>Can you now dual wield AND backfist at the same time (using
>hands).

Yup.

>Will it now check for unarmed defense if you main wield hands
>or do you have to have hands only. Does unarmed still work
>with a shield?

I didn't change anything for unarmed defense (that I'm aware of), so however it previously worked.

>Can you tiger claw while dual wielding fists?

Unchanged. Same as before.