The most notable addition is a new feature that lets you schedule emails to be sent at a particular date or time in the future. This is particularly useful of you're working across different time zones, or if you want to avoid interrupting someone's holiday. It could also come in handy of you want to leave the office early but give the impression that you're still working at your desk. "Just write your email as you normally would, then schedule it to arrive in your recipient's inbox at a later date and time." Google has also updated Gmail's "smart compose" tool, which uses AI to write your emails for you.
Source: Daily Mirror April 02, 2019 12:33 UTC