Maryland passed a bill that will make public alcohol consumption and possession of alcoholic beverages in an open container (under certain circumstances) a civil, rather than a criminal, offense.
Effective Date: October 1st, 2019
More here: http://mgaleg.maryland.gov/webmga/frmMain.aspx?id=HB0088&stab=01&pid=billpage&tab=subject3&ys=2019rs