See this TurboTax support FAQ for the problem - https://ttlc.intuit.com/turbotax-support/en-us/help-article/insurance-medical-benefits/form-7206-added-return-turbotax-required-file/L9490jQnO_US_en_US?uid=lseshtac
Just spoke to them. Draft form was done on 2/7 and finalized form set to release on 2/12.
still can't e-file 1040 with form 7206. Turbotax needs to resolve ASAP!
There was an update overnight. I see people are able to successfully efile now.