EDIT: This issue should now be fixed in the latest version 1.14.2 but I'm leaving these instructions here for now in case the issue is still not 100% resolved.
If you are prompted for a Pybytes token even though you selected "stable" as the firmware type:
[image: 1525703676890-screen-shot-2018-05-07-at-16.34.09.png]
Please post your OS type (Mac, Windows (32/64bit), Linux) and exact version here.
Then please use the following firmware updater:
MacOS
Windows
Linux
Please ignore the message about an upgrade being available.