Failed to decode downloaded font, OTS parsing error: invalid version tag + rails 4

Question

I am doing assets pre-compile, and running the application in production mode. After compilation when I load the my index page I got followings warnings in the chrome consol

Answer 1

I am using ASP.NET with IIS and it turns out I just needed to add the MIME-type to IIS: '.woff2' / 'application/font-woff'