Specifically, being able to resize Party Frames (Raid Style)
/run CompactUnitFrameProfilesGeneralOptionsFrameWidthSlider:SetMinMaxValues(72, 500)
Using this script you could adjust width of your party frames past their original bounds.
The current reference was changed to CompactPartyFrame but no syntax is able to yield the desired results for previous functionality.
UI changes should not regress in terms of what they are able to do.