The Google Fonts team has teamed up with Thomas Jockin to create a series of fonts that are aimed at improving reading speed. To learn more about the research behind this initiative, see here for more details.

Source: G Suite Updates Blog: New fonts intended to help improve reading speed now available in Google Docs, Sheets, and Slides

I’ve already posted about OpenDyslexic, the font to improve readability for dyslexics, and now comes the Lexend fonts, designed to improve reading speed.