I finished my first 3D Character with a couple of animations using Blender 2.8 and Rigify.
I'm exporting it to Blender as FBX file and everything seems to work. The only problem I have is with the Walk animation. There are points where the mesh of my character just starts to deform when I play the animation in Unity.
Here you can see the differences between Blender and Unity:
What am I doing wrong? In Blender, everything works properly and there are no deformations.