I'm using the 2021 Turbo Tax Business program for Windows (downloaded), with the Massachusetts state module. The first estimated tax payment is misallocated to the second time period in the M-2210F form (Underpayment of Massachusetts Estimated Income Tax for Fiduciaries). See screenshot below. It should have been allocated to the first period. Please report this bug to the developers.
M-2210F incorrectly filled