What change should be made to the sentence when editing for correct comma usage?

His recent paintings which are hanging in city hall feature wildlife
that is native to our community.

•His recent paintings which are hanging in city hall, feature wildlife
that is native to our community

•No change necessary.

•His recent paintings which are hanging in city hall feature wildlife,
that is native to our community.

•His recent paintings, which are hanging in city hall, feature wildlife
that is native to our community