Does this look better?
I found that the legs were slightly inverted , which could cause ik issues, so I bent them the other way very slightly
I havent uploaded the fixed IK version yet I was showing you a beta build in the video attached ^>^ ill probably upload the IK fix soon was just showing you how half body was working for the new build , but I can see now that you have a screenshot of the issue and I havent experienced that with this new build so I think we fixed it!