MacBook Pro with macOS Sierra v10.12.2
I just updated TeamViewer to version 12.0.72647. After the update when I type in the Meeting ID field the letter 'm' is entered automatically even though I am not typing it. Even if I try to copy/paste a Meeting ID the letter 'm' is prepended in this field. My keyboard works fine. I've tried restarting, with no luck, then tried uninstalling/reinstalling TeamViewer with no luck. This was working just fine just before updating.