I'm running the newest Linux Mint 21.3 yet the newest update on Fopnu cannot be installed. Its stating it wants libgtk 3.6 or greater. I added libgtk 4.0 and rebooted my system, nothing changed. Still stating that dependency is libgtk 3.0 and wants libgtk 3.6 or greater. The GTK website is ancient, with the latest offering back in 2022 and 2.x something.

I suggest adding a working link to a set of working GTK library files so we can run the newest Fopnu releases on our linux ubuntu boxes.

Anyone help with this? I'm running the newest Linux Mint 21.3 Virginia OS and have had to fall back to Version 1.61 just to use this application.

Fopnu v1.63 has been released and this problems should be solved.
If not, please report back here.