macOS Catalina

macOS Catalina

Version of macOS
Version	10.15
Codename	Jazz
Preliminary name
Architecture	x86_64
Latest build	19H1519
Release date	2019-10-07
Support end	2022-10-24
Replaces
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. The version drops support for devices that can be updated by replacing the graphic cards from OpenGL to Metal, as well as support for 32-bit macOS applications. It is the first version of macOS to support only 64-bit applications and also the final version of macOS to use the major version number of 10. It is the first version of macOS to fully drop support for OpenGL compositing in the compositor library (SkyLight.framework).

New features and changes

• Sidecar, iPad-based screen mirroring
• Project Catalyst, iOS subsystem for macOS
• Siri Shortcuts
• Activation Lock (Only available on Macs that have an Apple T2 security chip)
• Window Snapping
• Music, Podcasts, and Apple TV, replacing iTunes
• iOS device integration in Finder
• Apple Arcade
• Voice Memos
• Automatic dark mode
• 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.
• zsh as the default shell
• Removal of Dashboard
• Removed the ability to add Backgrounds in Photo Booth
• Read-only System Partition

List of known builds

Beta

19A471t (Beta 1)

19A487I (Beta 2)

19A487l (Beta 2 Update 1)

19A487m (Beta 2 Update 2)

19A501i (Beta 3)

19A512f (Beta 4)

19A526h (Beta 5)

19A536g (Beta 6)

19A546d (Beta 7)

19A558d (Beta 8)

19A573a (Beta 9)

19A578c (Beta 10)

Gold Master

19A582a (Beta 11/GM Seed 1)

19A583a (Beta 12/GM Seed 2)

RTM

19A583 (10.15)

19A602 (10.15 Supplemental Update)

19A603 (10.15 Supplemental Update 2)

10.15.1

19B68f (10.15.1 Beta 1)

19B77a (10.15.1 Beta 2)

19B86a (10.15.1 Beta 3)

19B88 (10.15.1)

19B2093 (10.15.1 Supplemental Update 1; RTM for 2019 16-inch MacBook Pro)

19B2106 (10.15.1 Supplemental Update 2)

10.15.2

19C32e (10.15.2 Beta 1)

19C39d (10.15.2 Beta 2)

19C46a (10.15.2 Beta 3)

19C56a (10.15.2 Beta 4)

19C57 (10.15.2)

10.15.3

19D49f (10.15.3 Beta 1)

19D62e (10.15.3 Beta 2)

19D75a (10.15.3 Beta 3)

19D76 (10.15.3)

19D2064 (10.15.3 Supplemental Update, RTM for 2020 MacBook Air)

10.15.4

19E224g (10.15.4 Beta 1)

19E234g (10.15.4 Beta 2)

19E242d (10.15.4 Beta 3)

19E250c (10.15.4 Beta 4)

19E258a (10.15.4 Beta 5)

19E264b (10.15.4 GM)

19E266 (10.15.4)

19E287 (10.15.4 Supplemental Update 1)

19E2265 (10.15.4 Supplemental Update 2, RTM for 2020 13-inch MacBook Pro)

19E2269 (10.15.4 Supplemental Update 3)

10.15.5

19F53f (10.15.5 Beta 1)

19F62f (10.15.5 Beta 2)

19F72f (10.15.5 Beta 3)

19F83c (10.15.5 Beta 4)

19F94a (10.15.5 GM)

19F96 (10.15.5)

19F101 (10.15.5 Supplemental Update)

19F2096 (10.15.5 Supplemental Update 2)

19F2200 (10.15.5 Supplemental Update 3)

10.15.6

19G36e (10.15.6 Beta 1)

19G46c (10.15.6 Beta 2)

19G60d (10.15.6 Beta 3)

19G71a (10.15.6 GM)

19G73 (10.15.6)

19G2005 (10.15.6 Supplemental Update 1, RTM for 2020 27-inch iMac)

19G2006 (10.15.6 Supplemental Update 2)

19G2021 (10.15.6 Supplemental Update 3)

19G2531 (10.15.6 Supplemental Update 4)

10.15.7

19H2 (10.15.7)

19H4 (10.15.7 Supplemental Update 1)

19H15 (10.15.7 Supplemental Update 2)

19H114 (10.15.7 Supplemental Update 3)

19H512 (10.15.7 Supplemental Update 4)

19H524 (10.15.7 Supplemental Update 5)

19H1030 (10.15.7 Supplemental Update 6)

19H1217 (10.15.7 Supplemental Update 7)

19H1323 (10.15.7 Supplemental Update 8)

19H1417 (10.15.7 Supplemental Update 9)

19H1419 (10.15.7 Supplemental Update 10)

19H1519 (10.15.7 Supplemental Update 11)