commit https://github.com/vim/vim/commit/9fe885e49ade94e6277db0dd18a5bbc1c94c60c4 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 8 16:06:55 2016 +0100 patch 7.4.1515 Problem: Channel test is a bit flaky. Solution: Instead of a fixed sleep time wait until an expression evaluates to true.

--- a/src/version.c
+++ b/src/version.c
@@ -744,6 +744,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1515,
+/**/
     1514,
 /**/
     1513,