Microsoft fixed the bug in April 2018 Update, so the fix isn't necessary if you use this update.
So now the new installer installs SDL 1.2.13 library only on Windows 10 Fall Creators Update (before it installed it only Windows 10 FCU or newer, because we didn't know, in what update the bug will be fixed).
So now the new installer installs SDL 1.2.13 library only on Windows 10 Fall Creators Update (before it installed it only Windows 10 FCU or newer, because we didn't know, in what update the bug will be fixed).