Earlier quoted context omitted.
No. I actually went to GNOME's IRC network the other day to talk to them about gtkfilechooser's multiple problems. Yours, and then the lack of text input for typing or pasting file paths. https://gitlab.gnome.org/GNOME/gtk/-/issues/938 . They said they have no one assigned to gtkfilechooser bugs and none will be addressed. I was able to download the debian source for a couple gtk applications (ie, gedit/pluma) and ap…
And now everybody should look for a text from 2003 written by jwz mentioning the "Cascade of Attention-Deficit Teenagers model" and slowly read it again, then think how much time passed since.
They are busy working on various things, this is certain, and these things are apparently more important for them. Like, well, GTK4.
I suppose most Red Hat customers are corporate, and when they ask for featureful Linux desktop, they likely mean playing nice with corporate systems. This is why Evince is such a good PDF viewer, compared to a lot of others; it can even fill in forms. This is why the file chooser without image preview is fine as is for corporate use, because I suppose that 0% of graphic designers choose a Linux machine in a corporate setting.