Rainbow Six Siege Shifting to 6v6?

A new mode coming in Rabow Six Siege X has been leaked. The new 6v6 mode called Dual Front promises to feature "non stop action" according to the leaks. The closed beta test for Siege X will run from March 13th to 19th though details on how to get into the beta have not been released. Do you think Siege X will transition to 6v6 or is this just a new for fun mode that has been found?