Multi-release jackson-core 2.15.2.jar not working with gradle 4.10.4 & shadow plugin version 4.0.4

[Princee7]

Please check the User Guide before submitting "how do I do 'x'?" questions!

Shadow Version 4.0.4

Gradle Version 4.10.4

Expected Behavior

Should add jackson-core-2.15.2.jar which is multi release inside output.jar while compiling with jdk8

Actual Behavior

Falling compilation with unsupported class file major version 61

Gradle Build Script(s)

Content of Shadow JAR (jar tf <jar file> - post link to GIST if too long)

Tried adding attributes ''Multi-release': 'true' inside manifest{} of shadow task

[DreierF]

Sounds like your issue could be easily solved by updating the shadow plugin to the latest version (8.1.1 at the time of writing), which also requires to update Gradle.