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Fix Kotlin 2.3 warnings in Android Gradle builds - #59548
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Summary: Kotlin 2.3 introduced warnings that fail the Android Gradle builds when warnings are treated as errors: - API version 2.0 is deprecated. Bump `apiVersion` to `KOTLIN_2_1` in the four gradle-plugin build files, as the previous Kotlin upgrade did when it moved from 1.9 to 2.0. Gradle 9, which React Native requires, ships a Kotlin 2.2 runtime, so the plugin still loads on every supported Gradle version. - `-Xjvm-default` is deprecated in favor of `-jvm-default`. Replace `-Xjvm-default=all` in `ReactAndroid` with its equivalent, `jvmDefault = JvmDefaultMode.NO_COMPATIBILITY`. - Kotlin 2.3 reports unnecessary non-null assertions after a smart cast. Remove the redundant `!!` in `JsonUtilsTest`. Changelog: [Android][Changed] - Bumped the Gradle plugin minimum Kotlin API version to 2.1 Reviewed By: andrewdacenko Differential Revision: D127831836
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Summary:
Kotlin 2.3 introduced warnings that fail the Android Gradle builds when warnings are treated as errors:
apiVersiontoKOTLIN_2_1in the four gradle-plugin build files, as the previous Kotlin upgrade did when it moved from 1.9 to 2.0. Gradle 9, which React Native requires, ships a Kotlin 2.2 runtime, so the plugin still loads on every supported Gradle version.-Xjvm-defaultis deprecated in favor of-jvm-default. Replace-Xjvm-default=allinReactAndroidwith its equivalent,jvmDefault = JvmDefaultMode.NO_COMPATIBILITY.!!inJsonUtilsTest.Changelog:
[Android][Changed] - Bumped the Gradle plugin minimum Kotlin API version to 2.1
Reviewed By: andrewdacenko
Differential Revision: D127831836