The main emphasis is on stability. According to official data, the update has improved performance, as well as made changes to the notification system and made it easier to use individual screens.
Users will not receive new features, but the console will become more reliable. Previously, version 12.50 also focused on optimization. Owners who actively use messages will notice slight improvements, although Sony did not disclose details.
Thus, the company extends the life of the PS4, increasing system security and reducing the risk of vulnerabilities, including a possible jailbreak. Probably, future updates will primarily focus on the stability and protection of the console.