I've brewed a Hefe and a Dunkel with WLP300 within the past month. Neither had crazy blowoffs, but I did attach a blowoff tube just in case.
I just tasted my Hefe after allowing for a week of bottle conditioning (no patience) and it's awesome. Best beer I have made.
Primary: Tripel Trouble
Bottled: Abbey's Weiss, Betty's American Wheat, Das Boot Kolsch, Coffee Stout w/Cocoa Nibs, Coffee Stout, Imperial Amber Ale, West Coast IPA, Nelson Sauvin Session Amber Ale, Belgian Golden IPA, Ya Mama's Best Milk Stout