The the tax law that went into effect in 2018 is now applicable on your 2019 filing.
What's new?
The tax rate in most brackets has been reduced:
The standard deduction was increased:
2018: single: $6350/ married filing jointly: $12,700
2019: single:12,000 / married filing jointly: $24,000
Child Tax Credit:
2018: $1000/child $110,000 income cap threshold for married filing jointly
2019: $2,000/child $400,000 income cap threshold for married filing jointly (and $200,000 income cap for all other returns)
Other significant changes:
The tax penalty for not having health insurance has been repealed.
You can deduct out-of-pocket medical expenses above 7.5% of your adjusted gross income. (Previous years the deduction was anything above 10% of adjusted gross income.)
State and Local tax deductions are capped at $10,000 (this includes property tax)