Welcome back! There have been some new pet species/colors, but I can't think of anything major that would affect your play off the top of my head c':

Feel free to ask if you've any more specific questions!

Useful Links:

What to do on Subeta? FAQ Useful general information for newbies Customise your dashboard Useful Custom CSS Builder Finding friends (Chit Chat) SubetaLodge (Offsite item database, pet colours etc.)