I think Saxon 13 is going to require Java 17. You might have opinions about that. https://blog.saxonica.com/norm/2025/10/15-saxon13.html
Two steps forward…QT4CG progress

Norm Tovey-Walsh's Saxonica weblog.

Saxon Chronicles (in a Norman style)

@ndw Far as I can tell from inquiring of the package manager, "latest" is Java 25. Being eight versions back of current doesn't seem like you're pushing novelty.

(Open JDK moves a good deal quicker, at least in terms of numbers, than historical Java. But it's been like that for quite awhile now.)