“ArgumentException: Invalid double parameter.” error is thrown when Infinity is typed into the Fixed Timestep field

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Navigate to Edit > Project Settings > Time
3. Type "inf" into the Fixed Timestep field and press Enter
4. Observe the Console window

Actual results: “ArgumentException: Invalid double parameter.” error is thrown

Expected results: No errors are thrown

Reproducible with versions: 2023.1.0a23, 6000.0.72f1, 6000.3.12f1, 6000.4.1f1, 6000.5.0b1, 6000.6.0a1

Not reproducible with versions: 2023.1.0a3, 2023.1.0a14

Can’t test with versions: 2023.1.0a15, 2023.1.0a22 (due to different Fixed Timestep functionality)

Tested on (OS): MacOS Silicon Tahoe 26.3