I have got problem with Bone Follower Component.
Spear after hitting collider (with Bone Follower Component) was attached as child to this collider [Bullet(Clone)]. Bild entfernt wegen fehlender Unterstützung für HTTPS. | Trotzdem zeigen
Which looked like (5.0.1):
After update to 5.1 or 5.1.1. it looks like this: Bild entfernt wegen fehlender Unterstützung für HTTPS. | Trotzdem zeigen
Now spear is not moving with bone, but in different way. I have no idea where is the problem :/