[nav1]

> "I'll now resort to manually backing up every Evernote file to Google Doc"

I don't think that's the lesson to take away from this...

[ttflee]

> I have only one Evernote note that matters. Everything is in that note.

IMHO, sorting out versioning of one giant piece of note programatically is quite challenging.

FYI: Evernote implements EDAM scheme for synchronisation.

https://dev.evernote.com/media/pdf/edam-sync.pdf