Nifty, but no execute permissions makes it effectively useless for most people. From discussions, it seems they will need a lot for execute, and will need to break hypervisor for fPKGs. For those in the know, there was a pretty interesting development today involving an update that was pushed twice by Sony. Both were the same version numbers, but had different MD5s. The big shock was that Plutoo of Switch exploitation fame is able to determine what actually changed, which means they are able to fully decrypt and possibly decompile firmware. That's big.