macOS Catalina — released in October 2019 — marked some major changes to the operating system. Not a single 32-bit app will run on Catalina, as Apple has made everything 64-bit in the OS and its frameworks. It’s the end of the road of older Mac applications, including every one using the Carbon APIs. macOS 10.15 is also the first to support Catalyst, which allows developers to port their iPad apps to the Mac. Also new is SwiftUI, which is Apple’s long-term play to let developers write one app to run across all of Apple’s software platforms.
After 18 years, the kingdom of iTunes has fallen. Three new apps (Music, Podcasts and TV) are here to take over the old title’s various duties.
You can check out my Catalina review here.
Like Mojave before it, Catalina support both Light and Dark Modes, but Apple has added an “Auto” appearance that changes the desktop wallpaper, mode and Night Shift white balance as the day progresses. There are actually eight variants of the default wallpaper, which you can see here.
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Appearance & Accent Combinations
Morning: Blue
Morning: Purple
Morning: Pink
Morning: Red
Morning: Orange
Morning: Yellow
Morning: Green
Morning: Graphite
Day: Blue
Day: Purple
Day: Pink
Day: Red
Day: Orange
Day: Yellow
Day: Green
Day: Graphite
Evening: Blue
Evening: Purple
Evening: Pink
Evening: Red
Evening: Orange
Evening: Yellow
Evening: Green
Evening: Graphite
Dark: Blue
Dark: Purple
Dark: Pink
Dark: Red
Dark: Orange
Dark: Yellow
Dark: Green
Dark: Graphite
Light Mode
Desktop
About This Mac
System Information
Stacks
Desktop Stacks
Apple Menu
Finder Menu
Go Menu
Finder: Go to Folder
Finder: Connect to Server
Finder: Network
Finder: Home
Finder: Gallery View
Finder: Quick Look
Finder: Quick Look Markup
Finder: Get Info
Finder: Search
Applications
Application: Utilities
Menu Bar: Battery
App Switcher
Force Quit
Finder: Copy
Finder: Replace
Finder: Empty Trash
Finder: Eject Warning
Fast User Switching
Fast User Switching: Log In Window
Spotlight
Spotlight: More Results
Mission Control
Menu Bar: Time Machine
Time Machine
Launchpad
Launchpad: Folder
Fullscreen App
Split Screen Apps
Notification Center: Today
Notification Center: Notifications
Dictation
Siri
Storage Management
TextEdit
TextEdit: Open
TextEdit: Open: iCloud
Activity Monitor
AirPort Utility
Automator
Books
Boot Camp Assistant
Calculator
Calendar
Calendar: Preferences
Chess
Console
Contacts
Dictionary
Disk Utility
FaceTime
Find My
Font Book
Help
Help: Search
Home
Keychain Access
Mac App Store
Mail
Mail: Preferences
Maps
Messages
Music
Music: Preferences
Network Utility
News
Notes
PhotoBooth
Photos
Podcasts
Podcasts: Preferences
Preview: Search
Preview
Print
QuickTime
Reminders
Safari 13
Safari 13: Favorites
Safari 13: Picture in Picture
Safari 13: Preferences
Safari 13: Reader Mode
Safari 13: Sharing
Safari: Tab Overview
Script Editor
Stickies
Stocks
TV
TV: Preferences
Voice Memos
System Preferences
System Preferences: Accessibility
System Preferences: Apple ID
System Preferences: Bluetooth
System Preferences: Date & Time
System Preferences: Desktop & Screen Saver
System Preferences: Displays
System Preferences: Dock
System Preferences: Energy Saver
System Preferences: Extensions
System Preferences: Family Sharing
System Preferences: General
System Preferences: Internet Accounts
System Preferences: Keyboard
System Preferences: Language & Region
System Preferences: Mission Control
System Preferences: Mouse
System Preferences: Network
System Preferences: Notifications
System Preferences: Printers & Scanners
System Preferences: Screen Time
System Preferences: Security & Privacy
System Preferences: Sharing
System Preferences: Sidecar
System Preferences: Siri
System Preferences: Software Update
System Preferences: Sound
System Preferences: Spotligh
System Preferences: Startup Disk
System Preferences: Time Machine
System Preferences: Touch ID
System Preferences: Trackpad
System Preferences: Users & Groups
System Preferences: Wallet & Apple Pay
Dark Mode
Desktop
About This Mac
System Information
Stacks
Desktop Stacks
Apple Menu
Finder Menu
Go Menu
Finder: Go to Folder
Finder: Connect to Server
Finder: Network
Finder: Home
Finder: Gallery View
Finder: Quick Look
Finder: Quick Look Markup
Finder: Get Info
Finder: Search
Applications
Applications: Utilities
Menu Bar: Battery
App Switcher
Force Quit
Finder: Copy
Finder: Replace
Finder: Empty Trash
Finder: Eject Warning
Fast User Switching
Fast User Switching: Log In Window
Spotlight
Spotlight: More
Mission Control
Menu Bar: Time Machine
Time Machine
Launchpad
Launchpad: Folder
Fullscreen App
Split Screen Apps
Notification Center: Today
Notification Center: Notifications
Dictation
Siri
Storage Management
TextEdit
TextEdit: Open
TextEdit: Open: iCloud
Print
AirPort Utility
Automator
Books
Boot Camp Assistant
Calculator
Calendar
Calendar: Preferences
Chess
Console
Contacts
Dictionary
Disk Utility
FaceTime
Find My
Font Book
Help
Help: Search
Home
Keychain Access
Mac App Store
Mail
Mail: Preferences
Maps
Messages
Music
Music: Preferences
Network Utility
News
Notes
PhotoBooth
Photos
Podcasts
Podcasts: Preferences
Preview
Preview: Search
QuickTime
Reminders
Script Editor
Stickies
Stocks
Safari 13
Safari 13: Favorites
Safari 13: Picture in Picture
Safari 13: Preferences
Safari 13: Reader Mode
Safari 13: Sharing
Safari 13: Tab Overview
TV
TV: Preferences
Voice Memos
System Preferences
System Preferences: Accessibility
System Preferences: Apple ID
System Preferences: Bluetooth
System Preferences: Date & Time
System Preferences: Desktop & Screen Saver
System Preferences: Displays
System Preferences: Dock
System Preferences: Energy Saver
System Preferences: Extensions
System Preferences: Family Sharing
System Preferences: General
System Preferences: Internet Accounts
System Preferences: Keyboard
System Preferences: Language & Region
System Preferences: Mission Control
System Preferences: Mouse
System Preferences: Network
System Preferences: Notifications
System Preferences: Printers & Scanners
System Preferences: Screen Time
System Preferences: Security & Privacy
System Preferences: Sharing
System Preferences: Sidecar
System Preferences: Siri
System Preferences: Software Update
System Preferences: Sound
System Preferences: Spotlight
System Preferences: Startup Disk
System Preferences: Time Machine
System Preferences: Touch ID
System Preferences: Trackpad
System Preferences: Users & Groups
System Preferences: Wallet & Apple Pay
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View all entries in the Aqua Screenshot Library or check out OS X’s default wallpapers, updated for 5K Retina displays.
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