Android Q lets you get security updates without pesky reboots
https://www.cnet.com/news/android-q-gives-lets-you-get-security-updates-without-pesky-reboots/
Cutherbertson said it means updating the security modules in the background, the same way Google updates its apps.
Originally published May 7, 11:17 a.m. PT.Update, 11:22 a.m.: Adds more information.