Well it's like a week old but here it is:
"Like zeh said, I was sleeping… But what a wonderful thing to wake up to this morning: Virtuous Flame and Coldbird’s Homebrew Enabler! This HEN release is for users left in the dark at firmware 6.31 or 6.35. Now you too can enjoy the fun that is PSP Hacks!"
Here's what they said:
And yes — Prometheus ISO Loader works. And no — no downgrading yet.
"HEN for 6.31 / 6.35 Installation
1. Download and unzip the appropriate HEN version for your PSP firmware below
2. Download and unzip Half Byte Loader R112 for Minna no Sukkiri
Copy the “hbl” directory and the “h.bin” file to the root of your device
3. Download and unzip the Minna no Sukkiri PSP Demo
Unzip UCJS10094.zip (the SAVEDATA exploit) and copy to PSP/SAVEDATA
4. Replace HBL’s “hbl/menu/EBOOT.PBP” with the appropriate HEN version
5. Start up Minna no Sukkiri and enjoy!"
http://www.psp-hacks.com/file/2014 Minna no Sukkiri Demo (includes PSP SAVEDATA Exploit)
http://www.psp-hacks.com/file/2013 HBL R112 for Minna no Sukkiri
http://www.psp-hacks.com/file/2032 HEN for 6.31
http://www.psp-hacks.com/file/2033 HEN for 6.35
Pretty neat huh? Well enjoy!