diff --git a/.appveyor.yml b/.appveyor.yml
index 4dc24a1b0d..e5a4c99d5b 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -14,7 +14,7 @@ test_script:
   - C:\msys64\usr\bin\bash -lc "exec 0</dev/null && cd $APPVEYOR_BUILD_FOLDER/build && ctest -j4"
 
 artifacts:
-  - path: build\lean-0.3.0-windows.zip
+  - path: build\lean-3.0.0-windows.zip
     name: binary
 
 deploy:
diff --git a/.appveyor.yml.in b/.appveyor.yml.in
new file mode 100644
index 0000000000..9e943d14ef
--- /dev/null
+++ b/.appveyor.yml.in
@@ -0,0 +1,29 @@
+environment:
+  matrix:
+  - MSYSTEM: MINGW64
+
+install:
+  # upgrading gcc to 6.x fails
+  - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Suuy mingw-w64-x86_64-ninja mingw-w64-x86_64-cmake git mingw-w64-x86_64-mpfr"
+
+build_script:
+  - C:\msys64\usr\bin\bash -lc "exec 0</dev/null && cd $APPVEYOR_BUILD_FOLDER && mkdir build && cd build && cmake ../src -DINCLUDE_MSYS2_DLLS=ON -DCMAKE_BUILD_TYPE=Release -G Ninja"
+  - C:\msys64\usr\bin\bash -lc "exec 0</dev/null && cd $APPVEYOR_BUILD_FOLDER/build && ninja && cpack"
+
+test_script:
+  - C:\msys64\usr\bin\bash -lc "exec 0</dev/null && cd $APPVEYOR_BUILD_FOLDER/build && ctest -j4"
+
+artifacts:
+  - path: build\lean-@LEAN_VERSION_MAJOR@.@LEAN_VERSION_MINOR@.@LEAN_VERSION_PATCH@-windows.zip
+    name: binary
+
+deploy:
+  description: 'Lean release'
+  provider: GitHub
+  auth_token:
+    secure: d+yPrDEAbiNrcf3a0PDNYEn/ieOOP6M7cP9zje+QkJEjHFdjBjWMe8b3qrC1hrus
+  artifact: binary
+  draft: false
+  prerelease: false
+  on:
+    appveyor_repo_tag: true
diff --git a/.travis.yml b/.travis.yml
index 847f5ad174..85f7c297cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,7 +24,7 @@ matrix:
      env:
        CMAKE_CXX_COMPILER=g++-4.9
        CMAKE_BUILD_TYPE=Release
-       TARGET=build/lean-0.3.0-linux.tar.gz
+       TARGET=build/lean-3.0.0-linux.tar.gz
        UPLOAD=ON
        STATIC=ON
 
@@ -77,7 +77,7 @@ matrix:
      env:
        CMAKE_CXX_COMPILER=clang++
        CMAKE_BUILD_TYPE=Release
-       TARGET=build/lean-0.3.0-darwin.zip
+       TARGET=build/lean-3.0.0-darwin.zip
        UPLOAD=ON
        PACKAGE=TRUE
 
diff --git a/.travis.yml.in b/.travis.yml.in
new file mode 100644
index 0000000000..475cb1e4af
--- /dev/null
+++ b/.travis.yml.in
@@ -0,0 +1,142 @@
+language: cpp
+sudo: true
+cache: apt
+dist: trusty
+addons:
+  apt:
+    sources: &apt_sources
+      - ubuntu-toolchain-r-test
+      - sourceline: 'ppa:kalakris/cmake' # cmake 2.8 for precise
+      - sourceline: 'ppa:adrozdoff/cmake' # cmake 3 for trusty
+      - sourceline: 'ppa:h-rayflood/llvm'
+    packages: &default_packages
+      - cmake
+      - libgmp-dev
+      - libmpfr-dev
+      - libgoogle-perftools-dev
+      - g++-4.9
+      - clang-3.4
+
+matrix:
+  include:
+   - os: linux
+     dist: precise
+     env:
+       CMAKE_CXX_COMPILER=g++-4.9
+       CMAKE_BUILD_TYPE=Release
+       TARGET=build/lean-@LEAN_VERSION_MAJOR@.@LEAN_VERSION_MINOR@.@LEAN_VERSION_PATCH@-linux.tar.gz
+       UPLOAD=ON
+       STATIC=ON
+
+   - os: linux
+     env:
+       CMAKE_CXX_COMPILER=clang++-3.4
+       CMAKE_BUILD_TYPE=Release
+       TCMALLOC=ON
+
+   - os: linux
+     addons: &gcc6_addons
+       apt:
+         sources: *apt_sources
+         packages:
+           - *default_packages
+           - g++-6
+           - gcc-6
+     env:
+       CMAKE_CXX_COMPILER=g++-6
+       CMAKE_BUILD_TYPE=Release
+       TCMALLOC=ON
+
+   - os: linux
+     addons: *gcc6_addons
+     env:
+       CMAKE_CXX_COMPILER=g++-6
+       CMAKE_BUILD_TYPE=Release
+       TESTCOV=ON
+
+   - os: linux
+     addons: *gcc6_addons
+     env:
+       CMAKE_CXX_COMPILER=g++-6
+       CMAKE_BUILD_TYPE=Release
+       MULTI_THREAD=OFF
+
+   - os: linux
+     env:
+       CMAKE_CXX_COMPILER=clang++-3.4
+       CMAKE_BUILD_TYPE=Debug
+       TCMALLOC=ON
+
+   - os: linux
+     dist: precise
+     env:
+       CMAKE_CXX_COMPILER=g++-4.9
+       CMAKE_BUILD_TYPE=Debug
+
+   - os: osx
+     env:
+       CMAKE_CXX_COMPILER=clang++
+       CMAKE_BUILD_TYPE=Release
+       TARGET=build/lean-@LEAN_VERSION_MAJOR@.@LEAN_VERSION_MINOR@.@LEAN_VERSION_PATCH@-darwin.zip
+       UPLOAD=ON
+       PACKAGE=TRUE
+
+   - os: osx
+     env:
+       CMAKE_CXX_COMPILER=g++
+       CMAKE_BUILD_TYPE=Debug
+
+before_install:
+  - if [[ $TRAVIS_OS_NAME == osx ]]; then
+      brew update &&
+      brew install gcc &&
+      brew install gmp &&
+      brew install mpfr;
+    fi
+
+script:
+  - mkdir -p build
+  - cd build
+  - if [[ $TESTCOV != ON ]]; then TESTCOV=OFF; fi
+  - if [[ $TCMALLOC != ON ]]; then TCMALLOC=OFF; fi
+  - if [[ $STATIC != ON ]]; then STATIC=OFF; fi
+  - if [[ $MULTI_THREAD != OFF ]]; then MULTI_THREAD=ON; fi
+  - cmake -DCMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE
+          -DCMAKE_CXX_COMPILER=$CMAKE_CXX_COMPILER
+          -DTESTCOV=$TESTCOV
+          -DTCMALLOC=$TCMALLOC
+          -DMULTI_THREAD=$MULTI_THREAD
+          -DSTATIC=$STATIC
+          ../src
+  - make -j2
+  - cpack
+  # TODO(gabriel): add smaller test subset for debug and emscripten builds
+  - if [[ $CMAKE_BUILD_TYPE == Release ]]; then
+      yes "A" | ctest -j2 -V;
+    else
+      yes "A" | ctest -j2 -I 100,600,10 -V;
+    fi
+  - if [[ $PACKAGE == TRUE ]]; then make package; fi
+  - cd ..
+
+after_script:
+  - if [[ $TESTCOV == ON ]]; then bash <(curl -s https://codecov.io/bash) -x gcov-6; fi
+
+notifications:
+  email:
+    recipients:
+     - lean-build@googlegroups.com
+    on_success: change
+    on_failure: always
+
+deploy:
+  provider: releases
+  api_key:
+    secure: NeTKs0tb0hM9yC1lJyc7Y8ev1rfEe9tpY8bS20hUivNKcX8S0HjJh/xtx/3LgrhcqVP0xKuDPE0YNQk3E9SO1ni2ESjIFIVXI/hpDLNjxjfaeW7rcpYcc7dy7ynEP23HnAOMr4PMHs0T/ATsJHKyDXTUi4yrQToBBTQUFvCKgo8=
+  file: $TARGET
+  skip_cleanup: true
+  overwrite: true
+  on:
+    condition: $UPLOAD = ON
+    repo: leanprover/lean
+    tags: true
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 30597e8ce3..88528273ed 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 2.8.7)
 project(LEAN CXX C)
-set(LEAN_VERSION_MAJOR 0)
-set(LEAN_VERSION_MINOR 3)
+set(LEAN_VERSION_MAJOR 3)
+set(LEAN_VERSION_MINOR 0)
 set(LEAN_VERSION_PATCH 0)
 
 set(LEAN_EXTRA_LINKER_FLAGS "")
@@ -297,6 +297,8 @@ configure_file("${LEAN_SOURCE_DIR}/githash.h.in" "${LEAN_BINARY_DIR}/githash.h")
 
 # Version
 configure_file("${LEAN_SOURCE_DIR}/version.h.in" "${LEAN_BINARY_DIR}/version.h")
+configure_file("${LEAN_SOURCE_DIR}/../.travis.yml.in" "${LEAN_SOURCE_DIR}/../.travis.yml")
+configure_file("${LEAN_SOURCE_DIR}/../.appveyor.yml.in" "${LEAN_SOURCE_DIR}/../.appveyor.yml")
 
 # leanemacs file
 configure_file("${LEAN_SOURCE_DIR}/../bin/leanemacs.in" "${LEAN_SOURCE_DIR}/../bin/leanemacs")