columnview size allocation criticals
Open the settings demo in gtk4-demo, right click on the headers, add the Summary column, observe criticals:
(gtk4-demo:125280): Gtk-CRITICAL **: 14:30:27.212: Allocation height too small. Tried to allocate 323x26, but GtkColumnViewCellWidget 0x4f2ae70 needs at least 323x48.
(gtk4-demo:125280): Gtk-CRITICAL **: 14:30:27.212: Allocation width too small. Tried to allocate 323x26, but GtkColumnViewCellWidget 0x4f2ae70 needs at least 351x26.
(gtk4-demo:125280): Gtk-CRITICAL **: 14:30:27.213: Allocation height too small. Tried to allocate 323x26, but GtkColumnViewCellWidget 0x4fd29c0 needs at least 323x48.
(gtk4-demo:125280): Gtk-CRITICAL **: 14:30:27.213: Allocation width too small. Tried to allocate 323x26, but GtkColumnViewCellWidget 0x4fd29c0 needs at least 407x26.
(gtk4-demo:125280): Gtk-CRITICAL **: 14:30:27.214: Allocation height too small. Tried to allocate 323x26, but GtkColumnViewCellWidget 0x4fe9950 needs at least 323x48.
(gtk4-demo:125280): Gtk-CRITICAL **: 14:30:27.214: Allocation width too small. Tried to allocate 323x26, but GtkColumnViewCellWidget 0x4fe9950 needs at least 331x26.