Can I use this for SwiftUI performance issues?

Yes, it includes guidance on using the SwiftUI instrument to profile view body evaluations and identify causes of layout thrashing or unnecessary refreshes.

Does it support the latest Swift versions?

The skill is specifically designed for modern Apple development environments, targeting Swift 6.3, iOS 26+, and contemporary SwiftUI frameworks.

How does this skill help with memory leaks?

It provides specific workflows for the Memory Graph Debugger and explains how to enable Malloc Stack Logging to trace leaked objects back to their source code allocation.

How can I debug UI hangs using this skill?

It offers patterns for identifying main thread blocks using the Time Profiler, OSSignposter for interval marking, and Xcode's Thread Checker diagnostics.

iOS Debugging & Instruments

Name: iOS Debugging & Instruments
Author: dpearson2699

bydpearson2699

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512

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Mobile Development

Diagnoses iOS application crashes, memory leaks, and performance bottlenecks using LLDB, Memory Graph Debugger, and Apple Instruments.

The iOS Debugging & Instruments skill provides expert guidance for troubleshooting and optimizing modern Apple platform applications. It equips Claude with deep technical patterns for using LLDB commands to inspect runtime state, identifying retain cycles within memory graphs, and resolving main thread hangs that impact user experience. By integrating workflows for Apple Instruments—including Time Profiler, Allocations, and SwiftUI-specific tools—this skill enables developers to systematically eliminate performance bottlenecks, triage complex build failures, and ensure apps meet the high-performance standards of iOS 26+ and Swift 6.3.

Key Features

01512 GitHub stars

02Diagnostic patterns for identifying and fixing main thread hangs and UI responsiveness issues

03Advanced LLDB command workflows for runtime state inspection and state modification

04Comprehensive build failure triage for Swift Package Manager and linker errors

05Memory leak and retain cycle detection using the Memory Graph Debugger and Malloc Stack Logging

06Performance profiling with Time Profiler, Allocations, and SwiftUI-specific instruments

Use Cases

01Resolving ambiguous build errors and dependency conflicts in modern Swift 6.3 projects

02Identifying and fixing memory leaks or retain cycles in complex SwiftUI view hierarchies

03Troubleshooting app responsiveness and scrolling performance by profiling main thread execution

Key Features

01512 GitHub stars

02Diagnostic patterns for identifying and fixing main thread hangs and UI responsiveness issues

03Advanced LLDB command workflows for runtime state inspection and state modification

04Comprehensive build failure triage for Swift Package Manager and linker errors

05Memory leak and retain cycle detection using the Memory Graph Debugger and Malloc Stack Logging

06Performance profiling with Time Profiler, Allocations, and SwiftUI-specific instruments

Use Cases

01Resolving ambiguous build errors and dependency conflicts in modern Swift 6.3 projects

02Identifying and fixing memory leaks or retain cycles in complex SwiftUI view hierarchies

03Troubleshooting app responsiveness and scrolling performance by profiling main thread execution