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Under Consideration for 6000.5.X
Votes
15
Found in
2022.3.62f1
6000.0.53f1
6000.1.11f1
6000.2.0b9
6000.3.0a1
6000.4.0a1
6000.5.0a1
Issue ID
UUM-111237
Regression
No
Real delta time is different than deltaTime and uscaledDeltaTimeFixed when using multiple monitors with different refresh frequencies set in Windows options
Reproduction steps:
1. Open the attached project "ReproProj"
2. Open Build Profiles (File > Build Profiles)
3. Build and run the “Scenes/SampleScene“ Scene
4. In Player, observe the first 3 lines
Expected result: All three lines show a similar delta time
Actual result: Delta times has a huge difference
Reproducible with: 2022.3.62f1, 6000.0.53f1, 6000.1.11f1, 6000.2.0b9, 6000.3.0a1
Reproducible on:
Windows Standalone Build
Play Mode
Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested
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fsimon_unity
Mar 24, 2026 16:18
We managed to work around this issue by running our game with Vulkan rather than D3D11 or 12, but this causes other issues on our end that prevents us from going with this solution.