after study , I think the problem is in vim-gtk3. "unset GTK_MODULES" works because vim-gtk3 doesn't use menu bar in this way. check my post at https://github.com/vim/vim/issues/851.
after study , I think the problem is in vim-gtk3. /github. com/vim/ vim/issues/ 851.
"unset GTK_MODULES" works because vim-gtk3 doesn't use menu bar in this way.
check my post at https:/