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PS4 4.55 Kernel Exploit is Officially Released by Qwertyoruiopz!
Following the PS4 4.05 Kernel Exploit, news of his PS4 5.00 Kernel Bug, confirmation of achieving PS4 5.00 Kernel Code Exec and his recent PlayStation 4 Dev Hints today popular hacker Qwertyoruiopz released a PS4 4.55 Kernel Exploit publicly! 
This comes after his JailBreakMe PS4 4.0x Webkit Exploit release followed by the Userland Exploit Breakdown, so while those on PS4 4.06 and 4.07 OFW can make use of the new kernel exploit for 4.50 and 4.55 users it will be up to PlayStation 4 scene developers to bridge the required userland exploit gap to the 4.55 kernel exploit.
Until then, based on the PS4 Game Minimum Firmware Version requirement lists according to notzecoxao some new PlayStation 4 games should surface soon in PKG format including Nioh, Nier, Hitman (latest update) and Persona 5.
To quote from the hax455.txt:
This comes after his JailBreakMe PS4 4.0x Webkit Exploit release followed by the Userland Exploit Breakdown, so while those on PS4 4.06 and 4.07 OFW can make use of the new kernel exploit for 4.50 and 4.55 users it will be up to PlayStation 4 scene developers to bridge the required userland exploit gap to the 4.55 kernel exploit.
Until then, based on the PS4 Game Minimum Firmware Version requirement lists according to notzecoxao some new PlayStation 4 games should surface soon in PKG format including Nioh, Nier, Hitman (latest update) and Persona 5.
To quote from the hax455.txt:
Code:
function stage4_()
{
function malloc(sz)
{
var backing = new Uint8Array(1000+sz);
window.nogc.push(backing);
var ptr = p.read8(p.leakval(backing).add32(0x10));
ptr.backing = backing;
return ptr;
}
function malloc32(sz)
{
var backing = new Uint8Array(0x1000+sz*4);
window.nogc.push(backing);
var ptr = p.read8(p.leakval(backing).add32(0x10));
ptr.backing = new Uint32Array(backing.buffer);
return ptr;
}
var strcpy_helper = new Uint8Array(0x1000);
var where_writeptr_strcpy = p.leakval(strcpy_helper).add32(0x10)...
PS4 Exploit Host Themes Github Repository Introduced by Al Azif
Since Al Azif's PS4 Exploit Host updates, users including @Docta shared some cool Menu Designs with kylum interested in hosting the PlayStation 4 Exploit Host himself... after which PS4 developer @Al Azif shared a pre-release and introduction of a PS4 Exploit Host Themes Github repository! 
Download: ps4-exploit-host-win.zip (4.79 MB) / peh-themes-master.zip / peh-themes-master.zip (Mirror) / GIT
To quote from his post: Pre-release of host where all the HTML is outside of the program. Use /html/exploit.html to edit the main page. Store other files in /static/ and assume they are example.com/static/
I've included the current default page as an example about how to edit it.
And here is a repo for submitting themes. I'm probably going to do like a theme of the week or something on the DNS.
From the README.md: PS4 Exploit Host Themes
What is this?
Theme files for ps4-exploit-host
Tutorial
Download: ps4-exploit-host-win.zip (4.79 MB) / peh-themes-master.zip / peh-themes-master.zip (Mirror) / GIT
To quote from his post: Pre-release of host where all the HTML is outside of the program. Use /html/exploit.html to edit the main page. Store other files in /static/ and assume they are example.com/static/
I've included the current default page as an example about how to edit it.
And here is a repo for submitting themes. I'm probably going to do like a theme of the week or something on the DNS.
From the README.md: PS4 Exploit Host Themes
What is this?
Theme files for ps4-exploit-host
Tutorial
- Coming Soon(tm)
- Clone repo, add your theme, send pull request
- Check contributors
PS4 HEN Enable Updated PlayStation VR Payload with Source Code
I have been messing around with trying to get my VR headset to work with 4.05 for a little while, and because the VR headset is updated to the latest firmware it wouldn't work.
Just recently @XVortex pointed out you can poke a memory value to sort of spoof the system firmware version, so I tried what he said and put together a Enable_VR.bin payload (load the HEN payload and then load the VR payload because the Web exploit will say invalid import map, or use this idc.zip modified IDC exploit to launch it as I have added the 5.05 sections so it does not complain about import map) to poke the offset and found it allowed my VR headset to work.
Update: Ok I sorted out the problem and merged the enable VR mod into XVortex's HEN 1.3 so you can now just run this 1 HEN payload and play VR with the source code below:
Download: ps4-hen-VR.zip (0.01 MB) / ps4-hen-VR.tar.gz (0.05 MB - Source Code) / usb_hen_vr.zip (0.03 MB - for USB Stick) / Ps4_Serve_v1_8.apk / Enable_VR_455.zip / usb_455_vr_enable.zip (0.02 MB) / ps4-hen-VR.zip (0.01 MB) / Enable-VR-50X
I only have 1 VR game to test on at the moment as I have to download the VR games now, but it is Resident Evil 7 and its working with my latest updated VR 3.10 and 4.05 + HEN.
Huge thanks to @XVortex, as you can see this is my VR information:
And this is the game running on VR:
Tested a few more VR...
Just recently @XVortex pointed out you can poke a memory value to sort of spoof the system firmware version, so I tried what he said and put together a Enable_VR.bin payload (load the HEN payload and then load the VR payload because the Web exploit will say invalid import map, or use this idc.zip modified IDC exploit to launch it as I have added the 5.05 sections so it does not complain about import map) to poke the offset and found it allowed my VR headset to work.
Update: Ok I sorted out the problem and merged the enable VR mod into XVortex's HEN 1.3 so you can now just run this 1 HEN payload and play VR with the source code below:Download: ps4-hen-VR.zip (0.01 MB) / ps4-hen-VR.tar.gz (0.05 MB - Source Code) / usb_hen_vr.zip (0.03 MB - for USB Stick) / Ps4_Serve_v1_8.apk / Enable_VR_455.zip / usb_455_vr_enable.zip (0.02 MB) / ps4-hen-VR.zip (0.01 MB) / Enable-VR-50X
I only have 1 VR game to test on at the moment as I have to download the VR games now, but it is Resident Evil 7 and its working with my latest updated VR 3.10 and 4.05 + HEN.
Huge thanks to @XVortex, as you can see this is my VR information:
And this is the game running on VR:
Tested a few more VR...
Discussion of Theories for Newer PS4 Games on 4.05 Firmware
Following the recent PS4 Barthen Method for getting newer games running with PS4HEN, some forum members including @SkysTheLimit, @Goldenboy22 and @Picalo would like to open a discussion of theories on how newer PlayStation 4 game dumps can become playable on exploited 4.05 Firmware consoles. 
We'll use this as an ongoing discussion thread for those who'd like to share their insight and research into getting newer PS4 games with Minimum Firmware Versions above 4.05 OFW dumped and running, which according to Mathieulh is currently the BEST PS4 Firmware to be on as 1.76 is now considered outdated since the 4.05 exploit chain from SpecterDev with popular 4.05 exploit forks and experiments by IDC alongside the PS4 Exploit Host by Al Azif.
Here are links to some current theories from the Barthen Method topic:
We'll use this as an ongoing discussion thread for those who'd like to share their insight and research into getting newer PS4 games with Minimum Firmware Versions above 4.05 OFW dumped and running, which according to Mathieulh is currently the BEST PS4 Firmware to be on as 1.76 is now considered outdated since the 4.05 exploit chain from SpecterDev with popular 4.05 exploit forks and experiments by IDC alongside the PS4 Exploit Host by Al Azif.
Here are links to some current theories from the Barthen Method topic:
- From Goldenboy22
- From SkysTheLimit
- From Picalo
- Follow up by...