diff --git a/CHANGELOG.md b/CHANGELOG.md
index d193281..4c929ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,41 @@
 # Python Buildpack Changelog
 
+## v70 (2015-10-29)
+
+Improved compatibility with multi and node.js buildpacks.
+
+## v69 (2015-10-12)
+
+Revert to v66.
+
+## v68 (2015-10-12)
+
+Fixed .heroku/venv error with modern apps.
+
+## v67 (2015-10-12)
+
+Further improved cache compatibility with multi and node.js buildpacks.
+
+## v66 (2015-10-09)
+
+Improved compatibility with multi and node.js buildpacks.
+
+## v65 (2015-10-08)
+
+Reverted v64.
+
+## v64 (2015-10-08)
+
+Improved compatibility with multi and node.js buildpacks.
+
+## v63 (2015-10-08)
+
+Updated Pip and Setuptools.
+
+- Setuptools updated to v18.3.2
+- Pip updated to v7.1.2
+
+
 ## v62 (2015-08-07)
 
 Updated Pip and Setuptools.
@@ -21,4 +57,3 @@ Default Python is now latest 2.7.10. Updated Pip and Distribute.
 - Default Python version is v2.7.10
 - Setuptools updated to v16.0
 - Pip updated to v7.0.1
-
diff --git a/Readme.md b/Readme.md
index a54cadc..d742b03 100644
--- a/Readme.md
+++ b/Readme.md
@@ -3,6 +3,8 @@
 
 This is a [Heroku buildpack](http://devcenter.heroku.com/articles/buildpacks) for Python apps, powered by [pip](http://www.pip-installer.org/).
 
+This buildpack supports running Django and Flask apps.
+
 
 Usage
 -----
@@ -17,7 +19,7 @@ Example usage:
     $ git push heroku master
     ...
     -----> Python app detected
-    -----> Installing runtime (python-2.7.9)
+    -----> Installing runtime (python-2.7.10)
     -----> Installing dependencies using pip
            Downloading/unpacking requests (from -r requirements.txt (line 1))
            Installing collected packages: requests
@@ -40,13 +42,13 @@ Specify a Runtime
 You can also provide arbitrary releases Python with a `runtime.txt` file.
 
     $ cat runtime.txt
-    python-3.4.3
+    python-3.5.0
 
 Runtime options include:
 
-- python-2.7.9
-- python-3.4.3
-- pypy-2.4.0 (unsupported, experimental)
+- python-2.7.10
+- python-3.5.0
+- pypy-2.6.1 (unsupported, experimental)
 - pypy3-2.4.0 (unsupported, experimental)
 
 Other [unsupported runtimes](https://github.com/heroku/heroku-buildpack-python/tree/master/builds/runtimes) are available as well.
diff --git a/bin/compile b/bin/compile
index 1ef70c6..1601579 100755
--- a/bin/compile
+++ b/bin/compile
@@ -19,20 +19,15 @@ BUILD_DIR=$1
 CACHE_DIR=$2
 ENV_DIR=$3
 
-
-CACHED_DIRS=".heroku"
-
 # Static configurations for virtualenv caches.
 VIRTUALENV_LOC=".heroku/venv"
 LEGACY_TRIGGER="lib/python2.7"
-PROFILE_PATH="$BUILD_DIR/.profile.d/python.sh"
-WEBCONCURRENCY_PROFILE_PATH="$BUILD_DIR/.profile.d/python.webconcurrency.sh"
 
 DEFAULT_PYTHON_VERSION="python-2.7.10"
 DEFAULT_PYTHON_STACK="cedar"
 PYTHON_EXE="/app/.heroku/python/bin/python"
-PIP_VERSION="7.1.0"
-SETUPTOOLS_VERSION="18.1"
+PIP_VERSION="7.1.2"
+SETUPTOOLS_VERSION="18.3.2"
 
 # Setup bpwatch
 export PATH=$PATH:$ROOT_DIR/vendor/bpwatch
@@ -57,10 +52,6 @@ TMP_APP_DIR=$CACHE_DIR/tmp_app_dir
 
 bpwatch start compile
 
-
-# We'll need to send these statics to other scripts we `source`.
-export BUILD_DIR CACHE_DIR BIN_DIR PROFILE_PATH
-
 # Syntax sugar.
 source $BIN_DIR/utils
 
@@ -83,7 +74,7 @@ if [[ ! "$DOCKER_BUILD" ]]; then
 
   # Copy Application code in.
   bpwatch start appdir_stage
-    deep-mv $BUILD_DIR $APP_DIR
+    deep-cp $BUILD_DIR $APP_DIR
   bpwatch stop appdir_stage
 fi
 
@@ -92,6 +83,13 @@ fi
 ORIG_BUILD_DIR=$BUILD_DIR
 BUILD_DIR=$APP_DIR
 
+# Set up outputs under new context
+PROFILE_PATH="$BUILD_DIR/.profile.d/python.sh"
+WEBCONCURRENCY_PROFILE_PATH="$BUILD_DIR/.profile.d/python.webconcurrency.sh"
+
+# We'll need to send these statics to other scripts we `source`.
+export BUILD_DIR CACHE_DIR BIN_DIR PROFILE_PATH
+
 # Prepend proper path buildpack use.
 export PATH=$BUILD_DIR/.heroku/python/bin:$BUILD_DIR/.heroku/vendor/bin:$PATH
 export PYTHONUNBUFFERED=1
@@ -144,9 +142,14 @@ bpwatch stop clear_old_venvs
 
 # Restore old artifacts from the cache.
 bpwatch start restore_cache
-  for dir in $CACHED_DIRS; do
-    cp -R $CACHE_DIR/$dir . &> /dev/null || true
-  done
+    mkdir -p .heroku
+
+    cp -R $CACHE_DIR/.heroku/python .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/python-stack .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/python-version .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/vendor .heroku/ &> /dev/null || true
+    cp -R $CACHE_DIR/.heroku/venv .heroku/ &> /dev/null || true
+
 bpwatch stop restore_cache
 
 set +e
@@ -208,16 +211,27 @@ bpwatch stop post_compile
 
 # Store new artifacts in cache.
 bpwatch start dump_cache
-  for dir in $CACHED_DIRS; do
-    rm -rf $CACHE_DIR/$dir
-    cp -R $dir $CACHE_DIR/
-  done
+
+  rm -rf $CACHE_DIR/.heroku/python
+  rm -rf $CACHE_DIR/.heroku/python-version
+  rm -rf $CACHE_DIR/.heroku/python-stack
+  rm -rf $CACHE_DIR/.heroku/vendor
+  rm -rf $CACHE_DIR/.heroku/venv
+
+  mkdir -p $CACHE_DIR/.heroku
+  cp -R .heroku/python $CACHE_DIR/.heroku/
+  cp -R .heroku/python-version $CACHE_DIR/.heroku/
+  cp -R .heroku/python-stack $CACHE_DIR/.heroku/ &> /dev/null || true
+  cp -R .heroku/vendor $CACHE_DIR/.heroku/ &> /dev/null || true
+  cp -R .heroku/venv $CACHE_DIR/.heroku/ &> /dev/null || true
+
 bpwatch stop dump_cache
 
 # ### Fin.
 if [[ ! "$DOCKER_BUILD" ]]; then
 
   bpwatch start appdir_commit
+    deep-rm $ORIG_BUILD_DIR
     deep-mv $BUILD_DIR $ORIG_BUILD_DIR
   bpwatch stop appdir_commit
 
diff --git a/bin/release b/bin/release
index 4b56c99..36a7336 100755
--- a/bin/release
+++ b/bin/release
@@ -18,6 +18,6 @@ if [[ $MANAGE_FILE ]]; then
 cat <<EOF
 
 addons:
-  heroku-postgresql:hobby-dev
+  heroku-postgresql
 EOF
 fi
diff --git a/builds/runtimes/pypy-2.6.1 b/builds/runtimes/pypy-2.6.1
new file mode 100755
index 0000000..063d59b
--- /dev/null
+++ b/builds/runtimes/pypy-2.6.1
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-2.6.1-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-2.6.1-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python
diff --git a/builds/runtimes/pypy-4.0.0 b/builds/runtimes/pypy-4.0.0
new file mode 100755
index 0000000..7ffbc6c
--- /dev/null
+++ b/builds/runtimes/pypy-4.0.0
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+# NOTICE: This formula only works for the cedar-14 stack, not cedar.
+
+OUT_PREFIX=$1
+
+echo "Building PyPy..."
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-4.0.0-linux64.tar.bz2'
+curl -L $SOURCE_TARBALL | tar jx
+cp -R pypy-4.0.0-linux64/* $OUT_PREFIX
+
+ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python
diff --git a/builds/runtimes/python-3.5.0 b/builds/runtimes/python-3.5.0
new file mode 100755
index 0000000..b0e33b1
--- /dev/null
+++ b/builds/runtimes/python-3.5.0
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+OUT_PREFIX=$1
+
+echo "Building Python..."
+SOURCE_TARBALL='https://python.org/ftp/python/3.5.0/Python-3.5.0.tgz'
+curl -L $SOURCE_TARBALL | tar xz
+mv Python-3.5.0 src
+cd src
+
+./configure --prefix=$OUT_PREFIX --with-ensurepip=no --enable-shared
+make
+make install
+
+ln $OUT_PREFIX/bin/python3 $OUT_PREFIX/bin/python
+
diff --git a/vendor/pip-7.1.0.tar.gz b/vendor/pip-7.1.0.tar.gz
deleted file mode 100644
index 00cc699..0000000
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diff --git a/vendor/pip-7.1.2.tar.gz b/vendor/pip-7.1.2.tar.gz
new file mode 100644
index 0000000..56ead41
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diff --git a/vendor/setuptools-18.1.tar.gz b/vendor/setuptools-18.1.tar.gz
deleted file mode 100644
index d4b3043..0000000
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diff --git a/vendor/setuptools-18.3.2.tar.gz b/vendor/setuptools-18.3.2.tar.gz
new file mode 100644
index 0000000..d36f6aa
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