Most of the new features added to Inbox by Gmail usually only apply to the mobile apps. In the past two years, the web app has received legacy features from Gmail and is on par with Android and iOS in key functionality. A minor update today adds more rich text formatting options to the web.
rich text formatting Stories June 6, 2016
rich text formatting Stories February 24, 2016
Google is announcing two notable new features for Gmail for Android today, including support for rich text formatting and a new “Instant RSVPs” feature that offers one-tap access to responding to Calendar invites. expand full story