Lightsnow claims to have the new E-M1, E-M10, E-M5 firmware for you :)

With that message Lightsnow is sharing the new firmware versions on their page. I have no way to verify that yet so please be cautious. I suggets you to wait for the real “official” firmware launch whcihs is supposed ot come soon anyway (and add just Olympus Capture Software support and probably some minor bugfix).