Where can I find what version of python is bundled with certain Blender versions? The question is where I can reliably find the information on which python version is bundled with a certain Blender release (like 2.72b at the moment)?

I need to find the major and minor version numbers as soon as a new release is out (well, as soon as I begin using it, that is), in order to be able to compile external modules which work only with certain python versions.
You can see the version also in the Python Console (here: v3.4.1 64bit)