Proceeding their previous revision and Aapo's HackerOne PlayStation Hacktivity Critical Vulnerability Report, today Sony pushed live PS5 System Software / Firmware 24.02-09.00.00.45-00.00.00.0.1 bringing with this latest PlayStation 5 'stability' update 24.02-09.00.00 new sound and brightness options among the official changes detailed 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... or testing PS5 Game Backup File Dumps and PS4 Fake PKGs (FPKGs) on PS5 with PS5 Hacked consoles using the PS5 4.03 HEN PS4 FPKG Enabler, PS5 4.50 HEN PS4 FPKG Enabler or PS5 4.51 HEN PS4 FPKG Enabler payloads or others using the PS5 Kstuff Porting Tool.
Download: PS5 Firmware 9.00.00 Update (US) / PS5 Firmware 9.00.00 Update (EU) / PS5 Firmware 9.00.00 Update (UK) / PS5 Firmware 9.00.00 Update (AU/NZ) / PS5 Firmware 9.00.00 Update (JP) / Disable PS5 Updates ELF Payload Port / Al Azif's PlayStation Blocklist
Here's the PS5 v9.00.00 Firmware Update changelog from Sony's official page: Version: 24.02-09.00.00
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... or testing PS5 Game Backup File Dumps and PS4 Fake PKGs (FPKGs) on PS5 with PS5 Hacked consoles using the PS5 4.03 HEN PS4 FPKG Enabler, PS5 4.50 HEN PS4 FPKG Enabler or PS5 4.51 HEN PS4 FPKG Enabler payloads or others using the PS5 Kstuff Porting Tool.Download: PS5 Firmware 9.00.00 Update (US) / PS5 Firmware 9.00.00 Update (EU) / PS5 Firmware 9.00.00 Update (UK) / PS5 Firmware 9.00.00 Update (AU/NZ) / PS5 Firmware 9.00.00 Update (JP) / Disable PS5 Updates ELF Payload Port / Al Azif's PlayStation Blocklist
Here's the PS5 v9.00.00 Firmware Update changelog from Sony's official page: Version: 24.02-09.00.00
- We've updated the device software of the DualSense and DualSense Edge wireless controllers to improve their sound features.
- The controller speakers can now produce higher volume sound, allowing you to hear in-game sounds and voice chat audio more clearly.
- The mic input quality on these controllers has been improved with a new AI machine-learning model. Background noise from button presses and game audio are suppressed, resulting in a better voice chat experience.
- You can now adjust the brightness of your PS5's power indicator.
- Go to Settings > System > Beep and Light, and then select Brightness.
- We've added new features in Parties and Share Screen.
- Players watching Share Screen can use pointers and emoji reactions to interact with the host's gameplay.
- Viewers can use a pointer or indicate a specific location on the gameplay screen with ping.
- Viewers can also send emoji reactions.
- This feature is available when the host turns on Viewer Interactions in the Share Screen settings.
- Players watching Share Screen can use pointers and emoji reactions to interact with the host's gameplay.
- Unicode 15.1 emoji is supported. You can now use them in messages.
- We've updated the device software of the DualSense and DualSense Edge wireless controllers, PlayStation VR2 headset, PlayStation VR2 Sense controllers, and Access controller to improve stability.
- We've improved system software performance and stability.
- We've improved the messages and usability on some screens.
