Technotes

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Discuss content from Technotes — focused, timely documents from Apple Developer Technical Support that explore a wide range of development topics. This tag is only available to Apple employees.

Posts under Technotes tag

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TN3152: Migrating to the latest Calendar access levels
Follow these guidelines to update your app to use the new Calendar access levels. View Technote TN3152 >
Topic: App & System Services SubTopic: General Tags:
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1
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1.1k
Activity
Jun ’23
TN3153: Adopting API changes for EventKit in iOS 17, macOS 14, and watchOS 10
Test your existing apps against EventKit API latest changes. View Technote TN3153 >
Topic: App & System Services SubTopic: General Tags:
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0
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1.1k
Activity
Jun ’23
TN3149: Fetching Contacts change history events
Learn how to fetch and process the most recent changes to the Contacts database. View Technote TN3149 >
Topic: App & System Services SubTopic: General Tags:
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0
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869
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Jun ’23
TN3133: Packaging a Metal renderer
Distribute a Metal renderer in a Swift package. View Technote TN3133 >
Topic: Developer Tools & Services SubTopic: General Tags:
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0
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1
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1.5k
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May ’23
TN3136: AVAudioConverter - Performing sample rate conversions
Use AVAudioConverter to perform sample rate conversions between PCM audio buffers. View Technote TN3136 >
Topic: Developer Tools & Services SubTopic: General Tags:
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1.3k
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May ’23
TN3147: Migrating to the latest notarization tool
Migrate your notarization workflows to notarytool from the deprecated altool. View Technote TN3147 >
Topic: Developer Tools & Services SubTopic: General Tags:
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0
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1k
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May ’23
TN3135: Low-level networking on watchOS
Learn about the supported use cases for low-level networking on watchOS. View Technote TN3135 >
Topic: Developer Tools & Services SubTopic: General Tags:
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3
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1.7k
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Jan ’23
TN3137: On Mac keychain APIs and implementations
Learn how the keychain on macOS differs from other Apple platforms. View Technote TN3137 >
Topic: Developer Tools & Services SubTopic: General Tags:
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0
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1.3k
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Nov ’22
TN3125: Inside Code Signing: Provisioning Profiles
Learn how provisioning profiles enable third-party code to run on Apple platforms. View Technote TN3125 >
Topic: Developer Tools & Services SubTopic: General Tags:
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1.1k
Activity
Oct ’22
TN3113: Testing and debugging XPC code with an anonymous listener
Use an anonymous XPC listener to simplify your XPC testing and debugging. View Technote TN3113 >
Topic: Developer Tools & Services SubTopic: General Tags:
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1.2k
Activity
Oct ’22
TN3102: HTTP/3 in your app
Get started with iOS 15’s new HTTP/3 support. View Technote TN3102 >
Topic: App & System Services SubTopic: General Tags:
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994
Activity
Oct ’22
TN3111: iOS Wi-Fi API overview
Explore the various Wi-Fi APIs available on iOS and their expected use cases. View Technote TN3111 >
Topic: Developer Tools & Services SubTopic: General Tags:
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0
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1.2k
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Oct ’22
TN3129: Resolving build errors from helper tools in Xcode Cloud and other build environments
Review common causes for failing Xcode Cloud builds that originate from helper tools running in a misconfigured build environment. View Technote TN3129 >
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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1.5k
Activity
Oct ’22
TN3117: Resolving architecture build errors on Apple silicon
Update your app’s architecture build settings to support building macOS, iOS, watchOS and tvOS apps on Apple silicon. View Technote TN3117 >
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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0
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1.7k
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Oct ’22
TN3123: Refactoring your storyboard
Learn strategies and techniques for refactoring a single storyboard into multiple storyboards. View Technote TN3123 >
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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0
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1.4k
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Oct ’22
TN3118: Debugging your app’s launch screen
Understand why your app’s launch screen is not displayed or updated. View Technote TN3118 >
Topic: UI Frameworks SubTopic: UIKit Tags:
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0
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837
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Oct ’22
TN3109: Resolving common archiving issues
Handle common issues that arise while archiving apps. View Technote TN3109 >
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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0
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836
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Oct ’22
TN3103: Apple Pay on the Web troubleshooting guide
Troubleshooting guide for implementing Apple Pay on the Web. View Technote TN3103 >
Topic: Developer Tools & Services SubTopic: General Tags:
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0
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1.7k
Activity
Oct ’22
TN3104: Recording video in Apple ProRes
Configure pieces of an AVCaptureSession to capture video in Apple ProRes. View Technote TN3104 >
Topic: Developer Tools & Services SubTopic: General Tags:
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0
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873
Activity
Oct ’22
TN3105: Customizing the UIKit status bar style
Configure the device’s status bar style to work well with your app’s user interface. View Technote TN3105 >
Topic: UI Frameworks SubTopic: UIKit Tags:
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0
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814
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Oct ’22