previous update, today PlayStation 4 developer @MODDEDWARFARE released PS4 AIO v1.6.0 with 4.55 Firmware Support in both an Installer and Portable version on his new Twitter account!
Download: PS4-AIO-Setup 1.6.0.exe (43.1 MB) / PS4-AIO Portable 1.6.0.zip (42.7 MB)
Also below is a new video from his YouTube Channel showing multiple methods of hosting the PlayStation 4 4.55 exploit locally for those following along.
How to Host the 4.55/4.05 Exploit Locally
PS4 SPRX PoC