TurboTax does not allow entering multiple New York IT-203-F multi-year allocation forms?

For tax year 2020, TurboTax allowed attaching hand-edited PDFs for New York State form IT-203-F to allocate wages over multiple years for a multi-state resident. This is no longer possible, and instead TurboTax provides a form entry for IT-203-F, except it seems to only allow entering a single form.

However, a separate IT-203-F form must be added for, say, each individual restricted stock grant