07 January 2026
Christoph Neumann
Welcome to the Clojure Deref! This is a weekly link/news roundup for the Clojure ecosystem (feed: RSS).
Clojure real-world-data 40: Jan 9
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.
defn episode 2aba8aeedf7d Polylith - @defn podcast
rswan 1.1.0, and other Clojure updates - Clojure Diary
map operation functions in Clojure - Clojure Diary
A simple decorator in Clojure - Clojure Diary
Clojure/Conj 2025
Welcome to the jank alpha! - The jank Programming Language - Jeaye Wilkerson
December Q3 2025 Project Updates - Kathy Davis
OSS updates November and December 2025 - Michiel Borkent
Frontend Development with Clojurescript, Replicant, Nexus and Datascript - Kari Marttila
How can I use the re-frame alpha? - Kimo Knowles
Something Like MDX but with Clojure and Org-Mode for My Personal Blog: Part I - Akira
Calva Multi-REPL - Kari Marttila
Live coding a full game level using only the REPL - Ertuğrul Çetin
Debut release
quiescent - A Clojure library for composable async tasks with automatic parallelization, structured concurrency, and parent-child and chain cancellation
machine-latch - Low-level synchronization primitive with state machine semantics
scoped - ScopedValue in Clojure, with fallback to ThreadLocal
pathling - Utilities for scanning and updating data structures
clj-physics - Multi-domain physics modeling in Clojure: frames, environments, dynamics, EM, and reduced-order CFD helpers.
Updates
Many Clojure contrib libs were updated to move the Clojure dependency to 1.11.4, which is past the CVE fixed in 1.11.2.
rewrite-clj 1.2.51 - Rewrite Clojure code and edn
ClojureScriptStorm 1.12.134-3 - A fork of the official ClojureScript compiler with extra code to make it a dev compiler
browser-jack-in 0.0.6 - A web browser extension that let’s you inject a Scittle REPL server into any browser page.
m1p 2026.01.1 - Map interpolation and DIY i18n/theming toolkit
re-frame 1.4.4 - A ClojureScript framework for building user interfaces, leveraging React
re-frame-10x 1.11.0 - A debugging dashboard for re-frame. X-ray vision as tooling.
hikari-cp 4.0.0 - A Clojure wrapper to HikariCP JDBC connection pool
powerpack 2026.01.1 - A batteries-included static web site toolkit for Clojure
clojure-mcp 0.2.2 - Clojure MCP
rewrite-edn 0.5.0 - Utility lib on top of rewrite-clj with common operations to update EDN while preserving whitespace and comments.