Authorizing a person who is at least 21 years of age to manufacture a personal use amount of cannabis products or concentrated cannabis for personal use or adult sharing at a private residence if the manufacturing process does not involve the use of a volatile solvent; specifying that manufacturing, distributing, dispensing, or possessing certain large quantities of certain controlled dangerous substances is a felony; altering the penalties for being a volume dealer and drug kingpin with regard to cannabis; etc.