A proposed enhancement, targeted for @groovy.apache.org version 6, adds an optional compile-time null checking mechanism.

𝑪𝒂𝒕𝒄𝒉𝒊𝒏𝒈 𝑵𝒖𝒍𝒍𝑷𝒐𝒊𝒏𝒕𝒆𝒓𝑬𝒙𝒄𝒆𝒑𝒕𝒊𝒐𝒏𝒔 𝒂𝒕 𝒄𝒐𝒎𝒑𝒊𝒍𝒆 𝒕𝒊𝒎𝒆.

Read more about it and provide your feedback:
groovy.apache.org/blog/groovy-...
#groovylang @apache.org

Groovy logo

Versions 5.0.5 and 4.0.31 of @groovy.apache.org are available for download with 23 and 1 fixes and improvements respectively! The number of fixes in Groovy 4 is slowing as we prepare for Groovy 6! Thanks to all involved!
groovy.apache.org/download.html
#groovylang @apache.org

A proposed enhancement, targeted for @groovy.apache.org version 6, adds native async/await as a language-level feature.

𝘼𝙨𝙮𝙣𝙘𝙝𝙧𝙤𝙣𝙤𝙪𝙨 𝙘𝙤𝙙𝙚 𝙞𝙣 𝙖 𝙨𝙚𝙦𝙪𝙚𝙣𝙩𝙞𝙖𝙡, 𝙧𝙚𝙖𝙙𝙖𝙗𝙡𝙚 𝙨𝙩𝙮𝙡𝙚.

Read more about it and provide your feedback:
groovy.apache.org/blog/groovy-...

Loop invariants and AST transformations on loops: a proposed extension for @groovy.apache.org. Feedback welcome. Making the semantics of loops 𝑚𝑜𝑟𝑒 𝑢𝑛𝑑𝑒𝑟𝑠𝑡𝑎𝑛𝑑𝑎𝑏𝑙𝑒 𝑓𝑜𝑟 ℎ𝑢𝑚𝑎𝑛𝑠 𝑎𝑛𝑑 𝐴𝐼.
t.co/uDWkDradhF

The CFP for Community over Code Glasgow (October 11-14, 2026) closes soon.

The Groovy track is seeking talks about @groovy.apache.org, @grails.apache.org, Geb, Spock, Gradle, and other frameworks in the broader Groovy ecosystem. Plus there are 15 other tracks.

communityovercode.org/call-for-pre...

backstroke swimmers at the end of a race

At the @apache.org board meeting a few hours ago, Apache Hugegraph became a top-level project. Congrats to the project & all involved in its incubation & graduation! Let's revisit a blog post using the latest version of their Graph Database with
@groovy.apache.org:
groovy.apache.org/blog/groovy-...

Groovy logo

Versions 5.0.4 and 4.0.30 of @groovy.apache.org are available for download with 23 and 13 fixes and improvements respectively! Includes some important fixes, so please upgrade when convenient! Thanks to all involved! #groovylang @apache.org
groovy.apache.org/download.html

Spock 2.4 has been released 🖖

After three years and seven milestones, Spock 2.4 lands just in time for the holidays, packed with new testing goodies. 🎁

Curious? See here: spockframework.org/spock/docs/2...

What’s your favorite addition?
#groovylang

Groovy logo

Version 5.0.3 of @groovy.apache.org is available for download with 17 fixes and improvements! Thanks to all involved! groovy.apache.org/download.html
groovy-lang.org/releasenotes... #groovylang @apache.org

grouping jdk and eclipse fruity collections with groovy

Grouping collections with @groovy.apache.org to reveal many-to-many relationships:
groovy.apache.org/blog/fruity-...
#groovylang #manyToMany #eclipseCollections #jdkCollections

sunset in background, learning groovy and ai in foreground

Exploring AI with Groovy™ using Ollama4j, LangChain4J, Spring AI 1.1, Embabel, Micronaut & Quarkus (also with AI tools examples):
groovy.apache.org/blog/groovy-ai
@groovy.apache.org @apache.org @quarkus.io @langchain4j.dev #embabel #groovylang #ollama4j #springai #Micronaut #holidaytips

groovy, embabel and agentic design patterns

Agentic design patterns with Embabel and
@ApacheGroovy
groovy.apache.org/blog/embabel...
#groovylang #embabel #ai #agentic

Groovy and AI

Looking forward to presenting some interesting talks on @groovy.apache.org and AI over the next 10 days:

* Oct 30, Auckland JVM Group
www.meetup.com/auckland-jug/

* Nov 2, ChurConf Auckland
churconf.com

* Nov 6, Brisbane JVM Group
www.meetup.com/brisjvm/

#groovylang #ai @apache.org

Groovy logo

Versions 5.0.2 and 4.0.29 of @groovy.apache.org are available for download with 19 and 12 fixes and improvements respectively! Includes JDK 26 support! Thanks to all involved! groovy.apache.org/download.html groovy-lang.org/releasenotes... #groovylang @apache.org

Bulcock Beach at Sunset looking towards Pumicestone Passage

Exploring AI with Groovy™ using Ollama4j, LangChain4J, Spring AI, & Embabel:
groovy.apache.org/blog/groovy-ai
@groovy.apache.org @danvega.dev @langchain4j.dev @apache.org #ollama #springai #embabel #groovylang #holidaytips

Groovy 5 Update and a little bit of AI fun, Thu, Oct 30, 2025, 5:30 PM | Meetup This presentation will be by Dr Paul King is VP Apache Groovy This talk looks at the latest features in Groovy 5 and how Groovy provides a productivity boost even for Java

Looking forward to ChurConf.com in Auckland in a few weeks time. It will be great to catch up with friends old and new, and some great content! Also delighted to be presenting on @groovy.apache.org a few days earlier at the Auckland JVM Group: www.meetup.com/auckland-jug... #groovylang #ai

Highlights from Community Over Code NA 2025 This year's Community Over Code NA 2025 in Minneapolis captured the very essence of what it means to be a welcoming open source community. With highlights from the keynotes from ASF President Ruth…

Not sure whether Community Over Code is worth attending? Take a look at some highlights from this year's Community Over Code North America to see for yourself: buff.ly/U4KvfQP

#opensource #CommunityOverCode

Groovy Goodness: Getting Extension And BaseName For File And Path A blog about Groovy, Java, Clojure, Asciidoctor, Gradle and other cool developer subjects.

Groovy 5 adds new extension methods to File and Path classes. You can now easily get the extension and base name for a File or Path: blog.mrhaki.com/2025/09/groo... #Groovy #Groovy5

Why use Groovy today? Groovy is perhaps best known for filling gaps and removing pain points for Java developers. But it also added some of its own features and was also insp…

Updated slides for my talk on why to use @groovy.apache.org in 2025:
speakerdeck.com/paulk/groovy...
#groovylang #communityovercode @apache.org

Olympic backstroke swimmers smiling at the end of the race

Updated slides for my talk on using 7 graph databases (5 ASF related) and 3 GraphQL libraries with @groovy.apache.org to analyze Olympic record results: speakerdeck.com/paulk/groovy...
#groovylang #communityovercode
@apache.org

whisky bottles and iris flower

Updated slides on using Apache Wayang with @groovy.apache.org and Apache Spark
for cross-platform machine learning and deep learning:
speakerdeck.com/paulk/groovy...
#groovylang #tensorflow #spark
@apache.org

wordle game Looks at writing a wordle-like game in Groovy that incorporates different generations of string similarity technologies including string metrics, phonet…

Updated slides for my talk on creating a wordle-like game in
@groovy.apache.org using multiple generations of machine learning technologies: speakerdeck.com/paulk/wordle... #groovylang #communityovercode #machinelearning #ai #pytorch #tensorflow
@apache.org

groovy logo

Version 5.0.1 of @groovy.apache.org is available for download with 11 fixes and improvements! Thanks to all involved! Keep the feedback coming!
groovy.apache.org/download.html
groovy-lang.org/releasenotes...
#groovylang @apache.org

Slides for my JavaZone talk on creating a wordle-like game in Groovy using multiple generations of machine learning technologies:
speakerdeck.com/paulk/wordle...
#groovylang @groovy.apache.org #machinelearning #ai #pytorch #tensorflow #javazone

Now updated for Wayang 1.1.0 and Groovy 5.0.0!

Groovy logo

‪Version 5.0.0 of @groovy.apache.org is available for download with 600+ fixes and improvements since Groovy 4! Thanks to all involved! This new version is the best version yet to run Groovy on JDKs 11-25! groovy.apache.org/download.html
groovy-lang.org/releasenotes... #groovylang @apache.org

Groovy logo

Version 5.0.0-rc-1 of @groovy.apache.org is available for download with 9 fixes and improvements since the last beta! Thanks to all involved! This new version is the best version yet to run Groovy on JDKs 11-25! groovy.apache.org/download.html
groovy-lang.org/releasenotes... #groovylang @apache.org

Groovy logo

Versions 5.0.0-beta-2 (upcoming) & 4.0.28 (latest stable) of
@groovy.apache.org are available for download with 41 & 19 fixes and improvements respectively! Thanks to all involved!
groovy.apache.org/download.html
Groovy 5 release notes: groovy-lang.org/releasenotes...
#groovylang @apache.org

Groovy logo

Versions 5.0.0-beta-1 (upcoming), 4.0.27 (latest stable) & 3.0.25 (previous stable) of @groovy.apache.org are available for download with 87, 32 & 10 fixes and improvements respectively! Thanks to all involved!
groovy.apache.org/download.html
groovy-lang.org/releasenotes...
#groovylang @apache.org

Gatherers4j just made a new release, let's explore using it with Groovy:

groovy.apache.org/blog/explori...

@groovy.apache.org #groovylang #gatherers4j
CC: @todd.ginsberg.com