WWDC26: Q&As on the Apple Developer Forums

Apple experts will be here on the forums to answer your questions on a variety of tools and technologies throughout the week of WWDC26.

Browse the forums Q&A schedule and sign up now

Overview

Accessibility & Inclusion

Explore best practices for creating inclusive apps for users of Apple accessibility features and users from diverse backgrounds.

General

iOS 26 regression: `DeviceActivityEvent`: `eventDidReachThreshold` called immediately (instead of waiting till threshold is reached)

49s

Nearby Interactions, wih camera assistance

11m

Please make Siri a real search engine

20h

App & System Services

Delve into the world of built-in app and system services available to developers. Discuss leveraging these services to enhance your app's functionality and user experience.

Wallet Widgets & Live Activities Tap to Pay on iPhone SwiftData Automation & Scripting Core OS Drivers General Hardware Networking Processes & Concurrency iCloud Health & Fitness Maps & Location Notifications StoreKit Apple Pay

HealthKit Blood Pressure authorization broken on iOS 26.5 RC

40m

Unable to invalidate interval: no data source available error when fetching steps using HKStatisticsCollectionQuery

41m

Sleep onset detection on watchOS: viable non-workout paths and CMSensorRecorder behavior

41m

App Store Distribution & Marketing

Navigate the App Store landscape. Share strategies for app submission, distribution, marketing, and user acquisition. Discuss best practices for getting your app discovered and downloaded.

General TestFlight App Store Connect App Store Connect API App Review

Apple reviewed the wrong app

19m

Submission stuck in "Waiting for Review" for 4+ days after resubmission

19m

App completely stuck in "Waiting for Review" queue for 2 months

20m

Business & Education

Explore the intersection of business and app development. Discuss topics like device management, education, and resources for aspiring app developers.

General Device Management

Enterprise WatchOS App Won't Install on WatchOS 26.5

34m

What is the reliable approach to fetch a consistent and complete list of installed applications?

Unable to renew Apple Developer subscription using managed Apple Account

Code Signing

Demystify code signing and its importance in app development. Get help troubleshooting code signing issues and ensure your app is properly signed for distribution.

General Certificates, Identifiers & Profiles Notarization Entitlements

Can't add /Users/wes/code/wesbiggs/appclip-autologin/app/autologin.xcodeproj Entitlement com.apple.developer.pass-type-identifiers not found and could not be included in profile. This likely is not a valid entitlement and should be removed from your

56m

Patience had gone! Watting for nearly two months to get Family Controls Distribution entitlement, but still NO RESPONSE

Notarization rejected with statusCode 7000 "Team is not yet configured for notarization"

Community

This is a dedicated space for developers to connect, share ideas, collaborate, and ask questions. Introduce yourself, network with other developers, and join us in fostering a supportive community.

Apple Developers Apple Arcade Swift Student Challenge TestFlight

Unable to Enroll to Apple Developer Program

21m

MacOS 26.4 beta “Failed to prepare software update”

Apple Developer Enrollment Pending Since Jan 31 – No Response from Support

Developer Tools & Services

Dive into the vast array of tools, services, and support available to developers.

General Instruments Swift Playground Xcode Xcode Cloud Developer Forums Apple Developer Program

Xcode always shows error "Error Downloading Crash Log Information" when trying to download crash logs

Enrollment not being processed

16m

Incorrect Developer Account Address is blocking Tax Forms and Paid Apps Agreement

33m

Design

Explore the art and science of app design. Discuss user interface (UI) design principles, user experience (UX) best practices, and share design resources and inspiration.

General

How to align a newly opened volumetric window with the center of an existing 2D window in visionOS?

17h

Unintended X-axis layout shift of a Button when sibling views animate and keyboard appears

Tags and Color folder

Graphics & Games

Delve into the world of graphics and game development. Discuss creating stunning visuals, optimizing game mechanics, and share resources for game developers.

TabletopKit General Metal GameKit SceneKit SpriteKit RealityKit

PhotogrammetrySession(input: [PhotogrammetrySample]) Hangs or terminates

Apple API "CGDisplayCopyAllDisplayModes provides resolution list which does not match with system resolution for the external monitors.

Machine Learning & AI

Explore the power of machine learning and Apple Intelligence within apps. Discuss integrating features, share best practices, and explore the possibilities for your app here.

Apple Intelligence Foundation Models Core ML Create ML General

_FusedMatMul with [BiasAdd, Relu] produces incorrect results in graph mode on Metal GPU

Will the upcomming Mac Book Pro M6 Max has at least 256GB RAM

When will mps support fp8 dtypes?

Media Technologies

Explore the integration of media technologies within your app. Discuss working with audio, video, camera, and other media functionalities.

Photos & Camera Audio General Streaming Video

Facing issues with response from Fairplay SDK based service

13h

AVSpeechSynthesisVoice.speechVoices() - different behavior on Mac (Designed for iPhone) and iOS and MANY errors checking .audioFileSettings properties.

Android Music SDK published to maven

Privacy & Security

Prioritize user privacy and data security in your app. Discuss best practices for data handling, user consent, and security measures to protect user information.

current security support for OS

QuickLookAR shares the actual USDZ model instead of the original website URL — critical copyright and data leak issue on iOS 26

Sharing ScreenTime data to a custom server

Programming Languages

Dive into the world of programming languages used for app development.

Swift General

The Swift Programming Language Book

Timeline on C23 adoption in libSystem

Passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution

UI Frameworks

Explore the various UI frameworks available for building app interfaces. Discuss the use cases for different frameworks, share best practices, and get help with specific framework-related questions.

SwiftUI General UIKit AppKit

PDFPageAnalyzerV2 causes recursive os_unfair_lock crash (EXC_BREAKPOINT) on iPadOS 26.5 with PDFView singlePageContinuous

20m

iOS 26 WKWebView STScreenTimeConfigurationObserver KVO Crash

36m

Incorrect system color on popover view, and does not update while switching dark mode on iOS 26 beta 3

Safari & Web

Explore the integration of web technologies within your app. Discuss building web-based apps, leveraging Safari functionalities, and integrating with web services.

General

Major Bug - Screen Time Bypass: WebSheet/PWA navigation stack fails to enforce Downtime on back-swipe

20h

Major Screen Time Bypass BUG: WebSheet/PWA navigation stack fails to enforce Downtime on back-swipe

22h

WebKit WKScreenTimeConfigurationObserver Crash in iOS26.2

Spatial Computing

Discuss spatial computing on Apple platforms and how to design and build an entirely new universe of apps and games for Apple Vision Pro.

Foveated Streaming & Spatial Tracking 3D Content Reality Composer Pro General ARKit

What does `ARWorldTrackingTechnique: resource constraints [33]` mean?

19h

ARKit ARCamera.intrinsics changes between frames: what can affect fx/fy/cx/cy?

ARKit World Tracking Drift Regression on LiDAR-Equipped Devices - iOS 26.4+