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Error while generating release bundle with minifyEnabled true option. Here are the Gradle settings which give me the error:

buildTypes { release { minifyEnabled true shrinkResources true proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } }

I also see that task transformClassesAndResourcesWithR8For... takes too much time (up to 10-20 mins)

The error: java.lang.OutOfMemoryError: GC overhead limit exceeded in Gradle task transformClassesAndResourcesWithR8ForCommonRelease

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Reset to default
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Instead of turning of R8 a solution will be to raise the JVM heap size for the gradle daemon by adding/changing the value of org.gradle.jvmargs in gradle.properties (in the root of the Adroid Studio project):

 org.gradle.jvmargs=-Xmx2G

If that is not enough try going to 4G. The memory use of R8 have been growing, and for 3.4 there has been OOM issues on some apps.

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