I've extended support for dyslexic readers to include three more font options. In addition to OpenDyslexic (A typeface for Dyslexia), I've added Lexie Readable, Sylaxiad Serif and Sylaxiad Sans.
You can use these new fonts in the Settings Menu (under Font Family). Simply select the font that you want, and hit the green "Update" button on the bottom of the page.
You can read more about these fonts on their creators websites: