FYI <Gradle 9.0.0-M9> is now published. It include...
# gradleo
Oleg Nenashev
05/27/2025, 4:13 PMFYI Gradle 9.0.0-M9 is now published. It includes updates to Kotlin 2 and the K2 Compiler, as well as bumping to Java 17 as a minimum version, and most of the deprecation removals. Testers and any feedback are welcome!
More about the upcoming Gradle 9 release: https://gradle.org/whats-new/gradle-9/
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gradle intensifies 17
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suresh
05/30/2025, 3:59 AMDoes Kotlin Multiplatform build work correctly with Gradle 9.0? In a sample project I tested, some tasks produced the following error (regardless of whether the configuration cache was used).
For wasm target,
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* What went wrong:
Configuration cache state could not be cached: field `__packageJsonFiles__` of task `:wasmRootPackageJson` of type `org.jetbrains.kotlin.gradle.targets.js.npm.tasks.RootPackageJsonTask`: error writing value of type 'org.gradle.api.internal.provider.DefaultListProperty'
> Resolution of the configuration ':web:wasmJsNpmAggregated' was attempted without an exclusive lock. This is unsafe and not allowed.suresh
05/30/2025, 4:01 AM@tapchicoma do you have any info on 9.0 support?
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hfhbd
05/30/2025, 7:59 AMIMHO the whole JS Gradle stuff should be revisited to not use the root project as value storage and a global lock file but a sourceSet/compilation per project based lockfile like you can in Java.
And setting up the repositories in the settings file is complex.
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tapchicoma
06/02/2025, 9:13 AMWe are planning to improve some JS parts later this year - mostly for isolated project feature support. But this will require redoing npm dependencies integration.
tapchicoma
06/02/2025, 9:14 AM@tapchicoma do you have any info on 9.0 support?Kotlin/JVM 2.1.21 should work with Gradle 9.0. Kotlin/KMP 2.1.21 has some issues which we are planning to address either in 2.2.10 or 2.2.20 releases.
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tapchicoma
06/02/2025, 9:15 AMYou could follow this issue: https://youtrack.jetbrains.com/issue/KT-55224/Compatibility-with-Gradle-9.0-release
tapchicoma
06/03/2025, 9:45 AMUpdate: KMP in general should also work fine with Gradle 9.0 if
kotlin.kmp.isolated-projects.supporth
hfhbd
06/03/2025, 9:47 AMYeah, but Gradle isolated project won't work with Kotlin/JS due to https://github.com/gradle/gradle/issues/30745#issuecomment-2932529079
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tapchicoma
06/03/2025, 9:48 AMThis mode is also enabled if isolated projects are not enabled. It changes how KMP works with intra-projects dependencies
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suresh
06/03/2025, 2:01 PMThis mode is also enabled if isolated projects are not enabled.
org.gradle.unsafe.isolated-projects=false3 Views