diff --git a/.SRCINFO b/.SRCINFO
index 2cdd522..043e505 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = edgetx-companion
 	pkgdesc = EEPROM Editor and Simulator for EdgeTX RC radio transmitter firmwares
-	pkgver = 2.9.2
+	pkgver = 2.7.1
 	pkgrel = 1
 	url = https://edgetx.org/
 	arch = x86_64
@@ -11,14 +11,12 @@ pkgbase = edgetx-companion
 	makedepends = avr-gcc
 	makedepends = avr-libc
 	makedepends = bc
-	makedepends = clang
 	makedepends = cmake
 	makedepends = fox
 	makedepends = gcc
 	makedepends = git
 	makedepends = icu
 	makedepends = python
-	makedepends = python-lz4
 	makedepends = python-pillow
 	makedepends = python-pyqt5
 	makedepends = qt5-svg
@@ -26,37 +24,16 @@ pkgbase = edgetx-companion
 	makedepends = qt5-translations
 	makedepends = sed
 	makedepends = xsd
-	depends = gcc-libs
-	depends = glibc
 	depends = hicolor-icon-theme
 	depends = qt5-base
 	depends = qt5-multimedia
-	depends = sdl2
+	depends = sdl
 	optdepends = dfu-util: tool for flashing stm32 based radios
 	provides = companion
 	conflicts = companion
-	options = !debug
-	source = git+https://github.com/EdgeTX/edgetx.git#tag=v2.9.2
-	source = git+https://github.com/jbeder/yaml-cpp.git
-	source = git+https://github.com/raphaelcoeffic/AccessDenied.git
-	source = git+https://github.com/FreeRTOS/FreeRTOS-Kernel.git
-	source = git+https://github.com/edgetx/libopenui.git
-	source = git+https://github.com/FreeRTOS/FreeRTOS-Kernel-Community-Supported-Ports.git
-	source = git+https://github.com/FreeRTOS/FreeRTOS-Kernel-Partner-Supported-Ports.git
-	source = git+https://github.com/EdgeTX/lvgl.git
-	source = git+https://github.com/nothings/stb.git
+	source = git+https://github.com/EdgeTX/edgetx.git#tag=v2.7.1
 	source = install.patch
-	source = remove-ssl-check.patch
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = SKIP
-	b2sums = 2f2d110ba03c3d852bec93a0705570df93e72f5e3757bd64494083c5a1ae59c5228024fca563043c05014b1962ccde88e029a6bac2fe36be6e852a53b35a43fb
-	b2sums = 6ad8cfff9f623c1d0182713839419b633f421e762d01cd46b2ce817c1552929d9ffadcb38f112d6ac9d3d196346b781d842ad0d9c34d4dbe0d5709a3edbc6026
+	sha256sums = SKIP
+	sha256sums = f9b62f82f402ea96153a7e45ec22aeaa4780039d57b28cc8ca8456e05c34ffe7
 
 pkgname = edgetx-companion
diff --git a/PKGBUILD b/PKGBUILD
index 8fdd006..c5a4296 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,88 +4,42 @@
 # Contributer: Arnaud
 
 pkgname=edgetx-companion
-pkgver=2.9.2
+pkgver=2.7.1
 pkgrel=1
 pkgdesc="EEPROM Editor and Simulator for EdgeTX RC radio transmitter firmwares"
 arch=('x86_64')
 url='https://edgetx.org/'
 license=('GPL2')
-depends=('gcc-libs' 'glibc' 'hicolor-icon-theme' 'qt5-base' 'qt5-multimedia' 'sdl2')
+depends=('hicolor-icon-theme' 'qt5-base' 'qt5-multimedia' 'sdl')
 optdepends=('dfu-util: tool for flashing stm32 based radios')
 makedepends=('arm-none-eabi-binutils' 'arm-none-eabi-gcc' 'arm-none-eabi-newlib'
-             'avr-gcc' 'avr-libc' 'bc' 'clang' 'cmake' 'fox' 'gcc' 'git' 'icu' 'python'
-             'python-lz4' 'python-pillow' 'python-pyqt5' 'qt5-svg' 'qt5-tools'
-             'qt5-translations' 'sed' 'xsd')
-options=('!debug')
+             'avr-gcc' 'avr-libc' 'bc' 'cmake' 'fox' 'gcc' 'git' 'icu' 'python'
+             'python-pillow' 'python-pyqt5' 'qt5-svg' 'qt5-tools' 'qt5-translations'
+             'sed' 'xsd')
 provides=('companion')
 conflicts=('companion')
 _pkgbase=${pkgname%%-*}
 _versuff=${pkgver/./} && _versuff=${_versuff%%.*}
-source=("git+https://github.com/EdgeTX/edgetx.git#tag=v$pkgver"
-        "git+https://github.com/jbeder/yaml-cpp.git"
-        "git+https://github.com/raphaelcoeffic/AccessDenied.git"
-        "git+https://github.com/FreeRTOS/FreeRTOS-Kernel.git"
-        "git+https://github.com/edgetx/libopenui.git"
-        "git+https://github.com/FreeRTOS/FreeRTOS-Kernel-Community-Supported-Ports.git"
-        "git+https://github.com/FreeRTOS/FreeRTOS-Kernel-Partner-Supported-Ports.git"
-        "git+https://github.com/EdgeTX/lvgl.git"
-        "git+https://github.com/nothings/stb.git"
-        install.patch
-        remove-ssl-check.patch)
-b2sums=('SKIP'
-        'SKIP'
-        'SKIP'
-        'SKIP'
-        'SKIP'
-        'SKIP'
-        'SKIP'
-        'SKIP'
-        'SKIP'
-        '2f2d110ba03c3d852bec93a0705570df93e72f5e3757bd64494083c5a1ae59c5228024fca563043c05014b1962ccde88e029a6bac2fe36be6e852a53b35a43fb'
-        '6ad8cfff9f623c1d0182713839419b633f421e762d01cd46b2ce817c1552929d9ffadcb38f112d6ac9d3d196346b781d842ad0d9c34d4dbe0d5709a3edbc6026')
+source=("git+https://github.com/EdgeTX/edgetx.git#tag=v${pkgver}"
+        install.patch)
+sha256sums=('SKIP'
+            'f9b62f82f402ea96153a7e45ec22aeaa4780039d57b28cc8ca8456e05c34ffe7')
 
 prepare() {
-  export EDGETX_VERSION_TAG=$pkgver
-  
-  cd $_pkgbase
-   
-  patch ./tools/build-companion.sh < $srcdir/install.patch
-  patch ./companion/src/CMakeLists.txt < $srcdir/remove-ssl-check.patch
-  
-  cd $srcdir/$_pkgbase/companion/src/thirdparty/
-  git submodule init
-  git config submodule.yaml-cpp.url $srcdir/yaml-cpp
-  git submodule update --init
-  
-  cd $srcdir/$_pkgbase/radio/src/thirdparty/
-  git submodule init
-  git config submodule.AccessDenied.url $srcdir/AccessDenied
-  git config submodule.FreeRTOS-Kernel.url $srcdir/FreeRTOS
-  git config submodule.libopenui.url $srcdir/libopenui
-  git submodule update --init
-  
-  cd $srcdir/$_pkgbase/radio/src/thirdparty/FreeRTOS/portable/ThirdParty/
-  git submodule init
-  git config submodule.FreeRTOS-Kernel-Community-Supported-Ports.url $srcdir/Community-Supported-Ports
-  git config submodule.FreeRTOS-Kernel-Partner-Supported-Ports.url $srcdir/FreeRTOS-Kernel-Partner-Supported-Ports
-  git submodule update --init
-  
-  cd $srcdir/$_pkgbase/radio/src/thirdparty/libopenui/thirdparty/
-  git submodule init
-  git config submodule.lvgl.url $srcdir/lvgl
-  git config submodule.stb.url $srcdir/stb
-  git submodule update --init
+  cd ${_pkgbase}
+  patch ./tools/build-companion-nightly.sh < ${srcdir}/install.patch
+  git submodule update --init --recursive
 }
 
 build() {
-  cd $_pkgbase
-  ./tools/build-companion.sh $MAKEFLAGS $srcdir/$_pkgbase $srcdir/build $_versuff
+  cd ${_pkgbase}
+  ./tools/build-companion-nightly.sh ${MAKEFLAGS} ${srcdir}/${_pkgbase} ${srcdir}/build ${_versuff}
 }
 
 package() {
-  cd $srcdir/build/native
-  make DESTDIR=$pkgdir/ install
-  cd $pkgdir/usr/share/applications
-  sed -i -e 's/Categories=Application/Categories=Utility/' companion$_versuff.desktop
-  sed -i -e 's/Categories=Application/Categories=Utility/' simulator$_versuff.desktop
+  cd ${srcdir}/build
+  make DESTDIR=${pkgdir}/ install
+  cd ${pkgdir}/usr/share/applications
+  sed -i -e 's/Categories=Application/Categories=Utility/' companion${_versuff}.desktop
+  sed -i -e 's/Categories=Application/Categories=Utility/' simulator${_versuff}.desktop
 }
diff --git a/install.patch b/install.patch
index 4d947c8..467ba28 100644
--- a/install.patch
+++ b/install.patch
@@ -1,5 +1,3 @@
---- build-companion-org.sh	2022-11-29 15:37:49.493916416 +0100
-+++ build-companion.sh	2022-11-29 20:11:06.425385270 +0100
 @@ -30,7 +30,7 @@
  SRCDIR=$1
  OUTDIR=$2
@@ -8,9 +6,9 @@
 +COMMON_OPTIONS="-DCMAKE_INSTALL_PREFIX=/usr -DGVARS=YES -DHELI=YES -DLUA=YES -Wno-dev -DCMAKE_BUILD_TYPE=Release"
  if [ "$(uname)" = "Darwin" ]; then
      COMMON_OPTIONS="${COMMON_OPTIONS} -DCMAKE_OSX_DEPLOYMENT_TARGET='10.9'"
- elif [ "$(uname)" != "Linux" ]; then # Assume Windows and MSYS2
-@@ -59,9 +59,9 @@
-   fi
+ elif [ "$(uname)" != "Linux" ]; then
+@@ -41,9 +41,9 @@
+   COMMON_OPTIONS="${COMMON_OPTIONS} -DVERSION_SUFFIX=$3"
  fi
  
 -rm -rf build
@@ -20,28 +18,19 @@
 +mkdir ${OUTDIR}
 +cd ${OUTDIR}
  
- declare -a simulator_plugins=(x9lite x9lites
-                               x7 x7-access
-@@ -161,19 +161,10 @@
-     esac
+ cmake ${COMMON_OPTIONS} -DPCB=X9LITE ${SRCDIR}
+ make -j${JOBS} libsimulator
+@@ -128,13 +128,3 @@
+ cmake ${COMMON_OPTIONS} -DPCB=X12S ${SRCDIR}
+ make -j${JOBS} libsimulator
  
-     rm -f CMakeCache.txt native/CMakeCache.txt
-+
-     cmake ${BUILD_OPTIONS} "${SRCDIR}"
-     cmake --build . --target native-configure
-     cmake --build native -j"${JOBS}" --target libsimulator
--done                              
-+done
- 
--cmake --build . --target native-configure
 -if [ "$(uname)" = "Darwin" ]; then
--    cmake --build native -j"${JOBS}" --target package
--    cp native/*.dmg "${OUTDIR}"
+-    make -j${JOBS} package
+-    cp *.dmg ${OUTDIR}
 -elif [ "$(uname)" = "Linux" ]; then
--    cmake --build native -j"${JOBS}" --target package
--    cp native/*.AppImage "${OUTDIR}"
+-    make -j${JOBS} package
+-    cp *.AppImage ${OUTDIR}
 -else
--    cmake --build native --target installer
--    cp native/companion/*.exe "${OUTDIR}"
+-    make installer
+-    cp companion/*.exe ${OUTDIR}
 -fi
-+cmake ${BUILD_OPTIONS} "${OUTDIR}/native"
diff --git a/remove-ssl-check.patch b/remove-ssl-check.patch
deleted file mode 100644
index 02eda4c..0000000
--- a/remove-ssl-check.patch
+++ /dev/null
@@ -1,25 +0,0 @@
---- CMakeLists.txt.old	2023-11-12 12:28:49.000000000 +0100
-+++ CMakeLists.txt	2023-11-16 17:08:59.841823856 +0100
-@@ -353,9 +353,6 @@
-   cmake_policy(SET CMP0026 OLD)  # https://cmake.org/cmake/help/v3.0/policy/CMP0026.html
- endif()
- 
--# OpenSSL
--include(FindOpenSSL)
--
- if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
-   message(STATUS "install " ${CMAKE_BINARY_DIR} " to " ${CMAKE_INSTALL_PREFIX}/bin)
-   install(TARGETS ${COMPANION_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
-@@ -379,12 +376,6 @@
-   install(FILES ../targets/linux/45-companion-taranis.rules DESTINATION ${INSTALL_TEMP_LIB_PFX}lib/udev/rules.d RENAME 45-companion${C9X_NAME_SUFFIX}-taranis.rules)
-   install(FILES ../targets/linux/45-usbasp.rules DESTINATION ${INSTALL_TEMP_LIB_PFX}lib/udev/rules.d RENAME 45-companion${C9X_NAME_SUFFIX}-usbasp.rules)
- 
--  if (OPENSSL_FOUND)
--    get_filename_component(OPENSSL_SSL_LIBRARY_DIR ${OPENSSL_SSL_LIBRARY} DIRECTORY)
--    # install only files Qt networking requires
--    install(DIRECTORY ${OPENSSL_SSL_LIBRARY_DIR}/ DESTINATION ${CMAKE_INSTALL_PREFIX}/lib FILES_MATCHING PATTERN "engines*" EXCLUDE PATTERN "pkg*" EXCLUDE PATTERN "*.so*")
--  endif()
--
-   # Linux specific code
-   set(OperatingSystem "Linux")
-   # Shortcut target