OpenFAST · deslaughter · Aug 14, 2025 · May 1, 2025 · May 6, 2025 · May 6, 2025
diff --git a/.github/scripts/windows_devenv_test.bat b/.github/scripts/windows_devenv_test.bat
@@ -0,0 +1,13 @@
+@REM Check if devenv actually works 
+for /f "usebackq tokens=1* delims=: " %%i in (`"C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe" -latest`) do (
+  if /i "%%i"=="productPath" set devenv=%%j
+)
+
+@REM above command finds devenv.exe, but that opens the VS instance.  We need the devenv.com version
+set devenv=%devenv:devenv.exe=devenv.com%
+
+echo Using Visual Studio: %devenv%
+
+"%devenv%" /?
+
+exit /b %ERRORLEVEL%
diff --git a/.github/workflows/automated-dev-tests.yml b/.github/workflows/automated-dev-tests.yml
diff --git a/.github/workflows/conda-deploy.yml b/.github/workflows/conda-deploy.yml
@@ -15,7 +15,7 @@ on:
 jobs:
   update-dev:
     if: github.repository_owner == 'OpenFAST'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       # - name: Echo path
       #   run: |

diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
@@ -145,6 +145,10 @@ jobs:
           submodules: true
           fetch-depth: 0
 
+      - name: Test devenv actually works
+        shell: cmd
+        run: .github/scripts/windows_devenv_test.bat
+
       - name: Install Intel oneAPI BaseKit (Windows)
         shell: cmd
         env:

diff --git a/.gitignore b/.gitignore
@@ -28,6 +28,7 @@
 *.out
 *.app
 __pycache__/*
+__init__.py
 *.pyc
 *.egg-info
 
@@ -62,4 +63,4 @@ varcache
 
 # Python cache files
 openfast_io/dist/
-openfast_io/openfast_io/_version.py
+openfast_io/openfast_io/_version.py
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -142,7 +142,7 @@ if (USE_LOCAL_STATIC_LAPACK)
   set(LAPACK_LIB_PATH ${CMAKE_BINARY_DIR}/dependencies/src/lapack-build/lib/${CMAKE_STATIC_LIBRARY_PREFIX}lapack${CMAKE_STATIC_LIBRARY_SUFFIX})
   include(ExternalProject)
   ExternalProject_Add(lapack
-    URL http://www.netlib.org/lapack/lapack.tgz
+    URL https://github.com/Reference-LAPACK/lapack/archive/refs/tags/v3.12.1.tar.gz
     CMAKE_ARGS 
       -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_SOURCE_DIR}/install 
       -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON

diff --git a/README.rst b/README.rst
@@ -25,6 +25,18 @@ tag.
 
 **OpenFAST is under active development**.
 
+
+
+Part of the WETO Stack
+----------------------
+
+OpenFAST is primarily developed with the support of the U.S. Department of Energy and is part of the `WETO Software Stack <https://nrel.github.io/WETOStack>`_. For more information and other integrated modeling software, see:
+
+* `Portfolio Overview <https://nrel.github.io/WETOStack/portfolio_analysis/overview.html>`_
+* `Entry Guide <https://nrel.github.io/WETOStack/_static/entry_guide/index.html>`_
+* `OpenFAST Workshop <https://nrel.github.io/WETOStack/workshops/user_workshops_2024.html#openfast-ecosystem>`_
+
+
 FAST v8 - OpenFAST
 ------------------
 The transition from FAST v8 to OpenFAST represents the effort to better

diff --git a/docs/OtherSupporting/OutListParameters.xlsx b/docs/OtherSupporting/OutListParameters.xlsx
diff --git a/docs/changelogs/ReleaseProcess.md b/docs/changelogs/ReleaseProcess.md
@@ -13,6 +13,7 @@
 3. Update the versions in docs/source/user/api_change.rst
 4. Verify readthedocs builds correctly
 5. Update `openfast_io/pyproject.toml`
+6. Update `glue-codes/python/pyproject.toml` (for `pyOpenFAST`)
 
 ****
 
@@ -45,7 +46,7 @@ After posting and tagging release
    git update-index --assume-unchanged vs-build/MAPlib/MAP_dll.vcxproj vs-uild/Registry/FAST_Registry.vcxproj
    ```
 
-4. Compile executables for Windows builds
+4. Compile executables for Windows builds (manual process - use GH actions `deploy` if possible)
    * Run one of the executables and check the version info. Muck about with VS if there is an issue.
    * Also run `dumpbin.exe /dependents <exe>.exe` to check static linking
    * NOTE: build the simulink last -- it messes up some things otherwise
@@ -71,6 +72,7 @@ After posting and tagging release
     - [ ] `OpenFAST-Simulink_x64.dll` -- change `additional dependencies` in the `OpenFAST-Simulink` project in `FAST` to point to correct install of MATLAB
     - [ ] `openfast_x64.exe`
     - [ ] `SeaStateDriver_x64.exe`
+    - [ ] `SeaState_c_binding_x64.dll`
     - [ ] `SimpleElastoDyn_x64.exe`
     - [ ] `SubDyn_x64.exe`
     - [ ] `Turbsim_x64.exe`
@@ -82,6 +84,6 @@ After posting and tagging release
    ```
 ## Post-release
 ### Docker Image push to ghcr.io
-1. Build latest `OpenFAST/main` image locally.
+1. Build latest `OpenFAST/main` image locally (GH actions fails due to memory usage)
 2. Push image to ghcr.io/openfast/openfast using tags `latest` and `<version>`
 
diff --git a/docs/changelogs/v4.0.4.md b/docs/changelogs/v4.0.4.md
@@ -0,0 +1,94 @@
+**Feature or improvement description**
+Pull request to merge `rc-4.0.4` into `main` and create a tagged release for v4.0.4
+
+See the milestone and project pages for additional information
+
+    https://github.com/OpenFAST/openfast/milestone/20
+
+Test results, if applicable
+See GitHub Actions
+
+### Release checklist:
+- [ ] Update the documentation version in docs/conf.py
+- [ ] Update the versions in docs/source/user/api\_change.rst
+- [ ] Update version info in openfast\_io/pyproject.toml
+- [ ] Verify readthedocs builds correctly
+- [ ] Create an annotated tag in OpenFAST during merge (mark as most recent if necessary)
+- [ ] Create a merge commit in r-test and add a corresponding annotated tag
+- [ ] Upload Docker image
+- [ ] Compile executables for Windows builds
+    - [ ] `AeroDisk_Driver_x64.exe`
+    - [ ] `AeroDyn_Driver_x64.exe`
+    - [ ] `AeroDyn_Driver_x64_OpenMP.exe`
+    - [ ] `AeroDyn_Inflow_c_binding_x64.dll`
+    - [ ] `AeroDyn_Inflow_c_binding_x64_OpenMP.dll`
+    - [ ] `BeamDyn_Driver_x64.exe`
+    - [ ] `DISCON.dll (x64)`
+    - [ ] `DISCON_ITIBarge.dll (x64)`
+    - [ ] `DISCON_OC3Hywind.dll (x64)`
+    - [ ] `DISCON_SC.dll (x64)`
+    - [ ] `FAST.Farm_x64.exe`
+    - [ ] `FAST.Farm_x64_OMP.exe`
+    - [ ] `FAST_SFunc.mexw64`
+    - [ ] `HydroDynDriver_x64.exe`
+    - [ ] `HydroDyn_C_Binding_x64.dll`
+    - [ ] `IinflowWind_c_binding_x64.dll`
+    - [ ] `InflowWind_Driver_x64.exe`
+    - [ ] `InflowWind_Driver_x64_OpenMP.exe`
+    - [ ] `MoorDyn_Driver_x64.exe`
+    - [ ] `MoorDyn_c_binding_x64.dll`
+    - [ ] `OpenFAST-Simulink_x64.dll`
+    - [ ] `openfast_x64.exe`
+    - [ ] `SeaStateDriver_x64.exe`
+    - [ ] `SimpleElastoDyn_x64.exe`
+    - [ ] `SubDyn_x64.exe`
+    - [ ] `Turbsim_x64.exe`
+    - [ ] `UnsteadyAero_x64.exe`
+
+# Changelog
+
+## Overview
+
+This release includes several bug fixes and improvements for _OpenFAST_, GitHub actions, and _openfast\_io_.
+
+## General
+
+### CMake build system
+
+### GitHub actions
+
+#2778 Backport of GitHub Action to build windows executables on release (@deslaughter) -- backport of #2636
+
+
+### openfast_io
+
+#2779 MD: Backport of PR #2658 -- openfast\_IO MoorDyn compatibility (@RyanDavies19)
+
+#2777 bug fix #2762 (@mayankchetan)
+
+#2658 openfast\_IO MoorDyn compatibilityModule (@RyanDavies19)
+
+
+
+## Solvers
+
+### Simulink
+
+#2785 Avoid ending program when called as a shared library (@bjonkman) -- backport of #2671
+
+
+
+## Module changes
+
+### OpenFAST library
+
+#2780 backport of #2760: bug-fix: Adjust steady-state solver small angle assumptions (@bjonkman)
+
+#2776 Fix FAST\_ExtInfw\_Restart APIC++ API (@marchdf)
+
+
+
+## Input file changes
+
+No input file changes since v4.0.0
+
diff --git a/docs/changelogs/v4.0.5.md b/docs/changelogs/v4.0.5.md
@@ -0,0 +1,116 @@
+**Feature or improvement description**
+Pull request to merge `rc-4.0.5` into `main` and create a tagged release for v4.0.5
+
+See the milestone and project pages for additional information
+
+    https://github.com/OpenFAST/openfast/milestone/22
+
+Test results, if applicable
+See GitHub Actions
+
+### Release checklist:
+- [ ] Update the documentation version in docs/conf.py
+- [ ] Update the versions in docs/source/user/api\_change.rst
+- [ ] Update version info in openfast\_io/pyproject.toml
+- [ ] Verify readthedocs builds correctly
+- [ ] Create an annotated tag in OpenFAST during merge (mark as most recent if necessary)
+- [ ] Create a merge commit in r-test and add a corresponding annotated tag
+- [ ] Upload Docker image
+- [ ] Compile executables for Windows builds
+    - [ ] `AeroDisk_Driver_x64.exe`
+    - [ ] `AeroDyn_Driver_x64.exe`
+    - [ ] `AeroDyn_Driver_x64_OpenMP.exe`
+    - [ ] `AeroDyn_Inflow_c_binding_x64.dll`
+    - [ ] `AeroDyn_Inflow_c_binding_x64_OpenMP.dll`
+    - [ ] `BeamDyn_Driver_x64.exe`
+    - [ ] `DISCON.dll (x64)`
+    - [ ] `DISCON_ITIBarge.dll (x64)`
+    - [ ] `DISCON_OC3Hywind.dll (x64)`
+    - [ ] `DISCON_SC.dll (x64)`
+    - [ ] `FAST.Farm_x64.exe`
+    - [ ] `FAST.Farm_x64_OMP.exe`
+    - [ ] `FAST_SFunc.mexw64`
+    - [ ] `HydroDynDriver_x64.exe`
+    - [ ] `HydroDyn_C_Binding_x64.dll`
+    - [ ] `IinflowWind_c_binding_x64.dll`
+    - [ ] `InflowWind_Driver_x64.exe`
+    - [ ] `InflowWind_Driver_x64_OpenMP.exe`
+    - [ ] `MoorDyn_Driver_x64.exe`
+    - [ ] `MoorDyn_c_binding_x64.dll`
+    - [ ] `OpenFAST-Simulink_x64.dll`
+    - [ ] `openfast_x64.exe`
+    - [ ] `SeaStateDriver_x64.exe`
+    - [ ] `SimpleElastoDyn_x64.exe`
+    - [ ] `SubDyn_x64.exe`
+    - [ ] `Turbsim_x64.exe`
+    - [ ] `UnsteadyAero_x64.exe`
+
+# Changelog
+
+## Overview
+
+This release includes several bug fixes and improvements for _OpenFAST_, GitHub actions, and _openfast\_io_.
+
+## General
+
+### CMake build system
+
+### GitHub actions
+
+#2825 Simplify GitHub Action for regression tests (backport from dev-tc) (@deslaughter)
+
+
+### openfast_io
+
+#2828 updated outlist reading in openfast\_io (@mayankchetan)
+
+#2818 OpenFAST IO updates: MoorDyn and StC (@dzalkind)
+
+
+
+## Solvers
+
+### OpenFAST
+
+#2831 [BugFix] WrVTK with VTK\_fps fails (@andrew-platt)
+
+
+## Interfaces
+
+### cpp interface
+
+#2792 Fix openfastcpp restart parsing of file name (@marchdf)
+
+#2804 Add a checkError in openfast cpp (@marchdf)
+
+#2815 Fix restart parsing of file name (backport of #2792 and #2793) (@marchdf)
+
+
+## Module changes
+
+### AeroDyn
+
+#2853 Backport #2848 (@bjonkman)
+
+
+### BeamDyn
+
+#2811 BD: new output - aero only loads mapped to the root (@andrew-platt)
+
+
+### IceFlow
+
+#2855 Fix Typo in "interpolation" in Ice Crushing Modules (@leopardracer)
+
+
+### SubDyn
+
+#2821 bugfix: SD maximum number of output channels was incorrectly set (@andrew-platt)
+
+
+## Input file changes
+
+No input file changes since v4.0.0
+
+#2829 FF: typo in SeaState names in `MD_Shared` .fst files - this is not an API change (@andrew-platt)
+