I can recommend lots of good albums from the past three years for people looking for something newer. These are some of my absolute favorites of the entire genres so I believe you will enjoy them.

Black Metal: Years Past Matter by Krallice, 2012
Progressive Black Metal: Portal of I by Ne Obliviscaris, 2012
Mathcore: Tree of Tongues by Exotic Animal Petting Zoo, 2012
Progressive Rock: Asymmetry by Karnivool, 2013
Progressive Metal: Liminal by Exivious, 2013
Progressive Death Metal: The Flesh Prevails by Fallujah, 2014
Melodic Death Metal: Beyond by Omnium Gatherum, 2013
Technical Death Metal: The Lucid Collective by Archspire, 2014
Post-Black Metal: Sunbather by Deafheaven, 2013
Post-Metal: Glass Cathedrals by The Mire, 2014
Post-Rock: Shelter by Alcest, 2014