commit https://github.com/vim/vim/commit/36edf0685c8b55ee3ce709058d83ada8027fec1e Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 21 22:10:12 2016 +0200 patch 7.4.2089 Problem: Color handling of X11 GUIs is too complicated. Solution: Simplify the code. Use RGBA where appropriate. (Kazunobu Kuriyama)

For information about installation of Farsi fonts and Vim usage in Farsi mode,
refer to the Farsi help file by typing ":help farsi" in Vim.