There were several bills in the CA Leg this year that passed thanks in large part to YIMBY support.

See:

SB2 - Subsidized housing bond

SB35 - Streamlining construction

SB167 - Housing Accountability Act enforcement, written with help from YIBMY affiliate CARLA (carlaef.org)

http://www.sacbee.com/news/politics-government/capitol-alert...