How to reproduce:
1. Open the "IN_65938" project
2. In the Build Settings "Run Device" dropdown, select the desired device
3. Enable Development Build and Autoconnect Profiler
4. Press Build And Run
5. Observe the Profiler

Expected result: Frame rate is stable
Actual result: Vsync value varies ~+-4ms and frame rate is unstable

Reproducible with: 2021.3.35f1, 2022.3.20f1, 2023.2.11f1, 2023.3.0b7

Testing environment: Windows 10 Pro, Windows 11 (user reported)
Reproducible on: No other environment tested

Reproducible on these devices:
OnePlus 10 Pro 5G (user reported)
VLNQA00267, Samsung Galaxy S10+ (SM-G975F), Android 12, CPU: Exynos 9 (9820), GPU: Mali-G76
VLNQA00120, Google Pixel 2 (Pixel 2), Android 8.1.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00178, Xiaomi Redmi Note 4 (Redmi Note 4), Android 6.0, CPU: MediaTek Helio X20 MT6797M, GPU: Mali-T880

Not reproducible on these devices:
VLNQA00494 - iPhone 14 Pro Max, 16.3.1 iOS
VLNQA00358 - iPhone 12, 14.1 iOS
VLNQA00392 - iPad (9th generation), 15.0 iOS
VLNQA00310 - iPad Pro 12.9", 13.4.1 iOS

Notes:
- Limiting frame rate using "Application.targetFrameRate = 30;" still reproduce the issue
- Not reproducible on the Windows Standalone Platform
- Reproducible on Vulkan and OpenGLES3 Graphics API