OJS upgrade from 2.4.2.0 to 2.4.8.5

Software Support
2

Yes, you are.

You will also need to take in consideration this:

TL;DR;

Supplementary files will be visible or invisible to readers depending on the destination version:

  • If you want to make them visible, make a pit-stop at 3.1.2-4 (and then jump to 3.3 LTS or whatever).
  • If you want to keep hide them, upgrade to version 3.2.1-6 (or stable-3.2).

Cheers,
m.