New version, April 11, 2016:
Just updated and everything works flawlessly.
It's not dead, try again.
There are newer ones. Grab the latest from this folder and follow future announcements on their Google+ community....
Yeah, Android 6 does that. "Security reasons". The only ROM that allows you to use the SD card as you did on Lollipop is Temasek's.
It is not maintained for LTEs, though, so you'll need to do some tweaks to install it. But it's worth it....
First of all, your excitement might have come too soon, as Marshmallow, although does allow SD cards to be used as external storage as one of the two options, it makes it a very painful process because of the read/write restrictions - hence, quite...