Macos Catalina 10.15.1 (19b88) Update Only Apr 2026

: Introduced support for AirPlay 2-enabled speakers within Home app scenes and automations. Privacy and Security Improvements

Released on October 29, 2019, the update marked a significant first point release for the Catalina operating system. This massive update, weighing in at approximately 4.49 GB , introduced essential hardware support and long-awaited privacy controls. Key Features and Hardware Support macOS Catalina 10.15.1 (19B88) Update Only

: Users could now privately capture and view encrypted video from security cameras with intelligent detection for people, animals, and vehicles. : Introduced support for AirPlay 2-enabled speakers within

: Restored the ability to view filenames in the "All Photos" view and brought back essential filtering options (favorites, videos, keywords) in the "Days" view. Key Features and Hardware Support : Users could

: Added a convenient two-finger swipe gesture for easier back navigation.

: Apple added over 70 new or updated emoji , including gender-neutral options, various skin tones for couples, and accessibility-themed icons like wheelchairs and service dogs. Home App Upgrades :