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These are great references. If you're looking for complete coverage of the standard library, this is it.
Tools for reloading namespaces in dependency order. It's not new but very useful while you're developing code.
Dan Ingalls published this paper back in 1981. A lot of it seems dated now. And the promises of OO were never fulfilled. However, Smalltalk paved the way for these ideas to be mainstream to the point that they feel commonplace today. It really makes me think about what could be coming up next in programming.
Maria Neise has been working on different JS module support for ClojureScript as part of the Google Summer of Code effort. This weekly report is about how to get CommonJS modules to work.
A neat library from Nathan Marz (of Storm and Cascalog fame). This one is about extracting and transforming elements in persistent data structures.
A great visual explanation of gradual typing! Ambrose Bonnaire-Sergeant has been raising money to add gradual typing to Typed Clojure. And his crowdfunding campaign has reached its goal! It's still accepting contributions if you're interested.
A great article explaining all the reasons to use the Google Closure Library and Compiler. The library really is full of useful features.
Mike Fikes experiments with the new ClojureScript-in-ClojureScript compiler.
I saved this one for last. Bruce Hauman (the programmer behind Figwheel) shows how to bit-by-bit create a functional programming in JS solutions to an interactive GUI. He even builds in a code reloader to give him fast feedback.