IRA Distribution Lines 4A and 4B

This year TT has different numbers in the 4A and 4B IRA distribution. I am wondering if this is correct since it has always been a single taxable amount in prior years, with no entry for the 4B line. I'm roughly the same age i.e. turned 65 in spring 2022 and wondering if this has something to do with it? The amount in line 4B is much lower than the amount in 4A, something like 66% lower!

But the more vexing question: for the NJ Non resident tax, line 22, they ask for "Dividends " Pensions, Annuities and IRA Withdrawls

Do I enter the dividends from 1040 4A or 4B?

In prior years, there was only one possiblility but this year there are two and I'm unclear which to enter .

thank you. i'm perplexed.

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