Gtkd and Gtk4

[RSY]

On Friday, 1 January 2021 at 08:25:49 UTC, Alireza SN wrote:
> GTK-4.0 was released a few weeks ago and new projects will 
> start using it instead of GTK3 and a lot of older project will 
> also be ported to GTK4.
>
> GtkD is one of my favorite toolkits when it comes to GUI 
> programming and I have been developing lots of personal 
> projects with it this year. But it seems like there isn't much 
> activity in GtkD development and there are no plans to support 
> GTK4 which makes me sad.
>
> I hope GtkD catches up, and I thank everyone who spent their 
> time and effort to make it possible.

D binding seems to be already generated

Have you tried to just rerun the generator with gtk4 source?