diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 06bffc28..1e6ac55d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,10 +1,5 @@
 name: Continuous Integration
 
-#on:
-#  push:
-#    tags:
-#      - 'v*'
-
 on: [push]
 
 jobs:
@@ -12,31 +7,106 @@ jobs:
     runs-on: ubuntu-latest
     needs: [build-macos, build-linux, build-windows, build-msys-openmodelica, build-msys, build-docs]
     steps:
-    - uses: actions/upload-artifact/merge@v4
+    - name: Download All Artifacts
+      uses: actions/download-artifact@v5
       with:
-        name: binaries
         pattern: binaries-* 
-    - name: Display structure of downloaded files
+        merge-multiple: true
+    - name: Determine the name suffix
+      id: ref_name
+      run: |
+        if [[ "${GITHUB_REF}" == refs/tags/* ]]; then
+          echo "This is a tag build"
+          echo "ref_name=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+        else
+          echo "This is a branch build"
+          echo "ref_name=latest" >> $GITHUB_OUTPUT
+        fi
+    - name: Copy the PDF manual
+      run: cp ExternalMedia/Resources/manual.pdf ExternalMedia-${{ steps.ref_name.outputs.ref_name }}.pdf
+    - name: Zip binaries
+      uses: papeloto/action-zip@v1
+      with:
+        files: ExternalMedia/
+        recursive: true
+        dest: ExternalMedia-${{ steps.ref_name.outputs.ref_name }}.zip
+    - name: Display the file structure
       run: ls -R
-    # - name: Zip binaries
-      # uses: papeloto/action-zip@v1
-      # with:
-        # files: binaries/
-        # recursive: true
-        # dest: latest.zip
-    # - name: Upload zipped binaries
-      # uses: actions/upload-artifact@v4
-        # with:
-          # name: latest
-          # path: latest.zip
-    # - name: Deploy zipped binaries
-      # uses: peaceiris/actions-gh-pages@v3
-      # with:
-        # github_token: ${{ secrets.GITHUB_TOKEN }}
-        # publish_dir: Documentation/html
-        # #destination_dir: latest
+    - name: Upload zipped binaries
+      uses: actions/upload-artifact@v5
+      with:
+        name: ExternalMedia-binaries
+        path: |
+          ./ExternalMedia-latest.pdf
+          ./ExternalMedia-latest.zip
+      if: github.ref_type != 'tag'
+    - name: Release on GitHub
+      uses: softprops/action-gh-release@v2
+      with:
+        files: |
+          ./ExternalMedia-*.pdf
+          ./ExternalMedia-*.zip
+      if: github.ref_type == 'tag'
+    - uses: geekyeggo/delete-artifact@v5
+      with:
+          name: binaries-*
+
+  get-coolprop:
+    runs-on: ubuntu-latest
+    outputs:
+      coolprop-hash: ${{ steps.coolprop_hash.outputs.coolprop-hash }}
+      coolprop-check: ${{ steps.coolprop_check.outputs.coolprop-check }}
+    env:
+      COOLPROP_VERSION: v7.1.0
+    steps:
+    - name: Get CoolProp version hash
+      shell: bash
+      id: coolprop_hash
+      run: echo "coolprop-hash=$(git ls-remote https://github.com/CoolProp/CoolProp.git refs/tags/${COOLPROP_VERSION} | awk '{print $1}')" >> $GITHUB_OUTPUT
+    - name: Restore the CoolProp cache
+      uses: actions/cache/restore@v4
+      id: coolprop_cache
+      with:
+        key: coolprop-${{ steps.coolprop_hash.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        lookup-only: true
+        enableCrossOsArchive: true
+    - name: Download CoolProp sources
+      if: steps.coolprop_cache.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        mkdir externals
+        cd externals
+        git clone --recursive https://github.com/CoolProp/CoolProp.git CoolProp.git
+        cd CoolProp.git
+        git checkout tags/v7.1.0
+        git submodule update --init --recursive
+    - name: Save the CoolProp cache
+      uses: actions/cache/save@v4
+      if: steps.coolprop_cache.outputs.cache-hit != 'true'
+      with:
+        key: coolprop-${{ steps.coolprop_hash.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        enableCrossOsArchive: true
+    - name: Set CoolProp availability
+      id: coolprop_check
+      shell: bash
+      run: |
+        if ${{ steps.coolprop_cache.outputs.cache-hit }}; then
+          echo "CoolProp exists in the cache"
+          echo "coolprop-check=1" >> $GITHUB_OUTPUT
+        else
+          if [ -d "externals/CoolProp.git" ]; then
+            echo "CoolProp has been cloned successfully"
+            echo "coolprop-check=1" >> $GITHUB_OUTPUT
+          else
+            echo "CoolProp is NOT available"
+            echo "coolprop-check=0" >> $GITHUB_OUTPUT
+          fi
+        fi 
 
   build-macos:
+    needs: get-coolprop
     runs-on: ${{ matrix.platform }}
     strategy:
       # Only use one build here, otherwise we cannot control which build is included in the release zip package
@@ -53,19 +123,19 @@ jobs:
       run: |
         cmake --version
         cmake -E make_directory ${{runner.workspace}}/build
-    - name: Download CoolProp sources
-      run: |
-        mkdir externals
-        cd externals
-        git clone --recursive https://github.com/CoolProp/CoolProp.git CoolProp.git
-        cd CoolProp.git
-        git checkout tags/v7.1.0
-        git submodule update --init --recursive
+    - name: Restore CoolProp sources
+      if: needs.get-coolprop.outputs.coolprop-check == '1'
+      uses: actions/cache/restore@v4
+      with:
+        key: coolprop-${{ needs.get-coolprop.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        fail-on-cache-miss: true
+        enableCrossOsArchive: true
     - name: Configure with CMake
       working-directory: ${{runner.workspace}}/build
       run: |
-       cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES=${{ matrix.arch }} -DFLUIDPROP=0 -DCOOLPROP=1 || true
-       cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES=${{ matrix.arch }} -DFLUIDPROP=0 -DCOOLPROP=1
+       cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES=${{ matrix.arch }} -DFLUIDPROP=0 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }} || true
+       cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DCMAKE_OSX_ARCHITECTURES=${{ matrix.arch }} -DFLUIDPROP=0 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
     - name: Build with CMake
       working-directory: ${{runner.workspace}}/build
       run: cmake --build . --target ExternalMediaLib
@@ -75,11 +145,12 @@ jobs:
     - name: upload macos artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: binaries-${{ matrix.arch }}
+        name: binaries-macos-${{ matrix.arch }}
         path: Modelica
 
 
   build-linux:
+    needs: get-coolprop
     runs-on: ${{ matrix.platform }}
     strategy:
       # Only use one build here, otherwise we cannot control which build is included in the release zip package
@@ -95,19 +166,19 @@ jobs:
       run: |
         cmake --version
         cmake -E make_directory ${{runner.workspace}}/build
-    - name: Download CoolProp sources
-      run: |
-        mkdir externals
-        cd externals
-        git clone --recursive https://github.com/CoolProp/CoolProp.git CoolProp.git
-        cd CoolProp.git
-        git checkout tags/v7.1.0
-        git submodule update --init --recursive
+    - name: Restore CoolProp sources
+      if: needs.get-coolprop.outputs.coolprop-check == '1'
+      uses: actions/cache/restore@v4
+      with:
+        key: coolprop-${{ needs.get-coolprop.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        fail-on-cache-miss: true
+        enableCrossOsArchive: true
     - name: Configure with CMake
       working-directory: ${{runner.workspace}}/build
       run: |
-        cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=0 -DCOOLPROP=1 || true
-        cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=0 -DCOOLPROP=1
+        cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=0 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }} || true
+        cmake ${GITHUB_WORKSPACE}/Projects -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=0 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
     - name: Build with CMake
       working-directory: ${{runner.workspace}}/build
       run: cmake --build . --target ExternalMediaLib
@@ -117,11 +188,12 @@ jobs:
     - name: upload linux artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: binaries-${{ matrix.platform }}
+        name: binaries-linux-x86_64
         path: Modelica
 
 
   build-windows:
+    needs: get-coolprop
     runs-on: ${{ matrix.platform }}
     strategy:
       # Use several builds here, Windows requires different builds for different compilers
@@ -136,49 +208,16 @@ jobs:
             generator: Visual Studio 17 2022
             arch: x64
             toolset: v143
-          # - platform: windows-2022
-          #   generator: Visual Studio 17 2022
-          #   arch: Win32
-          #   toolset: v143
-          # - platform: windows-2022
-          #   generator: Visual Studio 17 2022
-          #   arch: x64
-          #   toolset: v143
-          # - platform: windows-2019
-          #   generator: Visual Studio 16 2019
-          #   arch: Win32
-          #   toolset: v142
-          # - platform: windows-2019
-          #   generator: Visual Studio 16 2019
-          #   arch: x64
-          #   toolset: v142
-          # - platform: windows-2019
-          #   generator: Visual Studio 16 2019
-          #   arch: Win32
-          #   toolset: v141
-          # - platform: windows-2019
-          #   generator: Visual Studio 16 2019
-          #   arch: x64
-          #   toolset: v141
-          # - platform: windows-2019
-          #   generator: Visual Studio 16 2019
-          #   arch: Win32
-          #   toolset: v140
-          # - platform: windows-2019
-          #   generator: Visual Studio 16 2019
-          #   arch: x64
-          #   toolset: v140
-          #   #cmake -G "Visual Studio 14" -T v120 -T v141,version=14.11
     steps:
     - uses: actions/checkout@v5
-    - name: Download CoolProp sources
-      run: |
-        mkdir externals
-        cd externals
-        git clone --recursive https://github.com/CoolProp/CoolProp.git CoolProp.git
-        cd CoolProp.git
-        git checkout tags/v7.1.0
-        git submodule update --init --recursive
+    - name: Restore CoolProp sources
+      if: needs.get-coolprop.outputs.coolprop-check == '1'
+      uses: actions/cache/restore@v4
+      with:
+        key: coolprop-${{ needs.get-coolprop.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        fail-on-cache-miss: true
+        enableCrossOsArchive: true
     - name: Create Build Environment
       run: |
         cmake --version
@@ -186,8 +225,8 @@ jobs:
     - name: Configure with CMake
       working-directory: ${{runner.workspace}}/build
       run: |
-        cmake ${{ runner.workspace }}/ExternalMedia/Projects -A ${{ matrix.arch }} -G "${{ matrix.generator }}" -T "${{ matrix.toolset }}" -DFLUIDPROP=1 -DCOOLPROP=1
-        cmake ${{ runner.workspace }}/ExternalMedia/Projects -A ${{ matrix.arch }} -G "${{ matrix.generator }}" -T "${{ matrix.toolset }}" -DFLUIDPROP=1 -DCOOLPROP=1
+        cmake ${{ runner.workspace }}/ExternalMedia/Projects -A ${{ matrix.arch }} -G "${{ matrix.generator }}" -T "${{ matrix.toolset }}" -DFLUIDPROP=1 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
+        cmake ${{ runner.workspace }}/ExternalMedia/Projects -A ${{ matrix.arch }} -G "${{ matrix.generator }}" -T "${{ matrix.toolset }}" -DFLUIDPROP=1 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
     - name: Build with CMake
       working-directory: ${{runner.workspace}}/build
       run: cmake --build . --target ExternalMediaLib --config Release
@@ -197,74 +236,91 @@ jobs:
     - name: upload windows artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: binaries-${{ matrix.toolset }}-${{ matrix.arch }}
+        name: binaries-windows-${{ matrix.toolset }}-${{ matrix.arch }}
         path: Modelica
 
 
+  get-msys-openmodelica:
+    runs-on: windows-latest
+    outputs:
+      omdev-hash: ${{ steps.keyomdev.outputs.omdev-hash }}
+    steps:
+    - name: Get OMDev version hash
+      shell: bash
+      id: keyomdev
+      run: echo "omdev-hash=$(git ls-remote https://openmodelica.org/git/OMDev.git HEAD | awk '{print $1}')" >> $GITHUB_OUTPUT
+    - name: Restore the OMDev cache
+      uses: actions/cache/restore@v4
+      id: cacheomdev
+      with:
+        path: C:/OMDev
+        key: omdev-${{ steps.keyomdev.outputs.omdev-hash }}
+        lookup-only: true
+    - name: Create the OMDev environment
+      if: steps.cacheomdev.outputs.cache-hit != 'true'
+      run: git clone https://openmodelica.org/git/OMDev.git C:/OMDev
+    - name: Save the OMDev cache
+      uses: actions/cache/save@v4
+      if: steps.cacheomdev.outputs.cache-hit != 'true'
+      with:
+        path: C:/OMDev
+        key: omdev-${{ steps.keyomdev.outputs.omdev-hash }}
+
   build-msys-openmodelica:
+    needs: [get-msys-openmodelica, get-coolprop]
     runs-on: windows-latest
+    strategy:
+      matrix:
+        include:
+          - bitness: 32
+          - bitness: 64
     steps:
+    - name: Restore the OMDev cache
+      uses: actions/cache/restore@v4
+      id: cache-omdev
+      with:
+        path: C:/OMDev
+        key: omdev-${{ needs.get-msys-openmodelica.outputs.omdev-hash }}
     - uses: actions/checkout@v5
-    - name: Download CoolProp sources
-      run: |
-        mkdir externals
-        cd externals
-        git clone --recursive https://github.com/CoolProp/CoolProp.git CoolProp.git
-        cd CoolProp.git
-        git checkout tags/v7.1.0
-        git submodule update --init --recursive
-    - name: Create Build Environment
-      run: |
-        cmake --version
-        git clone https://openmodelica.org/git/OMDev.git C:/OMDev
-    - name: Configure with CMake for 32bit
-      working-directory: ${{runner.workspace}}
-      run: |
-        $env:Path = "${env:ProgramFiles}\CMake\bin;C:\OMDev\tools\msys\usr\bin;C:\OMDev\tools\msys\mingw32\bin;$env:Path"
-        cmake -B build32 -S ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
-        cmake -B build32 -S ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
-    - name: Build with CMake for 32bit
-      working-directory: ${{runner.workspace}}
-      run: |
-        $env:Path = "${env:ProgramFiles}\CMake\bin;C:\OMDev\tools\msys\usr\bin;C:\OMDev\tools\msys\mingw32\bin;$env:Path"
-        cmake --build build32 --target ExternalMediaLib
-        cmake --build build32 --target install
-    - name: Configure with CMake for 64bit
+    - name: Restore CoolProp sources
+      if: needs.get-coolprop.outputs.coolprop-check == '1'
+      uses: actions/cache/restore@v4
+      with:
+        key: coolprop-${{ needs.get-coolprop.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        fail-on-cache-miss: true
+        enableCrossOsArchive: true
+    - name: Configure with CMake for ${{ matrix.bitness }}bit
       working-directory: ${{runner.workspace}}
       run: |
-        $env:Path = "${env:ProgramFiles}\CMake\bin;C:\OMDev\tools\msys\usr\bin;C:\OMDev\tools\msys\mingw64\bin;$env:Path"
-        cmake -B build64 -S ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
-        cmake -B build64 -S ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
-    - name: Build with CMake for 64bit
+        $env:Path = "${env:ProgramFiles}\CMake\bin;C:\OMDev\tools\msys\usr\bin;C:\OMDev\tools\msys\mingw${{ matrix.bitness }}\bin;$env:Path"
+        cmake -B build -S ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
+        cmake -B build -S ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
+    - name: Build with CMake for ${{ matrix.bitness }}bit
       working-directory: ${{runner.workspace}}
       run: |
-        $env:Path = "${env:ProgramFiles}\CMake\bin;C:\OMDev\tools\msys\usr\bin;C:\OMDev\tools\msys\mingw64\bin;$env:Path"
-        cmake --build build64 --target ExternalMediaLib
-        cmake --build build64 --target install
+        $env:Path = "${env:ProgramFiles}\CMake\bin;C:\OMDev\tools\msys\usr\bin;C:\OMDev\tools\msys\mingw${{ matrix.bitness }}\bin;$env:Path"
+        cmake --build build --target ExternalMediaLib
+        cmake --build build --target install
     - name: upload msys-openmodelica artifacts
       uses: actions/upload-artifact@v4
       with:
-        name: binaries-msys-openmodelica
+        name: binaries-windows-msys-openmodelica-${{ matrix.bitness }}
         path: Modelica
 
-#set Path=%ProgramFiles%\CMake\bin;C:\OMDev\tools\msys\usr\bin;C:\OMDev\tools\msys\mingw64\bin;%Path%
-#cmake -B build64 -S Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
-#cmake -B build64 -S Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
-#cmake --build build64 --target ExternalMediaLib
-#cmake --build build64 --target install
-
   build-msys:
+    needs: get-coolprop
     runs-on: windows-latest
     steps:
     - uses: actions/checkout@v5
-    - name: Download CoolProp sources
-      run: |
-        mkdir externals
-        cd externals
-        git clone --recursive https://github.com/CoolProp/CoolProp.git CoolProp.git
-        cd CoolProp.git
-        git checkout tags/v7.1.0
-        git submodule update --init --recursive
+    - name: Restore CoolProp sources
+      if: needs.get-coolprop.outputs.coolprop-check == '1'
+      uses: actions/cache/restore@v4
+      with:
+        key: coolprop-${{ needs.get-coolprop.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        fail-on-cache-miss: true
+        enableCrossOsArchive: true
     - name: Create Build Environment
       run: |
         cmake --version
@@ -272,8 +328,8 @@ jobs:
     - name: Configure with CMake
       working-directory: ${{runner.workspace}}/build
       run: |
-        cmake ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
-        cmake ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=1
+        cmake ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
+        cmake ${{ runner.workspace }}/ExternalMedia/Projects -G "MSYS Makefiles" -DCMAKE_BUILD_TYPE=Release -DFLUIDPROP=1 -DCOOLPROP=${{ needs.get-coolprop.outputs.coolprop-check }}
     - name: Build with CMake
       working-directory: ${{runner.workspace}}/build
       run: cmake --build . --target ExternalMediaLib
@@ -287,18 +343,19 @@ jobs:
     #    path: Modelica
     
   build-docs:
+    needs: get-coolprop
     runs-on: ubuntu-latest
     steps:
 
     - uses: actions/checkout@v5
-    - name: Download CoolProp sources
-      run: |
-        mkdir externals
-        cd externals
-        git clone --recursive https://github.com/CoolProp/CoolProp.git CoolProp.git
-        cd CoolProp.git
-        git checkout tags/v7.1.0
-        git submodule update --init --recursive
+    - name: Restore CoolProp sources
+      if: needs.get-coolprop.outputs.coolprop-check == '1'
+      uses: actions/cache/restore@v4
+      with:
+        key: coolprop-${{ needs.get-coolprop.outputs.coolprop-hash }}
+        path: externals/CoolProp.git
+        fail-on-cache-miss: true
+        enableCrossOsArchive: true
 
     - name: Build Doxygen sources
       uses: mattnotmitt/doxygen-action@v1
diff --git a/Modelica/ExternalMedia/package.mo b/Modelica/ExternalMedia/package.mo
index ee135e3c..9ecf483d 100644
--- a/Modelica/ExternalMedia/package.mo
+++ b/Modelica/ExternalMedia/package.mo
@@ -4,8 +4,8 @@ package ExternalMedia
   import SI = Modelica.Units.SI;
 
   annotation(uses(Modelica(version="4.1.0")),
-             version="4.1.0",
-             conversion(noneFromVersion="4.0.0"),
+             version="4.1.1",
+             conversion(noneFromVersion="4.1.0", noneFromVersion="4.0.0"),
   Documentation(info="<html>
 <p>The <b>ExternalMedia</b> library provides a framework for interfacing external codes computing fluid properties to Modelica.Media-compatible component models. The library has been designed with two main goals: maximizing the efficiency of the code, while minimizing the amount of extra code required to interface existing external codes to the library.</p>
 <p>The library covers pure fluids models, possibly two-phase, compliant with the <a href=\"modelica://Modelica.Media.Interfaces.PartialTwoPhaseMedium\">Modelica.Media.Interfaces.PartialTwoPhaseMedium</a> interface. </p>
diff --git a/Projects/CMakeLists.txt b/Projects/CMakeLists.txt
index b01d1681..b0e8bb44 100644
--- a/Projects/CMakeLists.txt
+++ b/Projects/CMakeLists.txt
@@ -17,9 +17,9 @@ if(APPLE)
 endif()
 
 # Project version
-set (VERSION_MAJOR 3)
-set (VERSION_MINOR 3)
-set (VERSION_PATCH 2)
+set (VERSION_MAJOR 4)
+set (VERSION_MINOR 1)
+set (VERSION_PATCH 1)
 set (APP_VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
 message (STATUS "ExternalMedia library version: ${APP_VERSION}")
 set (LIBRARY_NAME "ExternalMediaLib")
diff --git a/Projects/Doxyfile b/Projects/Doxyfile
index 5de4d3b6..5daaefb9 100644
--- a/Projects/Doxyfile
+++ b/Projects/Doxyfile
@@ -5,7 +5,7 @@
 #---------------------------------------------------------------------------
 DOXYFILE_ENCODING      = UTF-8
 PROJECT_NAME           = ExternalMedia
-PROJECT_NUMBER         = 4.1.0
+PROJECT_NUMBER         = 4.1.1
 PROJECT_BRIEF          = "A framework for Modelica.Media-compatible fluid properties"
 PROJECT_LOGO           = 
 OUTPUT_DIRECTORY       = Documentation
diff --git a/README.md b/README.md
index 604ee3ec..2e85e113 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,8 @@ The latest releases of the library can be downloaded [here](https://github.com/m
 
 The ExternalMedia library provides a framework for interfacing external codes
 computing fluid properties to Modelica.Media-compatible component models. The
-latest 4.1.0 and 4.0.0 releases are compatible with Modelica Standard Library (MSL)
-4.1.0 and 4.0.0, while 3.3.x versions are provided for legacy models that still
+latest 4.1.x and 4.0.x releases are compatible with Modelica Standard Library (MSL)
+4.1.x and 4.0.x, while 3.3.x versions are provided for legacy models that still
 use MSL 3.2.3.
 
 The current version of the library supports pure and pseudo-pure fluids models,
diff --git a/README_changelog.md b/README_changelog.md
index cbc2efd7..6b4e67ca 100644
--- a/README_changelog.md
+++ b/README_changelog.md
@@ -1,30 +1,35 @@
 # ExternalMedia Change Log
 
+## v4.1.1 - 2025/10/30
+- Uses Modelica Standard Library 4.1.0
+- CoolProp updated to v7.1.0
+- Added binaries for macOS ARM (M1/M2)
+
 ## v4.1.0 - 2025/08/01
- - Uses Modelica Standard Library 4.1.0
- - CoolProp updated to v6.5.0
- - Fixed issue with ModelicaError that causes OMEdit to crash when opening ExternalTwoPhaseMedium
+- Uses Modelica Standard Library 4.1.0
+- CoolProp updated to v6.5.0
+- Fixed issue with ModelicaError that causes OMEdit to crash when opening ExternalTwoPhaseMedium
 
 ## v4.0.0 - 2023/04/19
- - Compatible with Modelica Standard Library 4.0.0.
- - Works out of the box in Dymola and OpenModelica under Windows and Linux.
- - Uses dynamically linked libraries, no dependencies on specific compilers.
- - No need to compile the binaries yourself, no special installation procedure required.
- - CoolProp updated to v6.4.4 with some extra patches
+- Compatible with Modelica Standard Library 4.0.0.
+- Works out of the box in Dymola and OpenModelica under Windows and Linux.
+- Uses dynamically linked libraries, no dependencies on specific compilers.
+- No need to compile the binaries yourself, no special installation procedure required.
+- CoolProp updated to v6.4.4 with some extra patches
 
 ## v3.3.2 - 2023/04/19
- - Works out of the box in Dymola and OpenModelica under Windows and Linux.
- - Uses dynamically linked libraries, no dependencies on specific compilers.
- - No need to compile the binaries yourself, no special installation procedure required.
- - CoolProp updated to v6.4.4 with some extra patches
+- Works out of the box in Dymola and OpenModelica under Windows and Linux.
+- Uses dynamically linked libraries, no dependencies on specific compilers.
+- No need to compile the binaries yourself, no special installation procedure required.
+- CoolProp updated to v6.4.4 with some extra patches
 
 ## v3.3.1 - 2022/02/17
- - Updated CoolProp to v6.4.1.
- - Fixed problems with CoolProp interpolation tables.
- - Added more precompiled binaries.
- - Use git to retrieve the OpenModelica development environment.
+- Updated CoolProp to v6.4.1.
+- Fixed problems with CoolProp interpolation tables.
+- Added more precompiled binaries.
+- Use git to retrieve the OpenModelica development environment.
 
 ## v3.3.0 - 2021/05/05
- - The first release after a long period of inactivity.
- - Added precompiled binaries in subfolders.
- - Updated the documentation and restructured the help files.
+- The first release after a long period of inactivity.
+- Added precompiled binaries in subfolders.
+- Updated the documentation and restructured the help files.