In addition to a mode that models the chorus/vibrato sounds of the original CE-1, there's a flanger/doubler modelled after MXR's rackmount unit, a Phase 90, Fender amp tube-driven tremolo and UA's own ...
and the same bucket bridge chorus effects as the original. It will also reportedly feature both mono and stereo modes, and sliders for Volume and Input Gain. The official launch date for the MXR ...
Some chorus effects feature vibrato/chorus switching ... Again, this is a fairly simple effect to create electronically and MXR was the biggest player in the early days of studio flanging.