USCIS has announced an expansion of the the provisional waiver program, which now includes the spouses and children of lawful permanent residents, certain applicants with removal orders, and diversity lottery winners. The new rule goes into effect on August 29, 2016.
The full text of the new rule can be found here:
https://www.gpo.gov/fdsys/pkg/FR-2016-07-29/pdf/2016-17934.pdf