> so difficult to upgrade to new versions
Perhaps, because GTK developers insist, that GTK2, GTK3, GTK4 are different toolkits.
> Qt4 to Qt5 usually only involved ...
I'd start with Qt3 to Qt4.
Perhaps, because GTK developers insist, that GTK2, GTK3, GTK4 are different toolkits.
> Qt4 to Qt5 usually only involved ...
I'd start with Qt3 to Qt4.
Especially when comparing Qt against a library who couldn't keep its shit together for 5 years and is infamous for breaking all sorts of API and removing features.
It's not possible to move forwards fast anywhere.
> and removing features
Yeah, this is indeed very unfortunate. They claim the GTK core team is about 2 devs, so tiny that we're lucky the development goes further at all. Hard to understand considering Red Hat became part of IBM.