 The MIDI-over-minijack standards document also recommends the use of 2.5 mm connectors over 3.5 mm ones to avoid confusion with audio connectors.The MIDI 2.0 standard was presented on 17 January 2020 at the Winter NAMM Show in Anaheim, California at a session titled "Strategic Overview and Introduction to MIDI 2.0" by representatives Yamaha, Roli, Microsoft, Google, and the MIDI Association.This significant update adds bidirectional communication while maintaining backwards compatibility.