Most forms for California will be ready 01/31/2019.
There are a couple that will not be ready until February.
TurboTax programmers have been frustrated as well, but several tax law issues caused a delay to program the state returns properly. As you know, even the states themselves were not clear on how the Federal tax law changes would affect their state's filings.
Please use the link below for more information on California form availabilities.
Please be sure to update the desktop programs.
https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_ca_windows_individual.html