diff --git a/.gitignore b/.gitignore
index 3ab3b4c..748705b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 /luxcorerender_v2.1beta4.tar.gz
 /blendluxcore_v2.1.tar.gz
 /luxcorerender_v2.1.tar.gz
+/luxcorerender_v2.2alpha1.tar.gz
+/blendluxcore_v2.2alpha1.tar.gz
diff --git a/luxcorerender.spec b/luxcorerender.spec
index a202418..886b344 100644
--- a/luxcorerender.spec
+++ b/luxcorerender.spec
@@ -1,12 +1,12 @@
 # [Fedora] Turn off the brp-python-bytecompile script
 %global __os_install_post %(echo '%{__os_install_post}' | sed -e 's!/usr/lib[^[:space:]]*/brp-python-bytecompile[[:space:]].*$!!g')
-%global		with_prerelease 0
-#%%global		prerelease	beta4
+%global		with_prerelease 1
+%global		prerelease	alpha1
 
 Name:		luxcorerender
-Version:	2.1
+Version:	2.2
 %if %{with_prerelease}
-Release:	0.3.%{prerelease}%{?dist}
+Release:	0.1.%{prerelease}%{?dist}
 %else
 Release:	4%{?dist}
 %endif
@@ -18,19 +18,17 @@ Source0:	https://github.com/%{name}/LuxCore/archive/luxcorerender_v%{version}%{?
 Source1:	https://github.com/%{name}/BlendLuxCore/archive/blendluxcore_v%{version}%{?prerelease}.tar.gz
 Source3:	blender-%{name}.metainfo.xml
 
-# Upstream patch address boost requirement
-Patch0:		use-non_native-fp_classify-for-boost-106900.patch
-# Temporarily disable slg library
-#Patch1:		luxcorerender-ignore-slg-library.patch
+# add python build dependency
+Patch0:		python.patch
+# drop eos portable archiver (Manjaro)
+Patch1:		boost016900_serialization.patch
 
-#LuxCoreRender use intensively SSE3
-#ExclusiveArch:	%%{ix86} x86_64 ia64
+# Upstream only uses 64 bit archtecture
 ExclusiveArch:	x86_64
 
 BuildRequires:	bison
 BuildRequires:	blender-rpm-macros
 BuildRequires:	blosc-devel
-BuildRequires:	boost-devel
 BuildRequires:	boost-python3-devel
 BuildRequires:	chrpath
 BuildRequires:	cmake
@@ -48,19 +46,23 @@ BuildRequires:	libpng-devel
 BuildRequires:	libjpeg-turbo-devel
 BuildRequires:	libtiff-devel
 BuildRequires:	ocl-icd-devel
+BuildRequires:	oidn-devel
 BuildRequires:	opencl-headers
 BuildRequires:	OpenEXR-devel
 BuildRequires:	OpenImageIO-devel
 BuildRequires:	openvdb-devel
 BuildRequires:	python3-devel
+BuildRequires:	pyside-tools
 BuildRequires:	python3-pillow-devel
-#BuildRequires:	python-pyside-devel
 BuildRequires:	tbb-devel
 
 Requires:	%{name}-core = %{version}-%{release}
 Obsoletes:	LuxRender < 2.0
 Provides:	LuxRender = 2.0
 
+# Use python dependency generator
+%{?python_enable_dependency_generator}
+
 %description
 LuxCoreRender is a rendering system for physically correct image synthesis.
 
@@ -114,32 +116,25 @@ The %{name}-examples package contains sample binaries using %{name}.
 %autosetup -p1 -n LuxCore-%{name}_v%{version}%{?prerelease}
 %setup -q -T -D -a 1 -n LuxCore-%{name}_v%{version}%{?prerelease}
 
-sed -i \
-    -e 's|Boost|BOOST|g' \
-    CMakeLists.txt
+# Disable slg library
 
 # Fix all Python shebangs recursively in .
-# -p preserves timestamps
-# -n prevents creating ~backup files
-# -i specifies the interpreter for the shebang
-# Need to list files that do not match ^[a-zA-Z0-9_]+\.py$ explicitly!
 pathfix.py -pni "%{__python3} %{py3_shbang_opts}" . 
 
 %build
-# Suppress unused-direct-shlib-dependency warning
-export CXXFLAGS="%{optflags} -Wl,--as-needed"
-
 mkdir -p build
 pushd build
 #Building lux
 %cmake \
+	-DCMAKE_CXX_FLAGS="%{optflags} -Wl,--as-needed" \
 	-DCMAKE_VERBOSE_MAKEFILE:BOOL=TRUE \
-	-DBOOST_LOCATION=%{_libdir} \
 	-DLUXRAYS_DISABLE_OPENCL=0 \
-	-DPYTHON_V=%{python3_version_nodots} \
+	-DBUILD_SHARED_LIBS=ON \
+S	-DPYTHON_V=%{python3_version_nodots} \
 	..
-popd
 %make_build
+popd
+
 %install
 mkdir -p %{buildroot}%{_bindir}
 mkdir -p %{buildroot}%{_datadir}/%{name}
@@ -193,8 +188,11 @@ appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/blender-%{name
 %{_includedir}/{luxcore,luxrays,slg}
 
 %changelog
+* Sun Mar 31 2019 Luya Tshimbalanga <luya@fedoraproject.org> - 2.2-0.1.alpha1
+- Update to 2.2alpha1
+
 * Fri Mar 29 2019 Luya Tshimbalanga <luya@fedoraproject.org> - 2.1-4
-- Patch using non-native fp_classify for boost 1.69
+- Patch for boost 1.69 serialisation
 
 * Fri Mar 22 2019 Luya Tshimbalanga <luya@fedoraproject.org> - 2.1-3
 - Rebuilt for embree 3.5.2
diff --git a/sources b/sources
index 98bb253..1e37531 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (blendluxcore_v2.1.tar.gz) = 7174cf6411e3a22a7dbde2e84b8bab6f4629200023164374b8998e3beed3283723fa5070349f8f21d6dee0462eb497b6b30603097f41ed2070ecc18e2ed5f970
-SHA512 (luxcorerender_v2.1.tar.gz) = a0ade8e7639578fdc670bbfe29ecaea206548c10f9eb0741dbaf86f3bf68949c742eebc63bb2091e5189918bd44b91468d0c6db562ef76a6d7036c94cd85cc7f
+SHA512 (luxcorerender_v2.2alpha1.tar.gz) = 3f554dd307f04dd70e8d128012e9d702b552bd8d7c03eb054513e5a9aec2e333a0f310c2618ce9422827d31c6808fba4759212265667bd0d6c5be7107ca87543
+SHA512 (blendluxcore_v2.2alpha1.tar.gz) = 6db2da0d3b3868f136d145b222cdf5c0f44cd9aa66dc0a99aefda78949fda036e956305140127a545efe9df7fa75582f5828417cdb2c07106bc66538f0fc7038