log
+          path: ${{ runner.workspace }}/hdf5/hdf5.log
+          if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn`
diff --git a/.github/workflows/cmake-script.yml b/.github/workflows/cmake-script.yml
index 35541279595..f30504f10da 100644
--- a/.github/workflows/cmake-script.yml
+++ b/.github/workflows/cmake-script.yml
@@ -490,9 +490,7 @@ jobs:
         env:
           FC: ${{ steps.setup-fortran.outputs.fc }}
           CC: ${{ steps.setup-fortran.outputs.cc }}
-          CXX: ${{ steps.setup-fortran.outputs.cxx }}
-          BINSIGN: ${{ needs.check-secret.outputs.sign-state }}
-          SIGNTOOLDIR: ${{ github.workspace }}/Microsoft.Windows.SDK.BuildTools/bin/10.0.22621.0/x64
+          CXX: ${{ steps.setup-fortran.outputs.cc }}
         run: |
           cd "${{ runner.workspace }}/hdf5"
           ctest -S HDF5config.cmake,CTEST_SITE_EXT=GH-Intel,LOCAL_SUBMIT=ON,NINJA=TRUE,BUILD_GENERATOR=VS202264,CTEST_SOURCE_NAME=${{ steps.set-file-base.outputs.SOURCE_BASE }} -C Release -VV -O hdf5.log
@@ -603,110 +601,6 @@ jobs:
           if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn`
 
 ####### clang builds
-  build_and_test_win_clang:
-  # Windows w/ clang + CMake
-  #
-    name: "Windows ClangCL CTest"
-    runs-on: windows-latest
-    steps:
-      - name: Install Dependencies (Windows_clang)
-        run: choco install ninja
-
-      - name: add clang to env
-        uses: KyleMayes/install-llvm-action@v2.0.5
-        id: setup-clang
-        with:
-          env: true
-          version: '18'
-
-      - name: Set file base name (Windows_clang)
-        id: set-file-base
-        run: |
-          FILE_NAME_BASE=$(echo "${{ inputs.file_base }}")
-          echo "FILE_BASE=$FILE_NAME_BASE" >> $GITHUB_OUTPUT
-          if [[ '${{ inputs.use_environ }}' == 'release' ]]
-          then
-            SOURCE_NAME_BASE=$(echo "${{ inputs.snap_name }}")
-          else
-            SOURCE_NAME_BASE=$(echo "hdfsrc")
-          fi
-          echo "SOURCE_BASE=$SOURCE_NAME_BASE" >> $GITHUB_OUTPUT
-        shell: bash
-
-      # Get files created by release script
-      - name: Get zip-tarball (Windows_clang)
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
-        with:
-          name: zip-tarball
-          path: ${{ github.workspace }}
-
-      - name: using powershell
-        shell: pwsh
-        run: Get-Location
-
-      - name: List files for the space (Windows_clang)
-        run: |
-          Get-ChildItem -Path ${{ github.workspace }}
-          Get-ChildItem -Path ${{ runner.workspace }}
-        shell: pwsh
-
-      - name: Uncompress source (Windows_clang)
-        working-directory: ${{ github.workspace }}
-        run: 7z x ${{ steps.set-file-base.outputs.FILE_BASE }}.zip
-        shell: bash
-
-      - name: Copy script files for the space (Windows_clang)
-        run: |
-          Copy-Item -Path ${{ runner.workspace }}/hdf5/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/CTestScript.cmake -Destination ${{ runner.workspace }}/hdf5/
-          Copy-Item -Path ${{ runner.workspace }}/hdf5/${{ steps.set-file-base.outputs.SOURCE_BASE }}/config/cmake/scripts/HDF5config.cmake -Destination ${{ runner.workspace }}/hdf5/
-        shell: pwsh
-
-      - name: List files for the hdf5 (Windows_clang)
-        run: |
-          Get-ChildItem -Path ${{ runner.workspace }}/hdf5
-        shell: pwsh
-
-      - name: Create options file (Windows_clang)
-        uses: "DamianReeves/write-file-action@master"
-        with:
-          path: ${{ runner.workspace }}/hdf5/HDF5options.cmake
-          write-mode: overwrite
-          contents: |
-              set (CTEST_DROP_SITE_INIT "my.cdash.org")
-              # Change following line to submit to your CDash dashboard to a different CDash project
-              #set (CTEST_DROP_LOCATION_INIT "/submit.php?project=HDF5")
-              set (SITE_BUILDNAME_SUFFIX "${{ steps.set-file-base.outputs.FILE_BASE }}")
-              #set (CMAKE_GENERATOR_TOOLSET "ClangCL")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} --log-level=VERBOSE")
-              #set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DCMAKE_TOOLCHAIN_FILE:STRING=config/toolchain/clang.cmake")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_JAVA:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_CPP_LIB:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_BUILD_FORTRAN:BOOL=OFF")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_Z_LIB_SUPPORT:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_SZIP_ENCODING:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DHDF5_ENABLE_PLUGIN_SUPPORT:BOOL=ON")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DLIBAEC_USE_LOCALCONTENT:BOOL=OFF")
-              set (ADD_BUILD_OPTIONS "${ADD_BUILD_OPTIONS} -DZLIB_USE_LOCALCONTENT:BOOL=OFF")
-
-      - name: Run ctest (Windows_clang) with clang
-        env:
-          BINSIGN: ${{ needs.check-secret.outputs.sign-state }}
-          SIGNTOOLDIR: ${{ github.workspace }}/Microsoft.Windows.SDK.BuildTools/bin/10.0.22621.0/x64
-        run: |
-          cd "${{ runner.workspace }}/hdf5"
-          ctest -S HDF5config.cmake,CTEST_SITE_EXT=GH-Clang,LOCAL_SUBMIT=ON,NINJA=TRUE,BUILD_GENERATOR=VS202264,CTEST_SOURCE_NAME=${{ steps.set-file-base.outputs.SOURCE_BASE }} -C Release -VV -O hdf5.log
-        shell: pwsh
-        continue-on-error: true
-
-      # Save log files created by ctest script
-      - name: Save log (Windows_clang)
-        uses: actions/upload-artifact@v4
-        with:
-          name: clang-win-log
-          path: ${{ runner.workspace }}/hdf5/hdf5.log
-          if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn`
-
   build_and_test_linux_clang:
   # Linux (Ubuntu) w/ clang + CMake
   #
diff --git a/.github/workflows/daily-build.yml b/.github/workflows/daily-build.yml
index ef98e353ab2..65150c5f3ec 100644
--- a/.github/workflows/daily-build.yml
+++ b/.github/workflows/daily-build.yml
@@ -1,6 +1,7 @@
 name: hdf5 dev daily build
 
-# Triggers the workflow on a schedule or on demand
+# Triggers the workflow on demand or on a call from another workflow
+# NOTE: inputs must be duplicated between triggers
 on:
   workflow_dispatch:
     inputs:
@@ -9,8 +10,13 @@ on:
         type: string
         required: false
         default: check
-  schedule:
-    - cron: "6 0 * * *"
+  workflow_call:
+    inputs:
+      use_ignore:
+        description: 'Ignore has_changes check'
+        type: string
+        required: false
+        default: check
 
 permissions:
   contents: read
@@ -61,6 +67,14 @@ jobs:
       use_environ: snapshots
     if: ${{ ((needs.call-workflow-tarball.outputs.has_changes == 'true') || (needs.get-old-names.outputs.run-ignore == 'ignore')) }}
 
+  call-workflow-sanitizers:
+    needs: [get-old-names, call-workflow-tarball]
+    uses: ./.github/workflows/cmake-analysis.yml
+    with:
+      file_base: ${{ needs.call-workflow-tarball.outputs.file_base }}
+      use_environ: snapshots
+    if: ${{ ((needs.call-workflow-tarball.outputs.has_changes == 'true') || (needs.get-old-names.outputs.run-ignore == 'ignore')) }}
+
   call-workflow-ctest:
     needs: [get-old-names, call-workflow-tarball]
     uses: ./.github/workflows/cmake-ctest.yml
diff --git a/.github/workflows/daily-schedule.yml b/.github/workflows/daily-schedule.yml
new file mode 100644
index 00000000000..83486c97696
--- /dev/null
+++ b/.github/workflows/daily-schedule.yml
@@ -0,0 +1,16 @@
+name: hdf5 dev daily build on schedule
+
+# Triggers the workflow on a schedule or on demand
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "6 0 * * *"
+
+permissions:
+    contents: write # In order to allow tag creation and file deletion
+
+jobs:
+  daily-build:
+    uses: ./.github/workflows/daily-build.yml
+    with:
+      use_ignore: check
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2dc3af4a8ef..5522dc35aad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -600,8 +600,10 @@ option (HDF5_ENABLE_COVERAGE "Enable code coverage for Libraries and Programs" O
 if (HDF5_ENABLE_COVERAGE)
   include (${HDF5_SOURCE_DIR}/config/sanitizer/code-coverage.cmake)
   if(CODE_COVERAGE AND CODE_COVERAGE_ADDED)
+    message(VERBOSE "Add instrumentation to all targets")
     add_code_coverage () # Adds instrumentation to all targets
   else ()
+    message(VERBOSE "Use --coverage option")
     set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 --coverage -fprofile-arcs -ftest-coverage")
     set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g --coverage -O0 -fprofile-arcs -ftest-coverage")
     if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
diff --git a/config/cmake/ConfigureChecks.cmake b/config/cmake/ConfigureChecks.cmake
index 6db82bb9229..c13334c5f8c 100644
--- a/config/cmake/ConfigureChecks.cmake
+++ b/config/cmake/ConfigureChecks.cmake
@@ -67,6 +67,8 @@ if (WIN32 AND NOT MINGW)
       set (${HDF_PREFIX}_HAVE_VISUAL_STUDIO 1)
     endif ()
   endif ()
+  message (TRACE "MSVC=${MSVC}")
+  message (TRACE "HAVE_VISUAL_STUDIO=${${HDF_PREFIX}_HAVE_VISUAL_STUDIO}")
 endif ()
 
 if (WINDOWS)
@@ -79,13 +81,12 @@ if (WINDOWS)
   endif ()
   if (NOT UNIX AND NOT CYGWIN)
     set (${HDF_PREFIX}_HAVE_GETCONSOLESCREENBUFFERINFO 1)
-    if (MSVC_VERSION GREATER_EQUAL 1900)
-      set (${HDF_PREFIX}_HAVE_TIMEZONE 1)
-    endif ()
+    set (${HDF_PREFIX}_HAVE_TIMEZONE 1)
     set (${HDF_PREFIX}_HAVE_GETTIMEOFDAY 1)
     set (${HDF_PREFIX}_HAVE_LIBWS2_32 1)
     set (${HDF_PREFIX}_HAVE_LIBWSOCK32 1)
   endif ()
+  message (TRACE "HAVE_TIMEZONE=${${HDF_PREFIX}_HAVE_TIMEZONE}")
 endif ()
 
 # ----------------------------------------------------------------------
diff --git a/config/sanitizer/code-coverage.cmake b/config/sanitizer/code-coverage.cmake
index 54a33deda3f..5249ed05af1 100644
--- a/config/sanitizer/code-coverage.cmake
+++ b/config/sanitizer/code-coverage.cmake
@@ -81,9 +81,13 @@ option(
 
 # Programs
 find_program(LLVM_COV_PATH llvm-cov)
+message(VERBOSE "program llvm-cov=${LLVM_COV_PATH}")
 find_program(LLVM_PROFDATA_PATH llvm-profdata)
+message(VERBOSE "program llvm-profdata=${LLVM_PROFDATA_PATH}")
 find_program(LCOV_PATH lcov)
+message(VERBOSE "program lcov=${LCOV_PATH}")
 find_program(GENHTML_PATH genhtml)
+message(VERBOSE "program genhtml=${GENHTML_PATH}")
 # Hide behind the 'advanced' mode flag for GUI/ccmake
 mark_as_advanced(FORCE LLVM_COV_PATH LLVM_PROFDATA_PATH LCOV_PATH GENHTML_PATH)
 
diff --git a/config/toolchain/intel.cmake b/config/toolchain/intel.cmake
index f8f60b28b46..f5b227ba2a0 100644
--- a/config/toolchain/intel.cmake
+++ b/config/toolchain/intel.cmake
@@ -4,7 +4,11 @@
 set(CMAKE_COMPILER_VENDOR "intel")
 
 set(CMAKE_C_COMPILER icx)
-set(CMAKE_CXX_COMPILER icpx)
+if(WIN32)
+ set(CMAKE_CXX_COMPILER icx)
+else()
+  set(CMAKE_CXX_COMPILER icpx)
+endif()
 set(CMAKE_Fortran_COMPILER ifx)
 
 # the following is used if cross-compiling
diff --git a/src/H5VLpassthru.c b/src/H5VLpassthru.c
index 8c1de0e6d96..14274ed86c9 100644
--- a/src/H5VLpassthru.c
+++ b/src/H5VLpassthru.c
@@ -49,13 +49,6 @@
 /* (Uncomment to enable) */
 /* #define ENABLE_PASSTHRU_LOGGING */
 
-/* Hack for missing va_copy() in old Visual Studio editions
- * (from H5win2_defs.h - used on VS2012 and earlier)
- */
-#if defined(_WIN32) && defined(_MSC_VER) && (_MSC_VER < 1800)
-#define va_copy(D, S) ((D) = (S))
-#endif
-
 /************/
 /* Typedefs */
 /************/
diff --git a/src/H5system.c b/src/H5system.c
index 21135bc5da9..2da53d82e55 100644
--- a/src/H5system.c
+++ b/src/H5system.c
@@ -173,14 +173,10 @@ Nflock(int H5_ATTR_UNUSED fd, int H5_ATTR_UNUSED operation)
 time_t
 H5_make_time(struct tm *tm)
 {
-    time_t the_time;                                     /* The converted time */
-#if defined(H5_HAVE_VISUAL_STUDIO) && (_MSC_VER >= 1900) /* VS 2015 */
-    /* In gcc and in Visual Studio prior to VS 2015 'timezone' is a global
-     * variable declared in time.h. That variable was deprecated and in
-     * VS 2015 is removed, with _get_timezone replacing it.
-     */
+    time_t the_time; /* The converted time */
+#if defined(H5_HAVE_VISUAL_STUDIO)
     long timezone = 0;
-#endif                    /* defined(H5_HAVE_VISUAL_STUDIO) && (_MSC_VER >= 1900) */
+#endif
     time_t ret_value = 0; /* Return value */
 
     FUNC_ENTER_NOAPI_NOINIT
@@ -203,13 +199,9 @@ H5_make_time(struct tm *tm)
     /* BSD-like systems */
     the_time += tm->tm_gmtoff;
 #elif defined(H5_HAVE_TIMEZONE)
-#if defined(H5_HAVE_VISUAL_STUDIO) && (_MSC_VER >= 1900) /* VS 2015 */
-    /* In gcc and in Visual Studio prior to VS 2015 'timezone' is a global
-     * variable declared in time.h. That variable was deprecated and in
-     * VS 2015 is removed, with _get_timezone replacing it.
-     */
+#if defined(H5_HAVE_VISUAL_STUDIO)
     _get_timezone(&timezone);
-#endif /* defined(H5_HAVE_VISUAL_STUDIO) && (_MSC_VER >= 1900) */
+#endif
 
     the_time -= timezone - (tm->tm_isdst ? 3600 : 0);
 #else