diff --git a/.gitignore b/.gitignore
index 690cfda..54ae289 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ bullet-2.75-free.tar.gz
 /bullet-2.80-rev2531-free.tar.gz
 /bullet-2.81-rev2613-free.tar.gz
 /bullet-2.82-r2704-free.tar.gz
+/bullet3-2.83-free.tar.xz
diff --git a/bullet.spec b/bullet.spec
index c18a7ff..61346dd 100644
--- a/bullet.spec
+++ b/bullet.spec
@@ -1,14 +1,14 @@
-%global svnrev 2704
+%global _docdir_fmt %{name}
 
 Name: bullet
-Version: 2.82
-Release: 7%{?dist}
+Version: 2.83
+Release: 1%{?dist}
 Summary: 3D Collision Detection and Rigid Body Dynamics Library
 Group: Development/Libraries
-License: zlib and MIT and BSD
+License: zlib and MIT and BSD and Boost
 URL: http://www.bulletphysics.com
 
-Source0: %{name}-%{version}-r%{svnrev}-free.tar.gz
+Source0: %{name}3-%{version}-free.tar.xz
 # bullet contains non-free code that we cannot ship.  Therefore we use
 # this script to remove the non-free code before shipping it.
 # Download the upstream tarball and invoke this script while in the
@@ -16,9 +16,8 @@ Source0: %{name}-%{version}-r%{svnrev}-free.tar.gz
 # ./generate-tarball.sh 2.82-r2704
 Source1: generate-tarball.sh
 
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-
 BuildRequires: cmake
+BuildRequires: dos2unix
 BuildRequires: freeglut-devel
 BuildRequires: libICE-devel
 
@@ -68,23 +67,18 @@ Development headers and libraries for %{name} extra libraries.
 
 
 %prep
-%setup -q -n %{name}-%{version}-r%{svnrev}
-
-# Set these files to right permission
-chmod 644 src/LinearMath/btPoolAllocator.h
-chmod 644 src/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
-chmod 644 src/BulletDynamics/ConstraintSolver/btSliderConstraint.h
+%setup -q -n %{name}3-%{version}
+rm -rf examples
+dos2unix README.md
 
-iconv -f ISO-8859-1 -t UTF-8 -o ChangeLog.utf8 ChangeLog
-mv ChangeLog.utf8 ChangeLog
-# Don't build bundled glui
-rm -fr Extras/glui/*
+chmod -x src/BulletDynamics/ConstraintSolver/btSliderConstraint.h
+chmod -x src/BulletDynamics/ConstraintSolver/btSliderConstraint.cpp
 
 %build
 mkdir build
 pushd build
 %cmake .. \
-  -DBUILD_DEMOS=OFF \
+  -DBUILD_BULLET2_DEMOS=OFF \
   -DBUILD_EXTRAS=ON \
   -DINSTALL_EXTRA_LIBS=ON \
   -DCMAKE_BUILD_TYPE=NONE \
@@ -94,6 +88,8 @@ pushd build
 make %{?_smp_mflags}
 popd
 
+doxygen Doxyfile
+
 %install
 rm -rf $RPM_BUILD_ROOT
 pushd build
@@ -122,7 +118,13 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %files
-%doc README AUTHORS COPYING NEWS ChangeLog
+%license LICENSE.txt
+%doc README.md AUTHORS.txt VERSION
+%{_libdir}/libBullet3Collision.so.*
+%{_libdir}/libBullet3Common.so.*
+%{_libdir}/libBullet3Dynamics.so.*
+%{_libdir}/libBullet3Geometry.so.*
+%{_libdir}/libBullet3OpenCL_clew.so.*
 %{_libdir}/libBulletCollision.so.*
 %{_libdir}/libBulletDynamics.so.*
 %{_libdir}/libBulletSoftBody.so.*
@@ -131,11 +133,20 @@ rm -rf $RPM_BUILD_ROOT
 %files devel
 %dir %{_includedir}/%{name}
 %{_includedir}/%{name}/*.h
+%{_includedir}/%{name}/Bullet3Collision
+%{_includedir}/%{name}/Bullet3Common
+%{_includedir}/%{name}/Bullet3Dynamics
+%{_includedir}/%{name}/Bullet3Geometry
+%{_includedir}/%{name}/Bullet3OpenCL
 %{_includedir}/%{name}/BulletCollision
 %{_includedir}/%{name}/BulletDynamics
 %{_includedir}/%{name}/BulletSoftBody
 %{_includedir}/%{name}/LinearMath
-%{_includedir}/%{name}/vectormath
+%{_libdir}/libBullet3Collision.so
+%{_libdir}/libBullet3Common.so
+%{_libdir}/libBullet3Dynamics.so
+%{_libdir}/libBullet3Geometry.so
+%{_libdir}/libBullet3OpenCL_clew.so
 %{_libdir}/libBulletCollision.so
 %{_libdir}/libBulletDynamics.so
 %{_libdir}/libBulletSoftBody.so
@@ -144,13 +155,17 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/cmake/%{name}
 
 %files devel-doc
-%doc Bullet_User_Manual.pdf
+%doc docs/Bullet_User_Manual.pdf
+%doc docs/BulletQuickstart.pdf
+%doc docs/GPU_rigidbody_using_OpenCL.pdf
+%doc html
 
 %files extras
 %{_libdir}/libConvexDecomposition.so.*
 %{_libdir}/libGIMPACTUtils.so.*
 %{_libdir}/libHACD.so.*
 %{_libdir}/libBulletFileLoader.so.*
+%{_libdir}/libBullet2FileLoader.so.*
 %{_libdir}/libBulletWorldImporter.so.*
 %{_libdir}/libBulletXmlWorldImporter.so.*
 
@@ -159,16 +174,21 @@ rm -rf $RPM_BUILD_ROOT
 %{_includedir}/%{name}/GIMPACTUtils
 %{_includedir}/%{name}/HACD
 %{_includedir}/%{name}/BulletFileLoader
+%{_includedir}/%{name}/Bullet2FileLoader
 %{_includedir}/%{name}/BulletWorldImporter
 %{_includedir}/%{name}/BulletXmlWorldImporter
 %{_libdir}/libConvexDecomposition.so
 %{_libdir}/libGIMPACTUtils.so
 %{_libdir}/libHACD.so
 %{_libdir}/libBulletFileLoader.so
+%{_libdir}/libBullet2FileLoader.so
 %{_libdir}/libBulletWorldImporter.so
 %{_libdir}/libBulletXmlWorldImporter.so
 
 %changelog
+* Mon Jan 04 2016 Rich Mattes <richmattes@gmail.com> - 2.83-1
+- Update to release 2.83
+
 * Sat Oct 03 2015 François Cami <fcami@fedoraproject.org> - 2.82-7
 - Move Bullet_User_Manual.pdf to a separate devel-doc package.
 
diff --git a/generate-tarball.sh b/generate-tarball.sh
index 88a6ce4..e949bc9 100644
--- a/generate-tarball.sh
+++ b/generate-tarball.sh
@@ -16,6 +16,7 @@ tar -xzvf $NAME-$VERSION.tgz
 rm -rf $NAME-$VERSION/build3/*.{bat,exe}
 rm -rf $NAME-$VERSION/build3/xcode*
 rm -rf $NAME-$VERSION/build3/*osx*
+rm -rf $NAME-$VERSION/build3/premake4_*
+rm -rf $NAME-$VERSION/data
 
-tar -czvf $NAME-$VERSION-free.tar.gz $NAME-$VERSION
-
+tar -cJvf $NAME-$VERSION-free.tar.xz $NAME-$VERSION 
diff --git a/sources b/sources
index 157ad3d..915c303 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-0557861c6cc334228e2a8e5ac8bb1732  bullet-2.82-r2704-free.tar.gz
+392430f0909a3f913f07fcdb599d4950  bullet3-2.83-free.tar.xz