GTK 4

GTK - Wikipedia

Caolán McNamara: First Cut at a GTK4 Port of LibreOffice

File:Gtk4 media playback.webm - Wikimedia Commons

Another new GTK 4 music player g4music - Gnome - EndeavourOS

GTK4's Broadway HTML5 Backend Coming Back To Ubuntu, Debian - Phoronix

Horrible GTK3 / GNOME UI design is leaking into Ubuntu Mate applications in 20.04 - Thoughts & Feedback - Ubuntu MATE Community

Is there any future for the GTK-based Desktop Environments? – Homo Ludditus

Getting Started with GTK4 on Windows ::

GTK 4.0 – GTK Development Blog

Is there any plan to update the app to gtk4 libadwaita new design - English - Ask LibreOffice

NewsFlash RSS Reader Has Been Ported to GTK 4 - OMG! Ubuntu

GTK 4 GL Shaders Demo (GTK Blog)

Build and run GTK 4 applications with Visual Studio

Development: Exchange Libreoffice Main Frame with a GTK4 one? - English - Ask LibreOffice