diff --git a/mingw-w64-glfw/PKGBUILD b/mingw-w64-glfw/PKGBUILD
index 949e8f1a4e..ec54216a0b 100644
--- a/mingw-w64-glfw/PKGBUILD
+++ b/mingw-w64-glfw/PKGBUILD
@@ -2,20 +2,18 @@
 
 _realname=glfw
 pkgbase=mingw-w64-${_realname}
-pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
+pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=3.3.6
-pkgrel=1
+pkgrel=2
 pkgdesc="A free, open source, portable framework for OpenGL application development (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
-url="https://www.glfw.org/"
-license=('custom:ZLIB')
-depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs")
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
+url='https://www.glfw.org/'
+license=('spdx:Zlib')
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-cmake"
              "${MINGW_PACKAGE_PREFIX}-ninja"
              "${MINGW_PACKAGE_PREFIX}-vulkan-headers")
-options=('strip' '!debug' 'staticlibs')
 source=("${_realname}-${pkgver}.tar.gz"::"https://github.com/glfw/glfw/archive/${pkgver}.tar.gz"
         001-3.2-cmake-suffix.patch)
 sha256sums=('ed07b90e334dcd39903e6288d90fa1ae0cf2d2119fec516cf743a0a404527c02'
@@ -35,8 +33,8 @@ build() {
   fi
 
   # Build shared libs
-  [[ -d "${srcdir}/shared-${MINGW_CHOST}" ]] && rm -rf "${srcdir}/shared-${MINGW_CHOST}"
-  mkdir -p "${srcdir}/shared-${MINGW_CHOST}" && cd "${srcdir}/shared-${MINGW_CHOST}"
+  [[ -d "${srcdir}/shared-${MSYSTEM}" ]] && rm -rf "${srcdir}/shared-${MSYSTEM}"
+  mkdir -p "${srcdir}/shared-${MSYSTEM}" && cd "${srcdir}/shared-${MSYSTEM}"
 
   MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
   ${MINGW_PREFIX}/bin/cmake.exe \
@@ -51,8 +49,8 @@ build() {
   ${MINGW_PREFIX}/bin/cmake.exe --build ./
 
   # Build static libs
-  [[ -d "${srcdir}/static-${MINGW_CHOST}" ]] && rm -rf "${srcdir}/static-${MINGW_CHOST}"
-  mkdir -p "${srcdir}/static-${MINGW_CHOST}" && cd "${srcdir}/static-${MINGW_CHOST}"
+  [[ -d "${srcdir}/static-${MSYSTEM}" ]] && rm -rf "${srcdir}/static-${MSYSTEM}"
+  mkdir -p "${srcdir}/static-${MSYSTEM}" && cd "${srcdir}/static-${MSYSTEM}"
 
   MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
   ${MINGW_PREFIX}/bin/cmake.exe \
@@ -68,12 +66,12 @@ build() {
 }
 
 package() {
-  cd "${srcdir}/static-${MINGW_CHOST}"
-  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake.exe --build ./ --target install
+  cd "${srcdir}/static-${MSYSTEM}"
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake.exe --install ./
 
-  cd "${srcdir}/shared-${MINGW_CHOST}"
-  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake.exe --build ./ --target install
+  cd "${srcdir}/shared-${MSYSTEM}"
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake.exe --install ./
 
   # License
-  install -Dm644 "${srcdir}/${_realname}-${pkgver}/LICENSE.md" "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE.md"
+  install -Dm644 "${srcdir}/${_realname}-${pkgver}/LICENSE.md" "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE"
 }
diff --git a/mingw-w64-glslang/PKGBUILD b/mingw-w64-glslang/PKGBUILD
index df6e3b9128..d9b108ab70 100644
--- a/mingw-w64-glslang/PKGBUILD
+++ b/mingw-w64-glslang/PKGBUILD
@@ -8,7 +8,7 @@ pkgver=11.8.0
 pkgrel=1
 pkgdesc='An OpenGL and OpenGL ES shader front end and validator (mingw-w64)'
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url='https://github.com/KhronosGroup/glslang'
 license=('BSD')
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs"
diff --git a/mingw-w64-libplacebo/PKGBUILD b/mingw-w64-libplacebo/PKGBUILD
index 53d59ab533..b4a88c0d03 100644
--- a/mingw-w64-libplacebo/PKGBUILD
+++ b/mingw-w64-libplacebo/PKGBUILD
@@ -7,7 +7,7 @@ pkgver=4.192.1
 pkgrel=1
 pkgdesc="Reusable library for GPU-accelerated video/image rendering primitives (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url="https://code.videolan.org/videolan/libplacebo"
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs"
          "${MINGW_PACKAGE_PREFIX}-glslang"
diff --git a/mingw-w64-libwebp/PKGBUILD b/mingw-w64-libwebp/PKGBUILD
index 0b01feff69..94cf0062b8 100644
--- a/mingw-w64-libwebp/PKGBUILD
+++ b/mingw-w64-libwebp/PKGBUILD
@@ -3,14 +3,14 @@
 
 _realname=libwebp
 pkgbase=mingw-w64-${_realname}
-pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
+pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=1.2.2
-pkgrel=1
-pkgdesc="the WebP library. Includes conversion tools (mingw-w64)"
+pkgrel=2
+pkgdesc="A library to encode and decode images in WebP format (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
-url="https://developers.google.com/speed/webp/"
-license=('BSD')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
+url='https://developers.google.com/speed/webp/'
+license=('spdx:BSD-3-Clause')
 depends=("${MINGW_PACKAGE_PREFIX}-giflib"
          "${MINGW_PACKAGE_PREFIX}-libjpeg-turbo"
          "${MINGW_PACKAGE_PREFIX}-libpng"
@@ -23,18 +23,19 @@ sha256sums=('51e9297aadb7d9eb99129fe0050f53a11fcce38a0848fb2b0389e385ad93695e')
 validpgpkeys=('6B0E6B70976DE303EDF2F601F9C3D6BDB8232B5D')
 
 prepare() {
-  cd ${srcdir}/${_realname}-${pkgver}
+  cd "${srcdir}/${_realname}-${pkgver}"
+
   ./autogen.sh
 }
 
 build() {
-  [[ -d ${srcdir}/build-${MINGW_CHOST} ]] && rm -rf ${srcdir}/build-${MINGW_CHOST}
-  mkdir -p ${srcdir}/build-${MINGW_CHOST} && cd ${srcdir}/build-${MINGW_CHOST}
+  cd "${srcdir}/${_realname}-${pkgver}"
+  mkdir -p "${srcdir}/build-${MSYSTEM}" && cd "${srcdir}/build-${MSYSTEM}"
 
   ../${_realname}-${pkgver}/configure \
+    --prefix=${MINGW_PREFIX} \
     --build=${MINGW_CHOST} \
     --host=${MINGW_CHOST} \
-    --prefix=${MINGW_PREFIX} \
     --enable-static \
     --enable-swap-16bit-csp \
     --enable-libwebpmux \
@@ -47,6 +48,9 @@ build() {
 }
 
 package() {
-  cd "${srcdir}/build-${MINGW_CHOST}"
+  cd "${srcdir}/build-${MSYSTEM}"
+
   make install DESTDIR="${pkgdir}"
+
+  install -Dm644 "${srcdir}/${_realname}-${pkgver}/COPYING" "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/COPYING"
 }
diff --git a/mingw-w64-python-nose/PKGBUILD b/mingw-w64-python-nose/PKGBUILD
index 1d74eb7fdf..2f9b89294a 100644
--- a/mingw-w64-python-nose/PKGBUILD
+++ b/mingw-w64-python-nose/PKGBUILD
@@ -8,38 +8,41 @@ provides=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 conflicts=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 replaces=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 pkgver=1.3.7
-pkgrel=3
+pkgrel=4
 pkgdesc="A discovery-based unittest extension (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
-license=('LGPL-2.1')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
+license=('spdx:LGPL-2.1')
 url="https://nose.readthedocs.io/"
 depends=("${MINGW_PACKAGE_PREFIX}-python-setuptools")
 source=("https://pypi.python.org/packages/source/n/nose/nose-${pkgver}.tar.gz")
 sha256sums=('f1bffef9cbc82628f6e7d7b40d7e255aefaa1adb6a1b1d26c69a8b79e6208a98')
 
 prepare() {
-  cd ${srcdir}
-  rm -rf python-build-${CARCH} | true
-  cp -r "${_realname}-${pkgver}" "python-build-${CARCH}"
+  cd "${srcdir}/${_realname}-${pkgver}"
+
+  sed -i -e "s:man/man1:share/man/man1:g" setup.py
 }
 
 build() {
   cd "${srcdir}"
-    msg "Python build for ${CARCH}"  
-    cd "${srcdir}/python-build-${CARCH}"
-    sed -i -e "s:man/man1:share/man/man1:g" setup.py
-    ${MINGW_PREFIX}/bin/python setup.py build
+  cp -r "${_realname}-${pkgver}" "python-build-${MSYSTEM}" && cd "python-build-${MSYSTEM}"
+
+  ${MINGW_PREFIX}/bin/python setup.py build
 }
 
 package() {
-  local _mingw_prefix=$(cygpath -am ${MINGW_PREFIX})
+  cd "${srcdir}/python-build-${MSYSTEM}"
 
-  cd "${srcdir}/python-build-${CARCH}"
   MSYS2_ARG_CONV_EXCL="--prefix=;--install-scripts=;--install-platlib=" \
-    ${MINGW_PREFIX}/bin/python setup.py install --prefix=${MINGW_PREFIX} --root="${pkgdir}" -O1
+    ${MINGW_PREFIX}/bin/python setup.py install --prefix=${MINGW_PREFIX} \
+      --root="${pkgdir}" --optimize=1 --skip-build
 
-  for _f in "${pkgdir}${MINGW_PREFIX}"/bin/*-script.py; do
-    sed -e '1 { s/^#!.*$// }' -i ${_f}
+  install -Dm644 lgpl.txt "${pkgdir}${MINGW_PREFIX}/share/licenses/python-${_realname}/LICENSE"
+
+  # fixup shebangs
+  for _f in nosetests; do
+    sed -i "s|^#!.*$|#!/usr/bin/env python.exe|g" \
+      "${pkgdir}${MINGW_PREFIX}"/bin/${_f}
   done
 }
diff --git a/mingw-w64-shaderc/PKGBUILD b/mingw-w64-shaderc/PKGBUILD
index 2a9c49bf99..17f4f454fb 100644
--- a/mingw-w64-shaderc/PKGBUILD
+++ b/mingw-w64-shaderc/PKGBUILD
@@ -8,7 +8,7 @@ pkgrel=1
 pkgdesc="Collection of tools, libraries and tests for shader compilation (mingw-w64)"
 url="https://github.com/google/shaderc"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 license=('Apache')
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs"
          "${MINGW_PACKAGE_PREFIX}-glslang"
diff --git a/mingw-w64-spirv-cross/PKGBUILD b/mingw-w64-spirv-cross/PKGBUILD
index 7f0bf7d2a8..64c867daae 100644
--- a/mingw-w64-spirv-cross/PKGBUILD
+++ b/mingw-w64-spirv-cross/PKGBUILD
@@ -7,7 +7,7 @@ pkgver=2021.01.15
 pkgrel=2
 pkgdesc="A tool and library for parsing and converting SPIR-V to other shader languages (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url='https://github.com/KhronosGroup/SPIRV-Cross/'
 license=('Apache')
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs")
@@ -30,8 +30,8 @@ prepare() {
 }
 
 build() {
-  [[ -d "${srcdir}/build-${MINGW_CHOST}" ]] && rm -rf "${srcdir}/build-${MINGW_CHOST}"
-  mkdir -p "${srcdir}/build-${MINGW_CHOST}" && cd "${srcdir}/build-${MINGW_CHOST}"
+  [[ -d "${srcdir}/build-${MSYSTEM}" ]] && rm -rf "${srcdir}/build-${MSYSTEM}"
+  mkdir -p "${srcdir}/build-${MSYSTEM}" && cd "${srcdir}/build-${MSYSTEM}"
 
   MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
   ${MINGW_PREFIX}/bin/cmake.exe \
@@ -46,12 +46,12 @@ build() {
 }
 
 check() {
-  cd "${srcdir}/build-${MINGW_CHOST}"
+  cd "${srcdir}/build-${MSYSTEM}"
   ${MINGW_PREFIX}/bin/ctest.exe ./ || true
 }
 
 package() {
-  cd "${srcdir}/build-${MINGW_CHOST}"
+  cd "${srcdir}/build-${MSYSTEM}"
   DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake.exe --build ./ --target install
 
   install -Dm644 "${srcdir}/SPIRV-Cross-${pkgver//./-}/LICENSE" "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE"
diff --git a/mingw-w64-vulkan-headers/PKGBUILD b/mingw-w64-vulkan-headers/PKGBUILD
index 3a16291cc5..1c27da0e99 100644
--- a/mingw-w64-vulkan-headers/PKGBUILD
+++ b/mingw-w64-vulkan-headers/PKGBUILD
@@ -8,7 +8,7 @@ pkgver=1.3.207
 pkgrel=1
 pkgdesc='Vulkan header files (mingw-w64)'
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url="https://www.khronos.org/vulkan/"
 groups=("${MINGW_PACKAGE_PREFIX}-vulkan-devel")
 license=('Apache')
diff --git a/mingw-w64-vulkan-loader/PKGBUILD b/mingw-w64-vulkan-loader/PKGBUILD
index 72ddeb2b2d..817590a54a 100644
--- a/mingw-w64-vulkan-loader/PKGBUILD
+++ b/mingw-w64-vulkan-loader/PKGBUILD
@@ -10,7 +10,7 @@ pkgver=1.3.207
 pkgrel=1
 pkgdesc='Vulkan Installable Client Driver (ICD) Loader (mingw-w64)'
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url="https://www.khronos.org/vulkan/"
 groups=("${MINGW_PACKAGE_PREFIX}-vulkan-devel")
 license=('Apache')
diff --git a/mingw-w64-vulkan-validation-layers/PKGBUILD b/mingw-w64-vulkan-validation-layers/PKGBUILD
index aad27fa4fc..ca43a84952 100644
--- a/mingw-w64-vulkan-validation-layers/PKGBUILD
+++ b/mingw-w64-vulkan-validation-layers/PKGBUILD
@@ -8,7 +8,7 @@ pkgver=1.3.206
 pkgrel=1
 pkgdesc='Vulkan Validation Layers (mingw-w64)'
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url="https://www.khronos.org/vulkan/"
 groups=("${MINGW_PACKAGE_PREFIX}-vulkan-devel")
 license=('Apache')