$ rvm get master
...
$ rvm install ruby-3.3.0-preview3
ruby-3.3.0-preview3 - #downloading ruby-3.3.0-preview3, this may take a while depending on your connection...
curl: (22) The requested URL returned error: 404
The requested url does not exist(22): 'https://cache.ruby-lang.org/pub/ruby/./ruby-3.3.0-preview3.tar.gz'
Checking fallback: https://ftp.ruby-lang.org/pub/ruby/./ruby-3.3.0-preview3.tar.gz
No fallback URL could be found, try increasing timeout with:
...
The 3.3 previews are now located at https://cache.ruby-lang.org/pub/ruby/3.3/ instead of the https://cache.ruby-lang.org/pub/ruby/. This currently causes: