[olivierlacan]

This is not an official documentation site.

The only official Ruby documentation exists at https://docs.ruby-lang.org/en/ and is generated via the Ruby source code itself.

The excellent Colby Swandale has been working on a new open source alternative for Ruby documentation considering the design shortcomings of the default generated API documentation with https://rubyapi.org which I highly recommend.

If you're coming at Ruby from another language, the official Ruby site offers https://www.ruby-lang.org/en/documentation/ruby-from-other-l... and other documentation aside from API concerns here: https://www.ruby-lang.org/en/documentation/

Hope that helps.

[formerly_proven]

It’s actually linked from the official site: https://www.ruby-lang.org/en/documentation/

[Alifatisk]

I feel fooled, I've always thought https://ruby-doc.org was the official website!

[olivierlacan]

Sadly there are a lot of third-party operated documentation sites that exist likely because of how hard-to-discover the official API documentation site is. It's something the community would like to address, but given the amount of link equity a lot of these older and often unmaintained doc sites have acquired it's fairly tricky.