10 December 2025
Christoph Neumann
Welcome to the Clojure Deref! This is a weekly link/news roundup for the Clojure ecosystem (feed: RSS).
Help shape the future of Clojure!
Whether you use Clojure, ClojureScript, Babashka, or any other Clojure dialect, please fill out the 2025 State of Clojure Survey and spread the word on social media.
This survey gives us the best snapshot of the Clojure community, so help us get as many participants as possible.
If you use ClojureScript or dialects like Squint, Cherry, nbb, and such, please fill out the 2025 State of ClojureScript Survey and share it with others.
Thank you for your help!
Clojure real-world-data 36: Dec 12
Scicloj AI Meetup: Agent-o-rama: Jan 17
Clojure Jam 2026: Apr 18-19 & 25-26. Online & free! CFP is open until Jan 31st.
Babashka Conf: May 8. Amsterdam, NL. Free registration, but tickets are limited!
Dutch Clojure Days 2026: May 9th. Amsterdam, NL. Join the waitlist, or the CFP is open until Jan 15th.
Clojure Jobs - Fixing it - Clojure Diary
Understanding Probabilistic Computing with Clojure - Clojure Diary
Functional Quadtrees - Lau B. Jensen
The Scittle Repl – Clojure Civitas - Markus Agwin Kloimwieder
Linear 1D Advection – Clojure Civitas - Luke Zeitlin
Working with Cloud Optimized GeoTIFFs – Clojure Civitas - luke-zeitlin
Simplifying Quines - Adrian Smith
Gemma 3 AI model in Clojure - Dragan Djuric
Image Processing with dtype-next Tensors – Clojure Civitas - Daniel Slutsky
Driving 3D scenes in Blender with React - Roman Liutikov
Debut release
Updates
clojurescript 1.12.134 - Clojure to JS compiler
clojure_cli 1.12.4.1582 - Clojure CLI
cursive 2025.2.1 - Cursive: The IDE for beautiful Clojure code
diamond-onnxrt 0.21.0 - Fast Clojure Machine Learning Model Integration
edamame 1.5.37 - Configurable EDN/Clojure parser with location metadata
clj-proj 0.1.0-alpha4 - A native (or transpiled) version of PROJ for both the JVM and JS ecosystems.
babashka 1.12.213 - Native, fast starting Clojure interpreter for scripting
dompa 1.2.0 - A zero-dependency, runtime-agnostic HTML parser and builder.
proletarian 1.0.109-alpha - A durable job queuing and worker system for Clojure backed by PostgreSQL or MySQL.
criterium 0.5.153-ALPHA - Benchmarking library for clojure
aws-simple-sign 2.2.0 - A Clojure library for pre-signing S3 URLs and signing HTTP requests for AWS.
fireworks 0.17.0 - Fireworks is a themeable tapping library for Clojure, ClojureScript, and Babashka.
calva 2.0.541 - Clojure & ClojureScript Interactive Programming for VS Code
bling 0.9.0 - Rich text console printing for Clojure, ClojureScript, and Babashka.
llama.clj 0.9.0 - Run LLMs locally. A clojure wrapper for llama.cpp.
telemere 1.2.0 - Structured logs and telemetry for Clojure/Script
