Apple has released software updates including new security features and bug patches.

The updates address a zero-day vulnerability in Apple's operating systems and Safari web browser.

Chinese authorities have used known vulnerabilities in Apple's AirDrop for law enforcement purposes.

New feature, 'Stolen Device Protection', requires biometric authentication and a PIN code to access sensitive data on stolen iPhones.

Updates also include new features and improvements for Apple Music, Unity wallpaper, AirPlay, and crash detection on specific iPhone models.

Concerns exist about zero-day vulnerabilities in Apple's WebKit browser engine for Safari.

Users are advised to promptly update their systems and familiarize themselves with the new security measures.