commit https://github.com/vim/vim/commit/e8ef3a093453b73594e15462d4de50b011c8ba66 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Oct 12 17:45:29 2016 +0200 patch 8.0.0031 Problem: After ":bwipeout" 'fileformat' is not set to the right default. Solution: Get the default from 'fileformats'. (Mike Williams)

--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    31,
+/**/
     30,
 /**/
     29,