https://ttlc.intuit.com/community/tax-topics/help/state-loop-indicates-turbotax-is-up-to-date-after-...
While this doesn't mention the issue I had verbatim, for others with my issue (loop on submit), this DID work.
Download the zip, unzip, run it, follow the directions in the post (for me, up to step 7. I did not Remove All, just Cali).
Of note, I had the windows download.
