Looking at the official v2.51 release you will see: added was support for 4.46 CFW, Updated languages and also an added parental block. Checkout all the details in the changelog below from developer Estwald
After a time of rest and complete disconnection (have been away from home more than one week without Internet XD) and at your request, here's what I did:
What's new in version 2.51:
-Added support CFW 4.46 (from PS3Ita Manager v1.20.) Thanks to Rancid - o and company)
Note: Has not been tested by my e don't know if needed additional patches in Rogero 4.46 or if there is some kind of bug. I'm still in 4.40 MiralaTijera... so give a try it and if there are problems, we will see that it can be
-Updated languages Chinese simplified/traditional (Thanks Liqianyu) and added Portuguese (from PS3Ita Manager v1.20)
-Added access to menus of options (SELECT and START) by parental control lock to prevent children from accessing these options: If the parental control for the games is set between 1 and 8 inclusive pressing these buttons, display a message instead.
Downloads: IrisManager official v2.51