Hi,
I just found the “real” bounce tweaking value, in the CharacterMovementComponent, change JumpOffJumpZFactor to something smaller (if you don’t want your character to be allowed to stand on top of another)
/** Fraction of JumpZVelocity to use when automatically "jumping off" of a base actor that's not allowed to be a base for a character. (For example, if you're not allowed to stand on other players.) */