macOS Catalina

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macOS Catalina
Version of macOS
MacOS 10.15 19A583 Desktop.png
Version10.15
CodenameCatalina
Preliminary name
Architecturex86_64
Latest build
Release date2019-10-07
Support end2022-09
Replaces
macOS Mojave (10.14)
Replaced by
macOS Big Sur (11.x)

macOS Catalina (10.15) is a version of macOS that was released on 7 October 2019. This version drops support for 32-bit Macintosh applications.

It is also the last version of macOS to use 10.x as the version number.

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]

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

Gold Master[edit | edit source]

Leaked build 19A582a (Beta 11/GM Seed)

RTM[edit | edit source]

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

10.15.1[edit | edit source]

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

10.15.2[edit | edit source]

Leaked build 19C32e (10.15.2 Beta 1)
Leaked build 19C39d (10.15.2 Beta 2)
Leaked build 19C46a (10.15.2 Beta 3)
Leaked build 19C56a (10.15.2 Beta 4)
Leaked build 19C57

10.15.3[edit | edit source]

Leaked build 19D49f (10.15.3 Beta 1)
Leaked build 19D62e (10.15.3 Beta 2)
Leaked build 19D75a (10.15.3 Beta 3)
Leaked build 19D76

10.15.4[edit | edit source]

Leaked build 19E224g (10.15.4 Beta 1)
Leaked build 19E234g (10.15.4 Beta 2)
Leaked build 19E242d (10.15.4 Beta 3)
Leaked build 19E250c (10.15.4 Beta 4)
Leaked build 19E258a (10.15.4 Beta 5)
Leaked build 19E264b (10.15.4 Beta 6)
Leaked build 19E266
Leaked build 19E287 (10.15.4 Supplemental Update)

10.15.5[edit | edit source]

Leaked build 19F53f (10.15.5 Beta 1)
Leaked build 19F62f (10.15.5 Beta 2)
Leaked build 19F72f (10.15.5 Beta 3)
Leaked build 19F83c (10.15.5 Beta 4)
Leaked build 19F94a (10.15.5 Beta 5)
Leaked build 19F96
Leaked build 19F101 (10.15.5 Supplemental Update)

10.15.6[edit | edit source]

Leaked build 19G36e (10.15.6 Beta 1)
Leaked build 19G46c (10.15.6 Beta 2)
Leaked build 19G60d (10.15.6 Beta 3)
Leaked build 19G71a (10.15.6 Beta 4)
Leaked build 19G73
Leaked build 19G2021 (10.15.6 Supplemental Update)

10.15.7[edit | edit source]

Leaked build 19H2
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