It seems more Oracle than Gluon: https://github.com/openjdk/jfx/graphs/contributors
The whole space is a lot more icky than one would like it to be.. Which is unfortunate b/c while it doesn't have a billion features, it's a nice composable reactive framework to use (at least from cljfx/clojure)
There was a time Oracle decided it wasn't worth the investment, note that it started as E3 scripting under Sun and it was only finalised after the acquisition.
So a few Java champions took over it at Gluon.
Then when Java 26 was released, Oracle reintroduced support for JavaFX,
https://www.oracle.com/news/announcement/oracle-releases-jav...