That’s correct. If you’re a maintainer of a very popular gem, as of 15th August you’ll no longer be able to e.g. `gem push` if you haven’t enabled MFA on your RubyGems account. You will of course still be able to log in and enable it.

More details in the RFC: https://github.com/rubygems/rfcs/blob/master/text/0007-mfa-r...