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Fix In Review for 2022.3.67f1
Fixed in 6000.0.56f1, 6000.1.8f1, 6000.2.0a4, future release
Votes
0
Found in
2021.3.36f1
2022.3.21f1
2023.2.14f1
6000.0.0b11
6000.1.0a7
6000.2.0a1
7000.0.0a1
Issue ID
UUM-66493
Regression
No
[iOS] Framerate drops when screen is touched on ProMotion devices
How to reproduce:
1. Open the attached Project "FpsDropUnityProject"
2. Build and Run a Development Build on a ProMotion iOS device
3. Connect the Unity Profiler to the running Application
4. On the device, quickly tap the screen repeatedly
5. Observe the Profiler
Expected result: No spikes appear in the Profiler
Actual result: Spikes appear in the Profiler
Reproducible with: 2021.3.36f1, 2022.3.21f1, 2023.2.14f1, 6000.0.0b11
Reproducible with:
- iPhone 14 Pro Max (iOS 16.3.1)
- iPhone 13 Pro (user-supplied information)
Not reproducible with:
- iPad Air 4th Gen (iOS 15.2.1)
- iPad Pro (9.7 inch, Wifi) (iOS 14.8)
Notes:
- The Project caps Target Framerate to 60, the spikes display it dropping to 30 on touch
Comments (2)
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sgoncharme
Aug 23, 2025 03:02
probably this change also breaks our iOS + Unity integration. still investigating. 55 is fine. 56 is broken.
unity_F739CF18E1E60351BE4C
Aug 08, 2025 23:13
This change breaks/disables the rendering of Canvas UI in Screen Space – Camera mode when the application is not focused/active on iOS.