In a blog post on Wednesday, Eric Lempel, Director of Sony's PlayStation Network Operations, announced a "mandatory update" (version 3.30) which he says will be available shortly. Most of the added features have to do with sorting options within Trophies, including:
This is the Sony's second firmware upgrade in less than a month, and it's interesting that this latest one is being described as mandatory. On April 1st, Sony released firmware version 3.21, which was primarily to kill off the "Install Other OS" feature. While this was an optional update, users who opted not to install it would lose key features, such as the ability to sign in to the PlayStation Network.