commit https://github.com/vim/vim/commit/8aefbe0ad5d05ee7225b20024b0f3023286ebd0f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 23 20:13:16 2016 +0100 patch 7.4.1405 Problem: Completion menu flickers. Solution: Delay showing the popup menu. (Shougo, Justin M. Keyes, closes https://github.com/vim/vim/issues/656)

README_src.txt for version 7.4 of Vim: Vi IMproved.

The source archive contains the files needed to compile Vim on Unix systems.
It is packed for Unix systems (NL line separator).

For more information, see the README.txt file that comes with the runtime
archive (vim-7.4-rt.tar.gz).  To be able to run Vim you MUST get the runtime
archive too!