As reported on MirrorlessRumors the Panasonic built Leica T type mirrorless camera will be launched in April. And it’s now pretty save to say that this camera will not feature a Micro Four Thirds mount. Panasonic will make the camera and zoom lenses for the new Leica system.
It has still to be seen if Panasonic will ever join the system. Very unlikely if the sensor has the APS-C size. More likely if the camera uses a Full Frame sensor…