Well there has been talk of a new kernel exploit for the psvita and the Developer Total_Noob is hard at work on an update for the highly popular PSVITA Custom Emulator Firmware TN-V. So here is a little more information about the release and what firmware it will support .
TN-V4: will be released after the PS4 launch. Since Total_Noob does not have that much time to work on TN-V4, We all will have to be patient.
TN-4: Will support every firmware and anything below 2.60 will have high memory support. While this sounds great, I would highly recommend not updating from 2.60 and losing your chance at a kernel exploit if you want one, until things are set in stone.
TN is currently holding a little poll in the forums if you’d like to see TN-V4 and a new kernel exploit release, so make sure to go vote to let him know you do!