They did a really good job on ads. Don’t look up how much they spent just on fooling the population.
I received it as a text:
A message from California Secretary of State on behalf of County Registrar. Your ballot for the November 3, 2026, General Election was received and will be counted. Thank you for voting!
You should be able to check your current status following the info here:
https://www.sos.ca.gov/elections/ballot-status
California always has delays in Getting everything through the system, a side effect of having reasonable election laws that let you mail in ballots up to election say, a huge population, and a thorough counting process. Be patient but follow up.