commit https://github.com/vim/vim/commit/2a67ed83a885e8e65e25498660dae4f34d532c7b Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 10 21:52:42 2016 +0200 patch 7.4.1915 Problem: The effect of the PopupMenu autocommand isn't directly visible. Solution: Call gui_update_menus() before displaying the popup menu. (Shane Harper, closs https://github.com/vim/vim/issues/855)