On the 23rd of December there was one update. That update occurred in 2008 and was noticed by everybody. Up until that point, logging into Club Penguin looked simple like this:
However, that all changed when the new login screen design was changed to look like the following. Since it has changed more to the current login screen design.
It was definitely an improvement over the previous login screen, as it was far more colourful, eye popping, and easier to navigate.