Google has released Chrome 78 to the Stable desktop channel, with new improvements, features, and 37 security fixes. Included in this release is the DoH trial for all users on supported DNS providers, a basic Tab Hover Cards, and some other features behind experimental flags. Windows, Mac, Mac desktop users can upgrade to Chrome 78.0.3904.70 by going to Settings -> Help -> About Google Chrome and the browser will automatically check for the new update and install it when available.
Source: https://www.bleepingcomputer.com/news/software/chrome-78-released-with-doh-trial-tab-hover-cards-and-more/