nothing new. glock leg has been around for a long time due to the trigger needing to be pulled to field strip the weapon. All of those issues come down to a ND, here is a tip for glock owners.......UNLOAD YOUR GUN BEFORE CLEANING IT!
I own many glocks and never had any issues, reliable and takes abuse. On the other hand I carry a M&P now, but will never give up any of my glocks.