Here’s the official 8.50 PS4 Firmware Changelog from Sony’s page: PlayStation 4 system software update Version 8.50 Main features in the system software update
- In (Party), you can now enjoy Share Play with players on PS5.
- In (Messages), you can now turn notifications on or off for each of the groups you’re in. On the group screen, open the options menu and select [Turn Notifications Off].
Other updated features
- On the game session details screen, you can now use the [Request to Join] button to ask the session leader to join their game session. The session leader can then send you an invite to join the game session.
- When playing a game you’ve hidden, other players will no longer see that you’re currently playing that game.
- We’ve updated the file format for extended storage. When you connect an extended storage device, its file format will be updated. After that, you won’t be able to use the device on a PS4 that has a previous version of the system software.
- (Communities) is no longer available.
JAILBREAK AND DOWNGRADE WILL BE UPDATED SOON FOR VERSION 8.50