Having read through the rules changes, the news is that there is no news. No substantial changes have been made apart from within the WLAC.

Here competitors will now have a choice of different milk options for the championship and will have the option of bringing battery-operated electrical equipment onto the stage.

Not a “rule” change, but the SCA also announced that WLAC will now standardize the use of a fully-automatic espresso machine, a lot of people are very upset about that. I have no strong opinions on that, honestly. A decent take: https://www.youtube.com/watch?v=zdRejDpSwEo