As ever, the first thing I looked at was the bibliography.
Better than most, with a fair range of sources and a good number of relevant references dated post-2010.
Some of the articles listed are a little curious, but why not - good to include as much as might be useful to those reading the authors' paper.
Their omissions are more difficult to understand - Julian Bunn's statistical studies and Emma May Smith's linguistic observations and statistics have been made available online, so it's not as if they're behind a paywall, or 'members only' access.
Admittedly to read Anton Alipov's studies takes a little more effort but not really too difficult, and his is another which I'd have thought essential reading, whether or not the papers' authors found themselves in agreement.
And surely as a courtesy, and to show they're aware of it - some reference to the first modern statistical studies of which I know, and by a professional linguist too - should really have been included. I mean, of course, Jorge Stolfi's work.
Friedman I cannot consider a 'modern', though others may choose to.
What I'd love to see is a series of AI-generated 'book-reviews' of every previous effort at decryption.