What is 'You can't file just yet due to a recent law passed by Congress. This may mean a better tax outcome for taxpayers like you who have taxable QTP distributions."?

In December, Congress passed legislation to extend several tax breaks that had expired.  The IRS and TurboTax are working to get those forms finalized for you.  For details, please see this TurboTax Help article:  What do I need to know about the 2019 tax extenders?