Just yesterday, Sony rolled out a firmware update for the PS3, which seems to be for movie playback features more than anything else. Today, though, the company rolled out a change for the MyPlayStation web browser features, and this one actually touches on features to be removed soon!
The PlayStation.com website has been updated today, and it mentions that the MyPlayStation web features such as Parties, Friends, Trophies, and more will be pulled on June 28, 2021!
As of 28th June 2021, the web feature MyPlayStation will no longer be supported. You can continue to access your Game Library, Parties, Friends, Trophies, Profile information on your PS4 and PS5 consoles, or via mobile on PS App. The Profile and Game Library information will also be available via web on the profile menu dropdown