I'm Back! Need Some Help

Hi guys! I wonder if anyone still remembers me but anyway, I'm back!

Due to my studies, I've been inactive for around 2 years or so? and now, I think I am grown up enough to be able to balance work and play. Since I've been absent for so long, I've grown a bit unfamiliar with this site, and, as I can see, the site itself has changed quite a lot. (e.g the arrangements of forums. for example, this at the counter used to be under the forum of the leaky cauldron.)

For the next few days, I'd be wandering around, learning about new rules and getting contact with my old friends. Still, I'd be really grateful if you can lend me a hand and share some of the changes of this site below.

If I accidentally break some rules or something, please forgive me, I'll try my best to blend in asap. (btw as I am not a native speaker of English, and I haven't been on another english site for two years, forgive me if I have made any grammar or vocabulary mistakes. I'd appreciate it if you would like to point them out for me though.)

Love you guys! It's great to be back!