Hugo • 6/22/2026

Input methods in GTK4 apps on Wayland

This article discusses the issue of input methods (e.g., for non-Latin scripts) not functioning in GTK4 applications on Wayland, while they work in GTK3, Qt5, Qt6, and other toolkits. The author investigates using WAYLAND_DEBUG and GTK4 source code, finding that GTK4 defaults to a 'simple' input method backend that ignores external input methods. The fix involves exporting GTK_IM_MODULE=wayland or using gsettings, though the latter may not work. The article provides a technical workaround for users who rely on input methods.

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#environment variables #Wayland #Input Methods