Don't know the specific one, but there's always some lawsuit or legislation trying to reclaim gun rights in Cali. They're always shot down or stalled out.

I found this article that illustrates what I'm talking about. If any 2A affirmative decision is made, it's immediately squelched:

https://www.courthousenews.com/california-gun-owners-fight-open-carry-restrictions

And then there are also local city ordinances that plug statewide holes.