That is an IRS issue. The 1040-X is generally not finalized by the IRS until sometime in February on any given year. Then TurboTax the programmers have to do their thing. However, looking at the tool it says the 1040-X is available to print and e-file now. So the update may have happened today so you would need to wait until tomorrow for it to take affect as the updates seem to work the day after.
However, as stated above, it is best not to amend until your return has been processed by the IRS.
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