ERGO-Code · galabovaa · Oct 10, 2025 · Jul 17, 2025 · Oct 3, 2025 · Oct 7, 2025
diff --git a/.github/workflows/build-nuget-package.yml b/.github/workflows/build-nuget-package.yml
@@ -7,12 +7,9 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  # macos 13 is Intel
-  build_macos_13:
-    runs-on: macos-13
-    # strategy:
-      # matrix:
-      #   python: [3.11]
+  # Build macos intel
+  build_macos_intel:
+    runs-on: macos-15-intel
     steps:
       - uses: actions/checkout@v4
       - name: Build HiGHS
@@ -32,9 +29,9 @@ jobs:
           name: macos-x64
           path: ${{runner.workspace}}/build/dotnet/Highs.Native/runtimes
 
-  # macos 14 is M1
-  build_macos_14:
-    runs-on: macos-14 
+  # Build macos arm64
+  build_macos_arm:
+    runs-on: macos-14  # macos-14 is arm64
     steps:
       - uses: actions/checkout@v4
       - name: Build HiGHS
@@ -126,7 +123,7 @@ jobs:
 
   build_windows:
     runs-on: windows-latest
-    needs: [build_macos_13, build_macos_14, build_windows_32, build_linux, build_linux_arm64]
+    needs: [build_macos_intel, build_macos_arm, build_windows_32, build_linux, build_linux_arm64]
     steps:
       - uses: actions/checkout@v4
       - name: Build HiGHS Windows native

diff --git a/.github/workflows/build-python-package.yml b/.github/workflows/build-python-package.yml
@@ -132,9 +132,8 @@ jobs:
           python3 -m pip install pytest
           python3 -m pytest $GITHUB_WORKSPACE
 
-  # macos 13 is Intel
-  build_wheel_macos_13:
-    runs-on: macos-13
+  build_wheel_macos_intel:
+    runs-on: macos-15-intel
     strategy:
       matrix:
         python: [3.11]    
@@ -163,9 +162,8 @@ jobs:
           python3 -m pip install pytest
           python3 -m pytest $GITHUB_WORKSPACE
 
-  # macos 14 is M1
-  build_wheel_macos_14:
-    runs-on: macos-14 
+  build_wheel_macos_arm:
+    runs-on: macos-14  # macos-14 is arm64
     strategy:
       matrix:
         python: [3.11]    

diff --git a/.github/workflows/build-wheels-push.yml b/.github/workflows/build-wheels-push.yml
@@ -49,7 +49,7 @@ jobs:
           - [ubuntu-24.04, musllinux_x86_64] # No OpenBlas, no test
           - [ubuntu-24.04, musllinux_i686]
           - [ubuntu-24.04-arm, musllinux_aarch64]
-          - [macos-13, macosx_x86_64]
+          - [macos-15-intel, macosx_x86_64]
           - [macos-14, macosx_arm64]
           - [windows-2022, win_amd64]
           - [windows-2022, win32]

diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
@@ -38,7 +38,7 @@ jobs:
           - [ubuntu-24.04, musllinux_x86_64] # No OpenBlas, no test
           - [ubuntu-24.04, musllinux_i686]
           - [ubuntu-24.04-arm, musllinux_aarch64]
-          - [macos-13, macosx_x86_64]
+          - [macos-15-intel, macosx_x86_64]
           - [macos-14, macosx_arm64]
           - [windows-2022, win_amd64]
           - [windows-2022, win32]

diff --git a/.github/workflows/test-fortran-macos.yml b/.github/workflows/test-fortran-macos.yml
@@ -4,17 +4,17 @@ on: [push, pull_request]
 
 jobs:
   fast_build_release:
-    runs-on: [macos-13]
+    runs-on: [macos-15-intel]
 
 
     steps:
       - uses: actions/checkout@v4
 
-      - uses: fortran-lang/setup-fortran@v1.6
+      - uses: fortran-lang/setup-fortran@v1.8
         id: setup-fortran
         with:
           compiler: gcc 
-          version: 11
+          version: 14
 
       # - name: Install GFortran
       #   run: brew install gfortran gcc
@@ -27,8 +27,8 @@ jobs:
         working-directory: ${{runner.workspace}}/build
         run: |
           cmake --version
-          gfortran-11 --version
-          cmake $GITHUB_WORKSPACE -DFORTRAN=ON 
+          gfortran-14 --version
+          cmake $GITHUB_WORKSPACE -DFORTRAN=ON -DCMAKE_Fortran_COMPILER=gfortran-14
 
       - name: Build
         shell: bash

diff --git a/.github/workflows/test-nuget-macos.yml b/.github/workflows/test-nuget-macos.yml
@@ -7,9 +7,8 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  # macos 13 is Intel
-  build_macos_13:
-    runs-on: macos-13
+  build_macos_intel:
+    runs-on: macos-15-intel
     # strategy:
       # matrix:
       #   python: [3.11]
@@ -55,9 +54,8 @@ jobs:
           dotnet run
 
 
-  # macos 14 is M1
-  build_macos_14:
-    runs-on: macos-14 
+  build_macos_arm:
+    runs-on: macos-14  # macos-14 is arm64
     steps:
       - uses: actions/checkout@v4
       - name: Build HiGHS

diff --git a/.github/workflows/test-nuget-package.yml b/.github/workflows/test-nuget-package.yml
@@ -7,9 +7,8 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  # macos 13 is Intel
-  build_macos_13:
-    runs-on: macos-13
+  build_macos_intel:
+    runs-on: macos-15-intel
     # strategy:
       # matrix:
       #   python: [3.11]
@@ -56,9 +55,8 @@ jobs:
 
 
 
-  # macos 14 is M1
-  build_macos_14:
-    runs-on: macos-14 
+  build_macos_arm:
+    runs-on: macos-14  # macos-14 is arm64
     steps:
       - uses: actions/checkout@v4
       - name: Build HiGHS

diff --git a/README.md b/README.md
@@ -84,7 +84,7 @@ As an alternative, HiGHS can be installed using the `meson` build interface:
 meson setup bbdir -Dwith_tests=True
 meson test -C bbdir
 ```
-_The meson build files are provided by the community and are not officially supported by the HiGHS development team._
+_The meson build files are provided by the community and are not officially supported by the HiGHS development team._ **If you use this method and encounter issues, please consider contributing fixes or updates by checking the [HiGHS Contribution Guide](https://github.com/ERGO-Code/HiGHS/blob/master/CONTRIBUTING.md).**
 
 #### Build with Nix
 

diff --git a/docs/src/interfaces/other.md b/docs/src/interfaces/other.md
@@ -24,7 +24,9 @@ including [pre-build libraries](https://github.com/coin-or/GAMSlinks/releases).
 
 ## MATLAB
 
-* [HiGHSMEX](https://github.com/savyasachi/HiGHSMEX) is a MATLAB interface for Windows to provide all the functionality of HiGHS, except the following: Reading problem data from a model file; Setting names for the rows and columns of the model, or setting name for the objective; Advanced features such as solution of systems using the current basis matrix.
+* [HiGHSMEX](https://github.com/savyasachi/HiGHSMEX) is a MATLAB interface that provides all the functionality of HiGHS, except the following: Reading problem data from a model file; Setting names for the rows and columns of the model, or setting name for the objective; Advanced features such as solution of systems using the current basis matrix.
+
+  The interface is avalailable for Windows, MacOS and Linux, and has been tested on Windows and MacOS. Pre-built binaries (mex files) for Windows and MacOS are available in the repository, which also includes instructions for building from source in [README.md](https://github.com/savyasachi/HiGHSMEX/blob/main/README.md).
 
 * The HiGHS MIP and dual simplex LP solvers have been used _within_ MATLAB (so for all architectures) by default since release 2024a.