Write the changelog (doc/whats_new.rst). Commit counts can be generated using git log <last_release>.. | git shortlog -s -n

Fix Milestone issues

Compile documentation, make sure all examples compile. If sphinx refuses to work generate reference for functions, use sphinx 1.0.0 (which seems to work fine).

Tag master with X.X-branching

Create a new branch X.X. Next step for both branches separately (once with -git, once without)

Change the version number hardcoded in web page: doc/themes/scikit-learn/layout.html

Change the version number in

• doc/conf.py

• sklearn/__init__.py

check on python 2.6, 2.7, 3k

Tag X.X branch as X.X.

then python setup.py sdist will create a .tar.gz in the dist/ directory.

untar and test it

upload packet and website to sourceforge (see doc/README). Set the default download to the new release.

upload to PyPi with python setup.py sdist upload

hide the old version on the PyPi website

Update the mloss page: https://mloss.org/software/view/240/ (right now, I (Fabian) am the only one that can do that).

remove all deprecated features from dev that are to be removed in the next version.

Update the wikipedia page with the latest stable version (should we?)