How to reproduce:
1. Open the “CHARACTER_CONTROLLER_ISSUE.zip“ project
2. Open the “SampleScene“
3. Enter the Play Mode
4. Observe the Game view

Expected results: The blue GameObject reaches the ground with no issue
Actual results: The blue GameObject reaches ~2 units above ground, loses its momentum, and slowly falls to the ground

Reproducible in: 2023.1.0a4, 6000.0.4f1
Not reproducible in: 2021.3.38f1, 2022.3.30f1, 2023.1.0a3

Reproduced on: Windows 11 Pro (23H2)
Not reproduced on: No other environment tested

Workaround: While in Play Mode, set the Animators' “Update Mode“ to “Fixed“ (Does not always work if done in Edit Mode beforehand)

Notes:
- This issue does not reproduce 100% of the time
- Reproducible in the Player
- In the Reproduction project, The Left/Right/Up arrow keys can be used to bring both or individual GameObjects to a fixed Y = 0 height