RFR: JDK-8321984: IGV: Upgrade to Netbeans Platform 20

Thu Dec 14 12:58:38 UTC 2023

On Thu, 14 Dec 2023 11:36:28 GMT, Tobias Holenstein <tholenstein at openjdk.org> wrote:

> Upgraded IGV and dependencies to the newest Netbeans Platform 20 which was released on December 2023.
> 
> Tested that IGV still behaves as expected after the upgrade.

Thanks for doing this, Tobias. If we are raising the minimum JDK version to 17, it would make sense to make the dependency on `nashorn-core` unconditional (in `src/utils/IdealGraphVisualizer/Filter/pom.xml`).

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Changes requested by rcastanedalo (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17106#pullrequestreview-1781758306