JavaFX very much needs a top-level headless platform (for testing, server-side rendering, and more). PR is currently in review: https://github.com/openjdk/jfx/pull/1836
8324941: POC for Headless platform for JavaFX by johanvos · Pull Request #1836 · openjdk/jfx

After spending a year in the sandbox repository, the Headless Platform is now ready to be reviewed in the main repository. the Headless Platform The Headless Platform is a top-level com.sun.glass.u...

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