In an interview with Stephan Wiesner Swiss photographer and Olympus Visionary Thomas Leuthard confirms new E-M10III is coming by end of this year. Just watch the German interview form minute 6:30 to hear it (if you speak German).
What we know is that the camera is going to be announced within 1-2 months. Shipment start could be August-September.
Note to sites copying our news: I would appreciate a link back “found via 43rumors” if you repost this on your rumor or new site. Thanks!