patch 8.1.2257: MS-Windows GUI: scroll wheel always uses current window Commit: https://github.com/vim/vim/commit/ae20f340adc8c96aeec5cff5ef4f2129035ffca4 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 5 21:09:23 2019 +0100 patch 8.1.2257: MS-Windows GUI: scroll wheel always uses current window Problem: MS-Windows GUI: scroll wheel always uses current window. Solution: Add the 'scrollfocus' option for MS-Windows.

@echo off
rem To be used on MS-Windows for Msys2 with the 32 bit MinGW compiler.
rem Adjust the "c:\msys64" part to match your installation.
@echo on

set PATH=c:\msys64\mingw32\bin;c:\msys64\usr\bin;%PATH%