Gradle 5.3-rc-3 is now available for testing

Gradle 5.3 RC3 is available for testing; see the release notes.

We are still seeing

* Exception is:
java.lang.AbstractMethodError: Receiver class org.asciidoctor.gradle.jvm.AsciidoctorJExtension_Decorated does not define or inherit an implementation of the resolved method abstract getExtensions()Lorg/gradle/api/plugins/ExtensionContainer; of interface org.gradle.api.plugins.ExtensionAware.
	at org.gradle.kotlin.dsl.provider.plugins.DefaultProjectSchemaProviderKt$targetSchemaFor$1.invoke(DefaultProjectSchemaProvider.kt:72)
	at org.gradle.kotlin.dsl.provider.plugins.DefaultProjectSchemaProviderKt$targetSchemaFor$1.invoke(DefaultProjectSchemaProvider.kt:74)
	at org.gradle.kotlin.dsl.provider.plugins.DefaultProjectSchemaProviderKt.targetSchemaFor(DefaultProjectSchemaProvider.kt:98)
	at org.gradle.kotlin.dsl.provider.plugins.DefaultProjectSchemaProviderKt.access$targetSchemaFor(DefaultProjectSchemaProvider.kt:1)
	at org.gradle.kotlin.dsl.provider.plugins.DefaultProjectSchemaProvider.schemaFor(DefaultProjectSchemaProvider.kt:41)
	at org.gradle.kotlin.dsl.accessors.AccessorsClassPathKt.schemaFor(AccessorsClassPath.kt:139)
	at org.gradle.kotlin.dsl.accessors.AccessorsClassPathKt.configuredProjectSchemaOf(AccessorsClassPath.kt:134)
	at org.gradle.kotlin.dsl.accessors.AccessorsClassPathKt.buildAccessorsClassPathFor(AccessorsClassPath.kt:71)
	at org.gradle.kotlin.dsl.accessors.AccessorsClassPathKt.access$buildAccessorsClassPathFor(AccessorsClassPath.kt:1)
	at org.gradle.kotlin.dsl.accessors.AccessorsClassPathKt.projectAccessorsClassPath(AccessorsClassPath.kt:64)
	at org.gradle.kotlin.dsl.execution.Interpreter$ProgramHost.accessorsClassPathFor(Interpreter.kt:426)

Gradle project compiled with 5.1.1. Testing using 5.3-rc-3 and Kotlin DSL. I thought this issue that first appeared in 5.2 has been fixed, but seemingly https://github.com/gradle/kotlin-dsl/issues/1353 has not.