As of January 1, 2020, for TurboTax 2020, I have the same problem where the 20k exclusion is deducted when it should not be deducted for New York State Teachers Retirement System.
Pension Deduction Summary
We automatically calculated your New York pension deductions.
Joe Jane
Total federal taxable non-disability pensions and IRA $120,000 $48,000
distributions
New York deduction for government pensions $0 $48,000
New York deduction for railroad retirement $0 $0
New York deduction for other pensions $20,000 $20,000 <-- should be 0
Total taxable pensions and IRA distributions $100,000 -$20,000
