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jdaugherty merged 1 commit into from
Dec 17, 2025
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doc - #15293 - add warning about invokedynamic performance #15296

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10 changes: 10 additions & 0 deletions grails-doc/src/en/guide/upgrading/upgrading60x.adoc
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Expand Up @@ -62,6 +62,16 @@ In your gradle file, you can force a dependency upgrade via this code:
}
----

5. By default, Groovy 4 switches away from callsite optimizations and uses invokedynamic instead. This can result in performance regressions compared to Grails 6. Groovy 5 will remove the ability to disable invokedynamic, but to disable it for Groovy 4, modify your `build.gradle` to include the following:

[source,groovy]
.build.gradle
----
tasks.withType(GroovyCompile).configureEach {
groovyOptions.optimizationOptions.indy = false
}
----

==== 3. Unified Project Version

Grails 7 moved to a mono repository.
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