Voynich Manuscripts Problematic Pipes (2018)
ciphermysteries.com
ciphermysteries.com
There have been a few updates since. Very promising stuff.
He makes very reasonable guesses on the typography and than on the languages mixed in. He further backs it with some cultural aspects and comes to the conclution that it's probably related to sinti/roma, as their migration route matches the mix of languages.
To really be successful, he has to start looking for syntax and grammar in the text.
He admits he's not an expert in the language he has deduced the manuscript is written in. Maybe somebody else who is an expert in that family of languages needs to pick it up from here.
But then again, as a linguistics gig, Voynichese is harsher than 4chan.