How to reproduce:
1. Open the attached "IN-144895_splinetest.zip" project
2. Open SampleScene
3. Make sure Gizmos are enabled
4. Select the "Spline" GameObject in the Hierarchy
5. In the Inspector, locate the "Spline Searcher" script component
6. Make sure the "Use Fixed Function" checkbox is enabled
7. Observe sample points on the spline in scene
8. Notice sample points are evenly spaced
9. On the "Spline Searcher" component, disable "Use Fixed Function"
10. Observe sample points on the spline in scene
Actual result: Points are clustered on small sections of the spline
Expected result: Points are spaced evenly along the entire spline
Reproducible with: 2.6.1(6000.0.0f1(7bea50d699a2)), 2.8.4(6000.6.0a7)
Reproducible on: Windows 11 (25H2)
Not reproducible on: No other environments tested
Note: Red points are built in function while green points are custom workaround