This tweet
2/ #SB519 advanced deep into the legislative process — honestly, way further than I anticipated, since it’s a new idea in the Legislature. It passed the full Senate & both Assembly policy committees.
But we need more time to build support in the Assembly to achieve final passage
— Senator Scott Wiener (@Scott_Wiener) August 26, 2021
Marijuana Moment have some background
California Bill To Legalize Psychedelics Possession Put On Pause Until 2022