macOS Catalina 10.15.4 (19E266)

macOS Catalina gives you more of everything you love about Mac. Experience three all-new media apps: Apple Music, Apple TV, and Apple Podcasts. Locate a missing Mac with the new Find My app. And now coming to Mac, your favorite iPad apps. You can even extend your desktop using iPad as a second display. Now you can take everything you do above and beyond.

Features

Apple Music

• Stream and download over 50 million songs with an Apple Music subscription.
• Access the iTunes Store to purchase songs or albums.
• Find all the music you’ve purchased, downloaded, or imported from CDs organized in the improved library.

Apple TV

• Buy or rent the latest movie releases.
• Subscribe to Apple TV channels to watch popular shows on demand and ad-free, online or off.
• Start watching on one device and pick up where you left off on any of your other devices, including Apple TV, iPhone, iPad, and compatible smart TVs.

Apple Podcasts

• Find podcasts by title, topic, guest, host, and content.
• Subscribe to your favorite podcasts to receive the latest episodes automatically.
• Begin listening to an episode on your Mac, then seamlessly resume on your iPhone, iPad, or Apple Watch when you’re on the go.

Syncing and backup

• Sync content and back up, update, and restore software from the Finder when you connect your iPhone or iPad to your Mac.

App Store with Apple Arcade

• Play 100 groundbreaking new games with one subscription — no ads or additional purchases.
• Browse the latest games, personalized recommendations, and exclusive editorial content in the all-new Arcade tab on the App Store.
• Enjoy games across iPhone, iPod touch, iPad, Mac, and Apple TV.

Mac Catalyst

• Enjoy a new class of Mac apps built from your favorite iPad titles.

Sidecar

• Expand your Mac workspace by using your iPad as a second display.
• Place one app on each screen, or put your main canvas on your Mac and your tools and palettes on your iPad.
• Use Apple Pencil for tablet input when using your favorite creative pro Mac apps.

Continuity Sketch and Markup

• Create a sketch on your iPad or iPhone and insert it into any document on your Mac.
• Use your iPad or iPhone to sign a PDF or mark up a screenshot on your Mac.

Accessibility

• Control your Mac entirely with your voice using Voice Control.
• Enable Hover Text to display large, high-resolution text in a dedicated window.
• Zoom in closely on one screen when using two displays for improved legibility with Zoom Display.

Security

• Feel secure knowing that the apps you use have been checked by Apple for known malware.
• Authorize access to data when apps request it using new data protections.

Find My

• Keep track of your devices and find friends and family with an easy-to-use new app.
• Help locate devices even if they’re not connected to Wi-Fi or cellular.
• Use Activation Lock to protect Mac models with the Apple T2 Security Chip.

Photos

• Enjoy a new immersive, dynamic experience that showcases your best photos and memories.
• View Memory Movies and edit their duration, mood, and title.

Safari

• Browse using an updated start page that surfaces sites from your history, bookmarks, reading list, iCloud Tabs, and even links sent to you in Messages.
• Help secure your accounts using strong passwords suggested by Safari.

Notes

• View notes as visual thumbnails in gallery view.
• Enjoy a more powerful search that recognizes text in items you’ve scanned and objects within images.
• Share an entire folder of notes using shared folders.

Reminders

• Use new edit buttons to add dates, locations, flags, attachments, and more to reminders.

Mail

• Take control of your inbox by muting a thread, blocking a sender, or unsubscribing from a mailing list.

Screen Time

• Gain insight into time spent using apps and websites and set usage limits.
• Set up Family Sharing to use Screen Time with your family’s devices.

Installation Notes

Enabling the installation of third-party applications.

sudo spctl --master-disable

Creating a bootable flash drive

Where USB is your USB flash drive, in Mac OS Extended (Magazine) format of at least 8 Gb.

sudo /Applications/Install macOS 10.15 Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/USB

What’s New in macOS Catalina 10.15.4 (19E266)

macOS Catalina 10.15.4 introduces iCloud Drive folder sharing, Screen Time communications limits, Apple Music time-synced lyrics view, and more. The update also improves the stability, reliability, and security of your Mac.

Finder

• iCloud Drive folder sharing from Finder
• Controls to limit access only to people you explicitly invite, or to grant access to anyone with the folder link
• Permissions to choose who can make changes and upload files and who can only view and download files

Screen Time

• Communication limits for controlling who your children can communicate with and be contacted by throughout the day and during downtime
• Playback control of music videos for your children

Music

• Time-synced lyrics view for Apple Music, including the ability to jump to your favorite part of a song by clicking a line in lyrics view

Safari

• Option to import Chrome passwords into your iCloud Keychain for easy AutoFill of your passwords in Safari and across all your devices
• Controls for duplicating a tab and for closing all tabs to the right of the current tab
• HDR playback support on compatible computers for Netflix content

App Store with Apple Arcade

• Universal Purchase support enables the use of a singular purchase of a participating app across iPhone, iPod touch, iPad, Mac, and Apple TV
• Recently played Arcade games appear in the Arcade tab so you can continue playing on iPhone, iPod touch, iPad, Mac, and Apple TV

Pro Display XDR

• Customized reference modes that you can tailor to specific workflow needs by selecting from several color gamut, white point, luminance, and transfer function options

Accessibility

• Head pointer preference for moving a cursor on the screen based on the precise movements of your head

This update also includes bug fixes and other improvements.

• High Dynamic Range output to HDR10-compatible third-party displays and TVs connected with DisplayPort or HDMI
• OAuth authentication support with Outlook.com accounts for improved security
• CalDav migration support when upgrading to iCloud reminders on a secondary device
• Resolves an issue where text copied between apps may appear invisible when Dark Mode is active
• Fixes an issue in Safari where a CAPTCHA tile may display incorrectly
• Resolves an issue where Reminders may send notifications for completed reminders
• Fixes an issue with screen brightness for the LG UltraFine 5K display after waking from sleep

Screenshots