The new smaller form reflects some of the changes that were made under the Tax Cuts and Jobs Act such as the elimination of some tax breaks, including deductions for personal exemptions. The new form decreases the number of lines to 23 from 79. Michael K. Miller Law
— Read on www.palmbeachcountytaxattorney.com/blog/2018/september/sneak-peak-at-new-postcard-size-irs-tax-form/