While Apache Groovy has moved on to versions 3.0, 4.0, and beyond, 1.8.9 is often sought for two main reasons:
For projects requiring all modules in one file, use the groovy-all 1.8.9 archive . groovy 1.8.9 download
Groovy 1.8.9, released on February 15, 2013, remains a critical legacy version for developers maintaining older Java applications or building specific mods. This release was the final maintenance update of the 1.8 line, primarily focused on stability and fixing a significant issue with the ConfigSlurper class in Java 8 environments. Where to Download Groovy 1.8.9 While Apache Groovy has moved on to versions 3
You can verify the specific bug fixes and performance improvements in the official 1.8.9 changelog . Why Developers Still Use Version 1.8.9 Where to Download Groovy 1
If you are using Gradle or Maven, you can pull the dependency directly. Repository Link: org.codehaus.groovy 1.8.9
As an older release, Groovy 1.8.9 is no longer hosted on the main download page for current versions. You can find the necessary binaries and JAR files through these official archives: