I'm pretty sure that's from the latest version of the mod
I tested it in UE4 Editor, and the sprint system is still the old slow one. As mentioned in the Obligatory patch:
- Made the stamina more consistent and should be the same from a person to another
- Renamed "custom" into "challenges" (took me long enough)
- SHE doesn't let you pause while playing HER game, since it would be unfair :)
these changes/patches with other fixes are not included in the Source Code.
also i still run the game at like 300 FPS, and like i said; its only in the source code that the sprint runs slowly, also i did a bit more inspection, literally every fix in the obligatory patch is also not in the Source Code. Are you sure you dont have a later version of the Source Code?