More time than you would have realised
The demo for example has so many steps, its unbelievable
- the installation, the setting up, the content, the laying out of content, the images. It is quite a long process as we have so much content such as the tutorials, it extends the setup time with rewriting them, creating new screenshots and making sure it is structured correctly to fit the new design.
Then there is forums which again, has many steps. Setting up the 3 boards, preparing the forum tutorials which is usually a 8 minimum count. All the announcement etc... release material is prepared then posted on release.
And lots more