HI @DavidMarkman, so sorry for the confusion. That first link in that support article took you straight to Grbl’s github page and was meant to provide more general information on the firmware itself. I’ve gone ahead and removed that link to avoid this issue from happening in the future.
The link in the third paragraph takes you to the correct version of the firmware:
For those attempting to update either firmware or Easel Driver and run into issues, please contact our customer success team directly and we’ll work with our developers to get things fixed as quickly as we can.