Today Sony pushed live PS5 System Software / Firmware 23.01-07.40.00.06-00.00.00.0.0 since their previous PS5 OFW revision for those in the PlayStation 5 Scene with further details from the changelog below. 
As always, DON'T UPDATE if you wish to use PS5 Game Backups and PlayStation 5 homebrew apps, emulators, etc whenever a full PS5 Jailbreak Exploit (PS5Jailbreak Status) in the PS5Scene becomes publicly available.
Download: PS5 Firmware 7.40 Update (US) / PS5 Firmware 7.40 Update (EU) / PS5 Firmware 7.40 Update (UK) / PS5 Firmware 7.40 Update (AU/NZ) / PS5 Firmware 7.40 Update (JP)
This comes following the Exploring the PS5 Security Landscape by SpecterDev at Hardwear.io 2023 presentation, and here's the PS5 v7.40 Firmware Update changelog from Sony's official page via MP1st.com: Version: 23.01-07.40.06
Latest system software update for PS5 consoles
System software features on the PS5 console
Version: 23.01-07.40.00

Download: PS5 Firmware 7.40 Update (US) / PS5 Firmware 7.40 Update (EU) / PS5 Firmware 7.40 Update (UK) / PS5 Firmware 7.40 Update (AU/NZ) / PS5 Firmware 7.40 Update (JP)
This comes following the Exploring the PS5 Security Landscape by SpecterDev at Hardwear.io 2023 presentation, and here's the PS5 v7.40 Firmware Update changelog from Sony's official page via MP1st.com: Version: 23.01-07.40.06
Latest system software update for PS5 consoles
System software features on the PS5 console
Version: 23.01-07.40.00
- We've improved system software performance and stability.
- We've improved the messages and usability on some screens.