Notes and Known Issues
General
Resolved Issues
Updating from iOS 10.2 and earlier to iOS 12 beta 3 via iTunes is not supported.
The Weather widget isn't functional in iOS 12 beta 3.
Universal Links might not open the expected target app. Please submit a bug report if you experience this problem.
3rd Party Apps
New Issues
Fortnite might unexpectedly quit during use.
Resolved Issues
Taobao might unexpectedly quit on launch.
Twitter might display a blank login screen.
Skype might unexpectedly quit after logging in.
Known Issues
Netflix might unexpectedly quit when downloading a video.
Accessibility
Resolved Issues
Notification action buttons might become illegible when Increase Contrast settings are enabled.
Activity
Known Issues
The route map for a workout might be unavailable.
AirPods
Resolved Issues
Playback might not pause when only one of the AirPods is removed from your ears.
Calendar
New Issues
While in Day view, an event might appear on an unexpected date.
Workaround: Switch to Week or Month view then back to Day view. Alternatively, quit and relaunch Calendar.
CarPlay
Resolved Issues
CarPlay might not connect to certain vehicles.
HomeKit
New Issues
Inviting iOS 11 users who have multiple email addresses associated with their Apple ID to a home might not succeed.
Workaround: Send the invitation to a different email address or phone number associated with the Apple ID of the iOS 11 user.
iWork
Resolved Issues
The navigation button isn't present in the Share Options sheet while using the Add People feature.
Localization
New Issues
Certain languages might exhibit clipped or misaligned layout.
Certain languages might display unlocalized text.
Phone and FaceTime
New Issues
Your device might not register for iMessage and FaceTime using your phone number.
Workaround: Restart your device.
Resolved Issues
FaceTime might unexpectedly quit on launch.
Some FaceTime video calls might be interrupted by a 'poor connection' message.
If a user attempts to enable a SIM PIN the iOS device will lose cellular service.
Automatic enlargement of the speaker’s tile during a Group FaceTime call is not enabled while using external headphones.
Voicemail notifications might be inconsistent and not appear when the device is locked.
Known Issues
Group FaceTime calls cannot be initiated between iOS 12 beta 3 and the first iOS 12 beta release.
Workaround: Users should update to iOS 12 beta 3.
iPod touch (6th generation), iPhone 5s, iPhone 6, iPhone 6 Plus, iPad mini 2, iPad mini 3, and iPad Air support only audio (no video) during Group FaceTime calls in iOS 12 beta.
In iOS 12 beta, Camera Effects in Messages is available only on iPhone SE and iPhone 6s or later and is unavailable on iPad. Camera Effects in FaceTime is available only on iPhone 7 or later and is unavailable on iPad.
Wi-Fi calls might end unexpectedly when transitioning from Wi-Fi to cellular while on the T-Mobile network.
Screen Time
New Issues
Screen Time data might not synchronize across iOS devices.
Resolved Issues
When Family Sharing is enabled for an iCloud account, only family members designated Parent/Guardian may disable Screen Time on their device.
To enable a Restrictions Passcode on a Child device where the Child has enabled Screen Time, the Parent/Guardian must first disable Screen Time on the Child device and reenable Screen Time from the Parent/Guardian device.
When 'Ask For More' is enabled on a Child device, entering the passcode on the Child device to approve more time still results in a prompt on the Parent/Guardian device.
When 'Ask For More' is not enabled on a Child device, tapping ‘Ignore Limit’ prompts for the Screen Time passcode.
If a Child account wishes not to share Screen Time usage with Parent/Guardian accounts, they should either become a Parent/Guardian or leave the iCloud family.
Known Issues
"Picked Up Phone" statistics might be inflated due to data syncing from other devices signed into the same iCloud account.
Screen Time website usage for a child won't be displayed on the parent's device, but can be read on the child's device.
The default Always Allowed apps will not be allowed in Downtime until after tapping Settings > Screen Time > Always Allowed to refresh the list of apps.
Use only numbers when creating a Screen Time passcode or it might become impossible to enter the passcode.
Siri
Resolved Issues
When Siri's language is set to Chinese, Japanese, or Korean it isn't possible to set up "Hey Siri".
When a user connects a playback device such as headphones, the Media Player UI might not display artwork.
When recording a custom Shortcuts phrase, the user might not be able to tap Done to save the Shortcut.
Messages might not launch when tapping on message content.
Known Issues
Adding shortcuts to Siri might fail for shortcuts with images in PDF format.
Workaround: Use another image format.
Siri Suggestions for Shortcuts are enabled on iPhone 6s or later, iPad Pro, iPad (5th generation or later), iPad Air 2, and iPad mini 4.
Spotlight
New Issues
When searching via Spotlight, internet results might unexpectedly be ranked higher than local results.
USB Accessories
New Features
To improve security, iOS 12 beta might require you unlock your passcode-protected iPhone, iPad, or iPod touch in order to connect it to a Mac, PC, or USB accessory.
If you use iPod Accessory Protocol (iAP) USB accessories over the Lightning connector (such as CarPlay, assistive devices, charging accessories, or storage carts) or you connect to a Mac or PC you might need to unlock your device to recognize the accessory. If you don't unlock your device it will not communicate with the accessory or computer, and it will not charge. Note that you don't need to unlock your device to charge using an Apple USB power adapter.
If a USB accessory is not recognized after you unlock your device, disconnect it, unlock your device, and reconnect the accessory.
If you normally use a USB assistive device to enter your passcode, you might allow it to communicate with your device while it is locked by enabling "USB Accessories" in Settings > Face ID/Touch ID & Passcode.
Voice Memos
Known Issues
Voice Memos don't sync to iTunes.
Wallet
Known Issues
Wallet might unexpectedly quit on launch.
Workaround: Use the application switcher to quit Wallet then try launching it again.
