Following the previous update, 4.03 PS5 WebKit Exploit, PlayStation 5 Root Keys and AMD Server Vulnerabilities disclosed today Sony pushed live PS5 System Software / Firmware v4.50 Update (Version 21.02-04.50.00) in hopes of keeping the PS5 console stable and secure. 
As always, DON'T UPDATE if you wish to use PS5 Game Backups and PlayStation 5 homebrew apps, emulators, etc whenever a public PS5 Jailbreak Exploit (PS5Jailbreak Status) arrives in the PS5Scene.
Download: PS5 Firmware 04.50.00 Update (US) / PS5 Firmware 04.50.00 Update (EU) / PS5 Firmware 04.50.00 Update (UK) / PS5 Firmware 04.50.00 Update (AU/NZ) / PS5 Firmware 04.50.00 Update (JP)
@NanospeedGamer confirmed on Twitter via a demo video from his YouTube Channel that the current FontFaceSet PS4 / PS5 WebKit (Userland) Exploit is still working on both PS4 9.03 OFW and PS5 4.50 OFW alongside stretch30 as well with a guide on How to Update the PlayStation 5 System Software / Firmware for those willing, and below is the PS5 v4.50 Firmware Update changelog from Sony's official page:
Version: 21.02-04.50.00
Main features in this system software update:
As always, DON'T UPDATE if you wish to use PS5 Game Backups and PlayStation 5 homebrew apps, emulators, etc whenever a public PS5 Jailbreak Exploit (PS5Jailbreak Status) arrives in the PS5Scene.Download: PS5 Firmware 04.50.00 Update (US) / PS5 Firmware 04.50.00 Update (EU) / PS5 Firmware 04.50.00 Update (UK) / PS5 Firmware 04.50.00 Update (AU/NZ) / PS5 Firmware 04.50.00 Update (JP)
@NanospeedGamer confirmed on Twitter via a demo video from his YouTube Channel that the current FontFaceSet PS4 / PS5 WebKit (Userland) Exploit is still working on both PS4 9.03 OFW and PS5 4.50 OFW alongside stretch30 as well with a guide on How to Update the PlayStation 5 System Software / Firmware for those willing, and below is the PS5 v4.50 Firmware Update changelog from Sony's official page:
Version: 21.02-04.50.00
Main features in this system software update:
- This system software update improves system performance.
