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Won't Fix
Votes
0
Found in
2022.3.65f1
6000.0.56f1
6000.2.1f1
6000.3.0a5
Issue ID
UUM-114798
Regression
No
[iOS] The input field does not respond for a few seconds when it is pressed for the first time or when pressing buttons on the keyboard
Steps to reproduce:
- Open the attached “KeyboardTest.zip” project
- Got to File > Build Settings
- Switch to the iOS Platform
- Build and Run to the device
- In the app press on any Input Field
Actual results: input doesn’t respond for a few seconds
Expected results: input responds immediately
Reproducible with versions: 2022.3.65f1, 6000.0.56f1, 6000.2.1f1, 6000.3.0a5
Tested on (OS): MacBook Pro, Apple M1 Max, OS: Tahoe 26.0 Beta
Reproducible with devices:
- VLNQA00474 - iPad Pro (3rd generation, M1) (MHQR3HC/A), CPU: Apple M1, OS: 18.3.1
- VLNQA00347 - iPad Air (4th generation) (MYFM2HC/A), CPU: Apple A14 Bionic, OS: 26.0 Beta
- VLNQA00619 - iPhone 16 (MYE73QN/A), CPU: Apple A18 Pro, OS: 18.0.1
- VLNQA00605 - iPhone 15 Pro (MTUX3PX/A), CPU: Apple A17 Pro, OS: 18.5
- VLNQA00606 - iPhone 15 Pro (MTUX3PX/A), CPU: Apple A17 Pro, OS: 26.0 Beta
Not reproducible with devices:
- VLNQA00352 - iPhone 12 Pro (MGML3ET/A), CPU: Apple A14 Bionic, GPU: Apple designed, OS: 16.2
- VLNQA00201 - iPad Mini 4 (MK6J2HC/A), CPU: Apple A8, OS: 15.7.8
- VLNQA00234 - iPhone 7 (MN8Y2ET/A), CPU: Apple A10 Fusion, GPU: PowerVR GT7600 Plus, OS: 15.7.6
Notes:
- Doesn’t reproduce if running without Xcode debugger
- Only reproduces on first run from Xcode
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Resolution Note:
The keyboard input hang occurs only when the app is launched from Xcode in debug mode, and only during the initial launch. This issue does not arise in any other scenario. When the hang occurs, Xcode’s console displays messages such as “Hang detected: 1.64s (debugger attached, not reporting)”, “<0x105a2a080> Gesture: System gesture gate timed out”, and “App is being debugged, do not track this hang”. These messages indicate that the hang is expected behavior when running in debug mode with the debugger attached. When the app is run without the debugger, the hang does not occur.