RU.EXE + RU.EFI 5.21.0344 released

UEFI ROM improvements, see blog post for details. See the blog post for the password to the password-protected zip, as well.

This is closed-source third-party freeware, not open source. Be careful when running freeware from unknown sources.

http://ruexe.blogspot.com/2018/07/ru-5210344.html

https://github.com/JamesAmiTw/ru-uefi/commit/e7392acc7928461e92da12f211bf65b442cd6d69