How to reproduce:
1. Open the attached "IN-134035" project
2. Build for iOS
3. Open the "Unity-iPhone.xcodeproj" in Xcode
4. Build to a device
5. In Xcode, open the Debug Navigator
6. On the device screen, tap on the input field
7. Observe the Debug Navigator CPU load

Actual result: CPU load climbs to 100% and stays around 100%
Expected result: CPU load climbs ~2%

Reproducible with: 6000.0.67f1, 6000.3.0a3, 6000.3.8f1, 6000.4.0b8, 6000.5.0a6
Not reproducible with: 6000.3.0a1
Could not test with: 6000.3.0a2 (Xcode errors)
Fixed in: 6000.5.0a7

Built on: macOS 26.2 (M1 Max)

Reproducible with these devices:
VLNQA00631 - iPhone 15 (MTP03QN/A), CPU: t8120, OS: 26.1

Not reproducible with these devices:
VLNQA00232 - iPhone 8 Plus (MQ8M2ET/A), CPU: Apple A11 Bionic, GPU: Apple designed, OS: 16.7.10
VLNQA00636 - iPad mini (A17 Pro) (MXN83KN/A), CPU: t8130, OS: 18.3.1
VLNQA00655 - Samsung Galaxy A15 5G (SM-A156E), CPU: MediaTek Dimensity 6100+ (MT6835), GPU: Mali-G57 MC2, OS: 15

Notes:
- Does not reproduce in the Editor
- Could not find FAV, due to Xcode errors