The annual gift tax exclusion for 2018 is going up from $14,000 per year to $15,000 per year.
The estate tax exemption (the amount that a person can give during life or at death without paying
estate tax is also going from $5,490,000 to $5,600,000)
There's more detail that you need to know. To Get the whole story here:
https://www.paestateplanners.com/blog/important-2017-2018-end-of-year-tips-strategies-actions.cfm
If you really want to go deep here's a link to the IRS announcement.
https://www.irs.gov/pub/irs-drop/rp-17-58.pdf