Just after publishing important releases, Apple releases first round of betas for next release – iOS/iPadOS 15.4, macOS 12.3, watchOS 8.5 and tvOS 15.4. And this release should be quite big!
This beta finally allows Universal Control to be tested on macOS and iPadOS.

Kernel extensions used by OneDrive and Dropbox are now deprecated in macOS 12.3.
macOS 12.3 introduces new API for screen capturing – ScreenCaptureKit.
iOS now gets Face ID with mask functionality, scanning more face features in eye zone. This option will not work with sunglasses, and requires all typical glasses to be scanned with the mask as well. Face ID with mask is additional to normal Face ID you might set up on your phone. Face ID with mask requires iPhone 12 and newer.
New Face ID with mask authentication does not use Apple Watch and works separately.

iOS and iPadOS 15.4 now allows adding notes to iCloud Keychain passwords. Custom email domains are now supported for iCloud.
iOS now fixes the issues with 120Hz ProMotion display support for third-party apps.
iOS 15.4 will allow adding EU COVID-19 vaccine certificates to Wallet.
tvOS 15.4 will now be able to join Wi-Fi networks with captive portals. iPhone or iPad will be used to enter necessary info. Also, Apple TV app now has “Up Next” widget.
Corresponding HomePod software beta is also released.
Xcode 13.3 beta is also released and introduces couple of interesting Swift features. For example, much waited #unavailable
condition. See release notes for more interesting updates in Xcode.
if #unavailable(iOS 15.0) {
// Old functionality
} else {
// iOS 15 functionality
}
Beta download: Beta Software Downloads
Release notes:
- iOS & iPadOS 15.4 Beta Release Notes
- macOS Monterey 12.3 Beta Release Notes
- watchOS 8.5 Beta Release Notes
- tvOS 15.4 Beta Release Notes
- Xcode 13.3 Beta Release Notes
Reference:
- Apple Seeds First Betas of iOS 15.4 and iPadOS 15.4 to Developers
- Apple Seeds First Beta of macOS Monterey 12.3 to Developers
- Apple Seeds First Beta of watchOS 8.5 to Developers
- Apple Seeds First Beta of tvOS 15.4 to Developers
- iOS 15.4 Beta Lets You Use Face ID With a Mask On
- iPadOS 15.4 and macOS Monterey 12.3 Betas Add Universal Control
- iOS 15.4 beta comes with over 37 new emoji including melting and peeking face, troll, more
- Apple Confirms macOS 12.3 Deprecates Kernel Extensions Used by Dropbox and OneDrive
- iOS 15.4 Adds New Emoji Like Melting Face, Biting Lip, Heart Hands, Troll and More
- macOS 12.3 beta adds new API to improve screen capture features for third-party apps
- Apple Seeds First Betas of iOS 15.4 and iPadOS 15.4 to Developers
- Apple Seeds First Beta of macOS Monterey 12.3 to Developers
- Apple Seeds First Beta of watchOS 8.5 to Developers
- Apple Seeds First Beta of tvOS 15.4 to Developers
- iOS 15.4 Beta Lets You Use Face ID With a Mask On
- iPadOS 15.4 and macOS Monterey 12.3 Betas Add Universal Control
- iOS 15.4 beta comes with over 37 new emoji including melting and peeking face, troll, more
- Apple Confirms macOS 12.3 Deprecates Kernel Extensions Used by Dropbox and OneDrive
- iOS 15.4 Adds New Emoji Like Melting Face, Biting Lip, Heart Hands, Troll and More
- macOS 12.3 beta adds new API to improve screen capture features for third-party apps
- iOS 15.4 beta lets users add notes to their iCloud Keychain passwords
- Everything New in iOS 15.4 and iPadOS 15.4: Face ID With a Mask, Emojis, Apple Card Widget, Universal Control and More
- iOS 15.4’s Face ID With a Mask Feature Requires iPhone 12 or Newer
- Hands-on: Here’s how to use iPhone’s Face ID With a Mask in the iOS 15.4 beta
- Here’s everything new in the first betas of iOS 15.4 and iPadOS 15.4
- Hands-On With Universal Control in iPadOS 15.4 and macOS Monterey 12.3
- iOS 15.4 Will Allow Third-Party Apps to Take Full Advantage of iPhone 13 Pro 120Hz ProMotion Displays
- PSA: Face ID unlock when wearing a mask in iOS 15.4 works with Apple Pay and apps
- iOS 15.4 Beta Adds Support for Setting Up Custom Email Domains With iCloud Mail
- iOS 15.4 and iPadOS 15.4 Beta
- macOS 12.3 Beta
- Notes in Apple’s Password Manager
- tvOS 15.4 beta adds ‘Up Next’ queue to Apple TV video player
- iOS 15.4 Will Let EU Residents Add COVID-19 Vaccine Certificates to Wallet App
Recommendations
Developer:
Try new beta for compatibility issues. Try Universal Control, if applicable.QA engineer:
Try new beta for regressions.PM/DM:
Business as usual.
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