patch 8.1.1399: popup windows not adjusted when switching tabs commit https://github.com/vim/vim/commit/ec58384afa0dc1678afd7b8d19b4645ac2f73f42 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 26 14:11:23 2019 +0200 patch 8.1.1399: popup windows not adjusted when switching tabs Problem: Popup windows not adjusted when switching tabs. Solution: Save and restore first_tab_popupwin. Fix closing a tabpage.

@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%