All, There is a known performance bug in gtk_tree_store_set function used by SWT:
https://gitlab.gnome.org/GNOME/gtk/-/issues/2693 I am not an expert in GTK3, but is there any possibility to avoid using gtk_tree_store_set? I think some of SWT performance bugs are related to this GTK problem: - https://bugs.eclipse.org/bugs/show_bug.cgi?id=349869 - https://bugs.eclipse.org/bugs/show_bug.cgi?id=383733 Thanks. Laksono
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