New ask Hacker News story: Ask HN: Use GTK3 or GTK4?

Ask HN: Use GTK3 or GTK4?
3 by nercht12 | 0 comments on Hacker News.
Currently, GTK3 is still used for the default GUI of some Linux distros, but for how long? Bearing the future in mind, should we develop on GTK3 or GTK4? Or we could ask: How long is GTK3 safe?