What are the things you wish Ruby (and more generally the Ruby community) would improve?
I read somewhere that Ruby is the love-child of Smalltalk and LISP, with Miss P
Getting rid of the artificial distinction between Modules and Classes would be nice.
Both Modules and Classes are Namespaces. Modules are also Mixins, while Classes aren't. Classes can also be instantiated while Modules can't. This distinction is unnecessary. Just get rid of Modules and allow Classes to be used as Mixins.
An example of a language where this works is Newspeak.