I filed my 2023 tax return over a year ago. It was accepted but never approved. Why is that?

[DoninGA]

Once a tax return has been Accepted by the IRS or a State, TurboTax receives no further information concerning the tax return or the status of any tax refund.

You may want to contact a Taxpayer Advocate in your area.  See this IRS website for Taxpayer Advocate in your area and a toll free number - http://www.irs.gov/Advocate/Local-Taxpayer-Advocate