On August 25, the California Democratic Party Executive Board endorsed Proportional Representation. The resolution says, in part, “Therefore be it resolved that the California Democratic Party supports the institution of proportional representation and multi-member districts to foster greater electoral representation, provide equity to minority discourses, and increase the diversity of our elected officials.”
Here is a link to all the resolutions adopted on August 25. The proportional representation resolution is Resolution 19-05.167. Scroll down. Thanks to Steve Chessin for this news.