Packages with the gtk4 use flag

app-i18n / ibus : Intelligent Input Bus for Linux / Unix OS

  • Enable the GTK-4 input method module

net-vpn / networkmanager-sstp : Client for the proprietary Microsoft Secure Socket Tunneling Protocol(SSTP)

  • Use gui-libs/gtk for GUI support.

net-vpn / networkmanager-strongswan : NetworkManager StrongSwan plugin

  • Use GTK4 instead of GTK3.

www-client / chromium : Open-source version of Google Chrome web browser

  • Build with GTK4 headers.

x11-themes / arc-theme : A flat theme with transparent elements for GTK 2/3/4 and GNOME Shell

  • Install GTK+4 theme