"jQuery UI is in maintenance-only mode. Users should not expect any new releases, though patches may be issued to resolve critical security, interoperability, or regression bugs."

[marclaporte]

Source: https://blog.jqueryui.com/2021/10/jquery-maintainers-update-and-transition-jquery-ui-as-part-of-overall-modernization-efforts/

elFinder uses jQuery UI:
https://github.com/Studio-42/elFinder/tree/master/jquery

What do you think?

Thanks!