That looks very interesting indeed. However, I wasn't able to get that up and running in LR5.6 / Mac.
I changed the minor version to 6, copied the file to the location where it's supposed to be, started the Debugger server, and included local LrMobdebug = import 'LrMobdebug'
However, when calling Lrmobdebug.start(), execution of my script does not seem to execute anymore. Any idea what I should check?
Best regards
Klaus