In many pbix files I reuse the same custom made M-functions. Today I can only do so by opening an existing pbix file which contains that code and then manually copy/paste that query in my new pbix....
Or enable this reuse via git: please finish this idea with 1000s of votes: https://ideas.powerbi.com/ideas/idea/?ideaid=9daf5a6b-19e1-4b79-9e7c-78d877d54542
