This is the main thread to post resources on Proto-Indo-European and North-West Indo-European reconstruction.
For learning materials on Proto-Indo-European, visit Academia PrIsca:
https://academiaprisca.org/
These are some of the most interesting recent publications:
Formal papers published in journals or by publishers of high impact factor relevant to this are also welcome.
For a comprehensive discussion of reconstruction details, visit the Facebook page and the Facebook group.