macOS Catalina

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macOS Catalina
Version of macOS
Placeholder.png
Version10.15
CodenameCatalina
Preliminary name
Architecturex86_64
Latest build
Release date2019-10-07
Support end2022-09
Replaces
macOS Mojave (10.14)

macOS Catalina (10.15) is a version of macOS that was released on 2019-10-07. This version drops support for 32-bit Macintosh applications.

Features[edit | edit source]

  • Sidecar, iPad-based screen mirroring
  • Project Catalyst, iOS subsystem for macOS
  • Siri Shortcuts
  • Window Snapping
  • Music, Podcasts, and TV apps, replacing iTunes
  • iOS device integration in Finder
  • Support for the Mac Pro (2019)
  • zsh as the default shell
  • Removal of Dashboard
  • Read-only System Partition
  • Apple Arcade

Builds[edit | edit source]

Beta[edit | edit source]

Confirmed build 19A471t (Beta 1)
Confirmed build 19A487l (Beta 2)
Confirmed build 19A501i (Beta 3)
Confirmed build 19A512f (Beta 4)
Confirmed build 19A526h (Beta 5)
Confirmed build 19A536g (Beta 6)
Confirmed build 19A546d (Beta 7)
Confirmed build 19A558d (Beta 8)
Confirmed build 19A573a (Beta 9)
Confirmed build 19A578c (Beta 10)

RTM[edit | edit source]

Confirmed build 19A583
Confirmed build 19A602 (10.15 Supplemental Update)

10.15.1[edit | edit source]

Confirmed build 19B68f (10.15.1 Beta 1)
Confirmed build 19B77a (10.15.1 Beta 2)
Confirmed build 19B86a (10.15.1 Beta 3)
Confirmed build 19B88

10.15.2[edit | edit source]

Confirmed build 19C57
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