macOS Catalina

macOS Catalina
Version of macOS
MacOS 10.15 19A583 Desktop.png
Preliminary name
Latest build19H2026
Release date2019-10-07
Support end2022-10-24
macOS Mojave
Replaced by
macOS Big Sur

macOS Catalina, or macOS 10.15, is the sixteenth major release of macOS that was released on 7 October 2019. It was announced on 3 June 2019 at WWDC. This version drops support for 32-bit macOS applications, as well as support for the OpenGL compositing in the compositor library (SkyLight.framework). This version drops support for devices that can be updated by replacing the graphic cards from OpenGL to Metal. It is the final version of macOS to use the major version number of 10.

New features and changes[edit | edit source]

  • Sidecar, an iPad-based screen mirroring tool
  • Project Catalyst, an iOS subsystem for macOS
  • Replaced iTunes with the Music, Podcasts, and Apple TV apps
  • iOS device integration in Finder for backing up and restoring
  • Activation Lock for devices that have an Apple T2 security chip
  • Window Snapping in full-screen mode
  • Voice Memos app
  • Apple Arcade
  • Siri Shortcuts
  • Automatic dark mode
  • zsh as the default shell in Terminal
  • Read-only System Partition
  • Removal of Dashboard
  • Removed the ability to add Backgrounds in Photo Booth
  • Support for Intel Ice Lake, Comet Lake-S, Cascade Lake-W processors and support for Intel Ice Lake iGPU and AMD Radeon RDNA1 graphics cards.

Hardware compatibility[edit | edit source]

macOS Catalina is officially compatible with the following Macs:

  • iMac (Late 2012 and later)
  • iMac Pro (2017)
  • MacBook (Early 2015 and later)
  • MacBook Air (Mid 2012 and later)
  • MacBook Pro (Mid 2012 and later)
  • Mac mini (Late 2012 and later)
  • Mac Pro (Late 2013 and later)

List of known builds[edit | edit source]

10.15.0[edit | edit source]

10.15.1[edit | edit source]

10.15.2[edit | edit source]

10.15.3[edit | edit source]

10.15.4[edit | edit source]

10.15.5[edit | edit source]

10.15.6[edit | edit source]

10.15.7[edit | edit source]

Security Updates[edit | edit source]

2020-001[edit | edit source]

2021-001[edit | edit source]

2021-002[edit | edit source]

2021-003[edit | edit source]

2021-004[edit | edit source]

2021-005[edit | edit source]

2021-006[edit | edit source]

2021-007[edit | edit source]

2021-008[edit | edit source]

2022-001[edit | edit source]

2022-002[edit | edit source]

2022-003[edit | edit source]

2022-004[edit | edit source]

2022-005[edit | edit source]