Update: The parties of the left coalition have publicly reaffirmed their commitment to the coalition, sending a message to Macron that they will not govern under the liberals
Center left neoliberals (your modern socdems) are the second largest party in the coalition, the first are left populists based around the celebrity character of Melenchon, the 3rd are green eurocucks and 4th are the old school communists, then there's a sputtering of center to left parties