@vintage89, after a very long time I manged to get some time to review. The latest update to MMM-Instagram2020 solves the above issue by automating the whole authentication process.
Details in the Readme: https://github.com/AlexanderSalter/MMM-Instagram2020/blob/master/README.md
A New Chapter for MagicMirror: The Community Takes the Lead
Read the statement by Michael Teeuw here.
Read the statement by Michael Teeuw here.
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