User blog comment:Woganhemlock/The Sims 3: Seasons announced/@comment-26744861-20120805133145

Here comes another graphics glitch! This time it's related to particle effects which realistic weather relies so much on. I wonder if EA have optimised the TS3 engine with OS X Mountain Lion, because we all know what happened last time.

Joking aside, EA really do need to try and make this as bug-free as possible out of the box. Yes the TS3 engine is far from perfect and tbh it wasn't perfect to start with. Another gaffe like they had with Pets and I doubt TS3 will maintain popularity in the long run...