Today I present some of the major yeast feature changes in BeerSmith 4. BeerSmith 4 is the new desktop version of BeerSmith. Yeast Packages, Milliliters and Grams When I first wrote BeerSmith back in 2003, it was primarily written for homebrewers. As a result, the program used “packs” of yeast as the primary measure as the standard back then among homebrewers was a smack pack, small vial or sachet of dry yeast. I never imagined that someday thousands of professional breweries might b