PlayStation 4 Firmware Update 3.5 Walkthrough of all the new features - YouTube
Here Is Why PlayStation 4 Pro Users Are Begging To Be In PS4 Update 4.5 Beta
Increase your PS4's storage with an external hard drive - PowerUp!
According to theflow0 disclosure for BD-JB exploit, here is some table chart which exploit is working and which exploit is not working for each console PS4 and PS5 with their respective firmware :