Here is information about changes to the bar on the IRS website. Please keep in mind that Where's my refund is operated by the IRS and TurboTax has no control over it. Once your return has been accepted by the IRS, the will no longer provide updates to TurboTax concerning the status of your return or refund.
https://ttlc.intuit.com/community/after-you-file/discussion/i-have-no-bars-on-where-is-my-refund-and-a-message-stating-still-processing-please-wait-for-a-date/01/711428#M139377