diff --git a/tools/MINGW-packages/mingw-w64-imath/0001-cmake-libs-name.patch b/tools/MINGW-packages/mingw-w64-imath/0001-cmake-libs-name.patch
index 1b09a8ddd..ab0751f48 100644
--- a/tools/MINGW-packages/mingw-w64-imath/0001-cmake-libs-name.patch
+++ b/tools/MINGW-packages/mingw-w64-imath/0001-cmake-libs-name.patch
@@ -1,22 +1,58 @@
 --- a/config/Imath.pc.in
 +++ b/config/Imath.pc.in
-@@ -13,5 +13,5 @@
+@@ -7,11 +7,11 @@
+ exec_prefix=${prefix}
+ libdir=@PKG_CONFIG_INSTALL_LIBDIR@
+ includedir=@PKG_CONFIG_INSTALL_INCLUDEDIR@
+-libsuffix=@LIB_SUFFIX_DASH@
++
+ Name: Imath
+ Description: Imath library: vector/matrix and math operations, plus the half type.
  Version: @IMATH_VERSION@
  Requires:
  Conflicts:
 -Libs: -L${libdir} -lImath${libsuffix}
 +Libs: -L${libdir} -lImath
  Cflags: -I${includedir} -I${includedir}/Imath
---- a/config/LibraryDefine.cmake
-+++ b/config/LibraryDefine.cmake
-@@ -79,7 +79,9 @@
-   endif()
++++ b/src/Imath/CMakeLists.txt
+--- a/src/Imath/CMakeLists.txt
+@@ -146,7 +146,8 @@
+       COMMENT "Copying resource files to Imath.framework/Resources in build directory"
+     )
+ else()
+-    set_target_properties(${IMATH_LIBRARY} PROPERTIES OUTPUT_NAME "Imath${IMATH_LIB_SUFFIX}" )
++    set_target_properties(${IMATH_LIBRARY} PROPERTIES OUTPUT_NAME "Imath"
++                                                      RUNTIME_OUTPUT_NAME "Imath${IMATH_LIB_SUFFIX}" )
+ endif()
+   
+ #
+--- a/src/python/PyImath/CMakeLists.txt
++++ b/src/python/PyImath/CMakeLists.txt
+@@ -123,7 +123,8 @@
+     MACOSX_RPATH TRUE)
+ else()
+   set_target_properties(${PYIMATH_LIBRARY} PROPERTIES
+-    OUTPUT_NAME "${PYIMATH_LIBRARY}${PYIMATH_LIB_SUFFIX}"
++    OUTPUT_NAME "${PYIMATH_LIBRARY}_Python${Python3_VERSION_MAJOR}_${Python3_VERSION_MINOR}"
++    RUNTIME_OUTPUT_NAME "${PYIMATH_LIBRARY}${PYIMATH_LIB_SUFFIX}"
+     SOVERSION ${IMATH_LIB_SOVERSION}
+     VERSION ${IMATH_LIB_VERSION}
+     POSITION_INDEPENDENT_CODE ON
+--- a/src/python/PyImath/PyImath.pc.in
++++ b/src/python/PyImath/PyImath.pc.in
+@@ -7,8 +7,6 @@
+ exec_prefix=@exec_prefix@
+ libdir=@libdir@
+ includedir=@includedir@
+-libsuffix=@lib_suffix@
+-pylibsuffix=@pylib_suffix@
  
-   set_target_properties(${libname} PROPERTIES
--      OUTPUT_NAME "${libname}${IMATH_LIB_SUFFIX}"
-+      OUTPUT_NAME "${libname}"
-+      RUNTIME_OUTPUT_NAME "${libname}${IMATH_LIB_SUFFIX}"
-+      ARCHIVE_OUTPUT_NAME "${libname}"
-       RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
-   )
-   add_library(${PROJECT_NAME}::${libname} ALIAS ${libname})
+ boost_includedir=@Boost_INCLUDE_DIRS@
+ boost_libdir=@boost_libdir@
+@@ -21,5 +19,5 @@
+ Name: PyImath
+ Description: Python wrappings of Imath classes/functions
+ Version: @IMATH_VERSION@
+-Libs: -L${libdir} -lImath${libsuffix} -lPyImath${pylibsuffix} -L${boost_libdir} -l${boost_libname} -L${python_libdir} -l${python_libname}
++Libs: -L${libdir} -lImath -lPyImath_Python@Python3_VERSION_MAJOR@_@Python3_VERSION_MINOR@ -L${boost_libdir} -l${boost_libname} -L${python_libdir} -l${python_libname}
+ Cflags: -I${includedir} -I${includedir}/@IMATH_OUTPUT_SUBDIR@ -I${includedir}/@PYIMATH_OUTPUT_SUBDIR@ -I${boost_includedir} -I${python_includedir} 
diff --git a/tools/MINGW-packages/mingw-w64-imath/0002-fix-openexr-clang-build.patch b/tools/MINGW-packages/mingw-w64-imath/0002-fix-openexr-clang-build.patch
index 576220ab3..ab0751f48 100644
--- a/tools/MINGW-packages/mingw-w64-imath/0002-fix-openexr-clang-build.patch
+++ b/tools/MINGW-packages/mingw-w64-imath/0002-fix-openexr-clang-build.patch
@@ -1,20 +1,58 @@
---- a/src/Imath/ImathVec.h
-+++ b/src/Imath/ImathVec.h
-@@ -873,7 +873,7 @@
- //----------------------------------------------------------------------------
+--- a/config/Imath.pc.in
++++ b/config/Imath.pc.in
+@@ -7,11 +7,11 @@
+ exec_prefix=${prefix}
+ libdir=@PKG_CONFIG_INSTALL_LIBDIR@
+ includedir=@PKG_CONFIG_INSTALL_INCLUDEDIR@
+-libsuffix=@LIB_SUFFIX_DASH@
++
+ Name: Imath
+ Description: Imath library: vector/matrix and math operations, plus the half type.
+ Version: @IMATH_VERSION@
+ Requires:
+ Conflicts:
+-Libs: -L${libdir} -lImath${libsuffix}
++Libs: -L${libdir} -lImath
+ Cflags: -I${includedir} -I${includedir}/Imath
++++ b/src/Imath/CMakeLists.txt
+--- a/src/Imath/CMakeLists.txt
+@@ -146,7 +146,8 @@
+       COMMENT "Copying resource files to Imath.framework/Resources in build directory"
+     )
+ else()
+-    set_target_properties(${IMATH_LIBRARY} PROPERTIES OUTPUT_NAME "Imath${IMATH_LIB_SUFFIX}" )
++    set_target_properties(${IMATH_LIBRARY} PROPERTIES OUTPUT_NAME "Imath"
++                                                      RUNTIME_OUTPUT_NAME "Imath${IMATH_LIB_SUFFIX}" )
+ endif()
+   
+ #
+--- a/src/python/PyImath/CMakeLists.txt
++++ b/src/python/PyImath/CMakeLists.txt
+@@ -123,7 +123,8 @@
+     MACOSX_RPATH TRUE)
+ else()
+   set_target_properties(${PYIMATH_LIBRARY} PROPERTIES
+-    OUTPUT_NAME "${PYIMATH_LIBRARY}${PYIMATH_LIB_SUFFIX}"
++    OUTPUT_NAME "${PYIMATH_LIBRARY}_Python${Python3_VERSION_MAJOR}_${Python3_VERSION_MINOR}"
++    RUNTIME_OUTPUT_NAME "${PYIMATH_LIBRARY}${PYIMATH_LIB_SUFFIX}"
+     SOVERSION ${IMATH_LIB_SOVERSION}
+     VERSION ${IMATH_LIB_VERSION}
+     POSITION_INDEPENDENT_CODE ON
+--- a/src/python/PyImath/PyImath.pc.in
++++ b/src/python/PyImath/PyImath.pc.in
+@@ -7,8 +7,6 @@
+ exec_prefix=@exec_prefix@
+ libdir=@libdir@
+ includedir=@includedir@
+-libsuffix=@lib_suffix@
+-pylibsuffix=@pylib_suffix@
  
- /// @cond Doxygen_Suppress
--
-+/*
- // Vec2<short>
- template <> IMATH_HOSTDEVICE short Vec2<short>::length() const IMATH_NOEXCEPT = delete;
- template <> IMATH_HOSTDEVICE const Vec2<short>& Vec2<short>::normalize() IMATH_NOEXCEPT = delete;
-@@ -954,7 +954,7 @@
- template <> IMATH_HOSTDEVICE Vec4<int64_t> Vec4<int64_t>::normalized() const IMATH_NOEXCEPT = delete;
- template <> Vec4<int64_t> Vec4<int64_t>::normalizedExc() const = delete;
- template <> IMATH_HOSTDEVICE Vec4<int64_t> Vec4<int64_t>::normalizedNonNull() const IMATH_NOEXCEPT = delete;
--
-+*/
- /// @endcond Doxygen_Suppress
- 
- //------------------------
+ boost_includedir=@Boost_INCLUDE_DIRS@
+ boost_libdir=@boost_libdir@
+@@ -21,5 +19,5 @@
+ Name: PyImath
+ Description: Python wrappings of Imath classes/functions
+ Version: @IMATH_VERSION@
+-Libs: -L${libdir} -lImath${libsuffix} -lPyImath${pylibsuffix} -L${boost_libdir} -l${boost_libname} -L${python_libdir} -l${python_libname}
++Libs: -L${libdir} -lImath -lPyImath_Python@Python3_VERSION_MAJOR@_@Python3_VERSION_MINOR@ -L${boost_libdir} -l${boost_libname} -L${python_libdir} -l${python_libname}
+ Cflags: -I${includedir} -I${includedir}/@IMATH_OUTPUT_SUBDIR@ -I${includedir}/@PYIMATH_OUTPUT_SUBDIR@ -I${boost_includedir} -I${python_includedir} 
diff --git a/tools/MINGW-packages/mingw-w64-imath/PKGBUILD b/tools/MINGW-packages/mingw-w64-imath/PKGBUILD
index e99bbbc79..96763fc91 100644
--- a/tools/MINGW-packages/mingw-w64-imath/PKGBUILD
+++ b/tools/MINGW-packages/mingw-w64-imath/PKGBUILD
@@ -3,7 +3,7 @@
 _realname=imath
 pkgbase=mingw-w64-natron_${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-natron_${_realname}")
-pkgver=3.1.12
+pkgver=3.2.2
 pkgrel=99.1
 pkgdesc='A C++ and python library of 2D and 3D vector, matrix, and math operations for computer graphics (mingw-w64)'
 url='https://www.openexr.com/'
@@ -19,23 +19,20 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-python-numpy")
 optdepends=("${MINGW_PACKAGE_PREFIX}-python: python bindings"
             "${MINGW_PACKAGE_PREFIX}-boost: python bindings")
-source=("https://github.com/AcademySoftwareFoundation/Imath/archive/v${pkgver}/${_realname}-${pkgver}.tar.gz"
+source=("https://github.com/AcademySoftwareFoundation/Imath/releases/download/v${pkgver}/Imath-${pkgver}.tar.gz"
         0001-cmake-libs-name.patch
         0002-fix-openexr-clang-build.patch)
-sha256sums=('8a1bc258f3149b5729c2f4f8ffd337c0e57f09096e4ba9784329f40c4a9035da'
-            '2dc2de52e2475cc9d725ff443466d3ac247a405018f1d9b0caeb03a9d5116d9b'
-            '0eea3c7b57d5b59887f963d696c2afdcfb1976a3913f161995e19b13d6a65086')
+sha256sums=('0f5a783b424f374e6f27ec8b0c73130e89b08814ac8fa2e84fd7fe0b05862c53'
+            '5a70997f2d34eba47210ac93f67b2037ca61c5c967a4a1f00a479d1c5eda490f'
+            '09b9b180f7a59490d164ef3288fa1f5e5f14f99185cb412fb88d35364690ff6d')
 
 prepare() {
   cd "Imath-${pkgver}"
   patch -p1 -i "${srcdir}/0001-cmake-libs-name.patch"
-  if [[ ${MINGW_PACKAGE_PREFIX} == *-clang-* ]]; then
-    patch -p1 -i "${srcdir}/0002-fix-openexr-clang-build.patch"
-  fi
+  patch -p1 -i "${srcdir}/0002-fix-openexr-clang-build.patch"
 }
 
 build() {
-  mkdir -p "${srcdir}/build-${MSYSTEM}" && cd "${srcdir}/build-${MSYSTEM}"
 
   declare -a _extra_config
   if check_option "debug" "n"; then
@@ -50,28 +47,31 @@ build() {
   fi
 
   MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
-  ${MINGW_PREFIX}/bin/cmake.exe \
-    -G "Ninja" \
+  cmake \
+    -GNinja \
     "${_extra_config[@]}" \
     -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
     -DBUILD_SHARED_LIBS=ON \
     -DBUILD_TESTING=OFF \
-    -DPython_EXECUTABLE=${MINGW_PREFIX}/bin/python.exe \
     -DPython3_EXECUTABLE=${MINGW_PREFIX}/bin/python.exe \
-    -DIMATH_INSTALL_PKG_CONFIG=ON \
-    ../Imath-${pkgver}
+    -S "Imath-${pkgver}" \
+    -B "build-${MSYSTEM}"
 
-  ${MINGW_PREFIX}/bin/cmake.exe --build .
+  cmake --build "build-${MSYSTEM}"
 }
 
 package() {
-  cd "${srcdir}/build-${MSYSTEM}"
-  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake.exe --install ./
+  DESTDIR="${pkgdir}" cmake --install "build-${MSYSTEM}"
 
   # Fix cmake files
   local PREFIX_WIN=$(cygpath -am ${MINGW_PREFIX})
   find "${pkgdir}${MINGW_PREFIX}/lib/cmake" -type f -name '*.cmake' \
       -exec sed -i -e "s|${PREFIX_WIN}|\$\{_IMPORT_PREFIX\}|g" {} \;
 
+  # Fix pkgconfig files
+  if [[ ${CARCH} != i686 ]]; then
+    sed -i -e "s|${PREFIX_WIN}|\$\{prefix\}|g" "${pkgdir}${MINGW_PREFIX}"/lib/pkgconfig/PyImath.pc
+  fi
+
   install -Dm644 "${srcdir}/Imath-${pkgver}/LICENSE.md" "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE.md"
 }
diff --git a/tools/MINGW-packages/mingw-w64-openexr/PKGBUILD b/tools/MINGW-packages/mingw-w64-openexr/PKGBUILD
index 1fff9cd4e..0a2fa3ce7 100644
--- a/tools/MINGW-packages/mingw-w64-openexr/PKGBUILD
+++ b/tools/MINGW-packages/mingw-w64-openexr/PKGBUILD
@@ -3,11 +3,11 @@
 _realname=openexr
 pkgbase=mingw-w64-natron_${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-natron_${_realname}")
-pkgver=3.3.2
+pkgver=3.4.4
 pkgrel=99.1
 pkgdesc='A high dynamic-range image file format library (mingw-w64)'
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clangarm64')
 url="https://www.openexr.com/"
 msys2_repository_url='https://github.com/AcademySoftwareFoundation/openexr'
 msys2_references=(
@@ -16,9 +16,11 @@ msys2_references=(
   "cpe: cpe:/a:openexr:openexr"
 )
 license=('spdx:BSD-3-Clause')
-depends=("${MINGW_PACKAGE_PREFIX}-natron_imath"
+depends=("${MINGW_PACKAGE_PREFIX}-cc-libs"
+         "${MINGW_PACKAGE_PREFIX}-natron_imath"
          "${MINGW_PACKAGE_PREFIX}-libdeflate"
-         "${MINGW_PACKAGE_PREFIX}-libwinpthread-git")
+         "${MINGW_PACKAGE_PREFIX}-libwinpthread-git"
+         "${MINGW_PACKAGE_PREFIX}-openjph")
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-cmake"
              "${MINGW_PACKAGE_PREFIX}-ninja")
@@ -34,7 +36,7 @@ replaces=(
 source=("https://github.com/openexr/openexr/archive/v${pkgver}/${_realname}-${pkgver}.tar.gz"
         0006-cmake-soversion.patch
         0007-export-TypedAttribute-value.patch)
-sha256sums=('5013e964de7399bff1dd328cbf65d239a989a7be53255092fa10b85a8715744d'
+sha256sums=('91fc5670f13fe7d9d3b7ae0fe695e3cc813200839084eae6497459e7f650d876'
             '5653da878ebbf5f3087bb529213931b48e151aef082b34e19d189e22be0411e7'
             '204777b48cde1c4d390789f10c5e429d5295be701f68a7937a90d0ecf271c048')
 
diff --git a/tools/MINGW-packages/windows_pacman_repo_version.txt b/tools/MINGW-packages/windows_pacman_repo_version.txt
index 6694db4ed..594cbf644 100644
--- a/tools/MINGW-packages/windows_pacman_repo_version.txt
+++ b/tools/MINGW-packages/windows_pacman_repo_version.txt
@@ -1 +1 @@
-20250524-1
+20251119-1