The primary motivation for avoiding version 13.02 is the "Jailbreak." Most stable PS4 exploits currently target firmware 9.00 or 11.00. These exploits allow for:
Game Backups: Playing copies of owned media to reduce wear on the disc drive. ps4 downgrade 1302 upd
The only proven way to downgrade a PS4 involves complex hardware modification. This process is known as the "Syscon Revert." The primary motivation for avoiding version 13