21 April 2026
Christoph Neumann

Welcome to the Clojure Deref! This is a weekly link/news roundup for the Clojure ecosystem (feed: RSS).

Clojure Documentary

The Clojure Documentary is live!

Afterward, enjoy the Clojure Documentary Q&A with Rich Hickey and other key people in Clojure’s history!

  • The foundational research papers

  • Influential books

  • Rich’s talks

  • Historical archives

  • Dialects and runtimes

  • Community resources

  • Getting started videos

  • A glossary

  • and more!

The world is going through changes: in programming, technology, work, and in specific countries and regions, each with its own form of trouble, hope, or confusion.

People in Clojure communities, like elsewhere, are finding their way through it, sometimes with questions and sometimes with a sense of being alone in it.

The Clojure Community Check-In is a space to share how we’re doing.

Sessions:

Clojure/Conj 2026

September 30 – October 2, 2026
Charlotte Convention Center, Charlotte, NC

Join us for the largest gathering of Clojure developers in the world! Meet new people and reconnect with old friends. Enjoy two full days of talks, a day of workshops, social events, and more.

Early bird and group tickets are now on sale.

Is your company interested in sponsoring? Email us at [email protected] to discuss opportunities.

Upcoming Events

Blogs, articles, and news

Debut release

  • webgen - Parameter driven web app generator

  • cljam - Clojure interpreter with a tokenizer, reader, macro expander, evaluator, incremental compiler, vite plugin, nREPL server compatible with calva on vscode, embedded browser REPL, CLI compatible with node and bun as host

  • bisql - Keep SQL executable, call it as Clojure functions 🚲️

  • miniforge-standards - Shared engineering standards for all miniforge.ai repositories

  • cljs-mjml - Write MJML email templates with Hiccup syntax in ClojureScript (or Node Babashka)

Updates

  • clojure 1.12.5-rc1 - The Clojure programming language

  • clj-kondo 2026.04.15 - Static analyzer and linter for Clojure code that sparks joy

  • baredom 2.2.0 - BareDOM: Lightweight CLJS UI components built on web standards (Custom Elements, Shadow DOM, ES modules). No framework, just the DOM

  • clj-format 0.1.2 - A Clojure DSL for cl-format inspired by Hiccup. No dependencies. Drop-in compatibility. The power of FORMAT made easy.

  • any 0.1.1 - Objects for smart comparison in tests.

  • spel 0.9.5 - Idiomatic Clojure wrapper for Playwright. Browser automation, API testing, Allure reporting, and native CLI - for Chromium, Firefox, and WebKit

  • ordered-collections 0.2.1 - Fast, modern, ropes and ordered collections that do more than sort.

  • dexter 0.1-alpha-6 - Dexter - Graphical Dependency Explorer

  • gloat 0.1.26 - Glojure AOT Tool

  • glojure 0.6.5-rc17 - Clojure interpreter hosted on Go, with extensible interop support.

  • squint 0.11.188 - Light-weight ClojureScript dialect

  • dataspex 2026.04.1 - See the shape of your data: point-and-click Clojure(Script) data browser

  • meme-clj 5.0.0 - meme-clj — M-Expressions with Macro Expansion

  • charm.clj 0.2.71 - A Clojure TUI (Terminal User Interface) library inspired by Bubble Tea

  • clj-xref 0.1.1 - LLM-friendly cross-reference database for Clojure code. Query who-calls, calls-who, who-implements, ns-deps to feed precise dependency neighborhoods to AI assistants instead of entire source trees. Built on clj-kondo.

  • babashka 1.12.218 - Native, fast starting Clojure interpreter for scripting

  • fs 0.5.33 - File system utility library for Clojure

  • phel-lang 0.34.1 - A functional, Lisp-inspired language that compiles to PHP. Inspired by Clojure, Phel brings macros, persistent data structures, and expressive functional idioms to the PHP ecosystem.

  • nippy 3.7.0-beta1 - Fast serialization library for Clojure

  • statecharts 1.4.0-RC11 - A Statechart library for CLJ(S)

  • clojure-clr clojure-1.12.3-alpha7 - A port of Clojure to the CLR, part of the Clojure project