The BFG Edition will feature “greatly enhanced graphics”, better sound with more horror effects, a checkpoint save system, and support for 3D displays and HMDs. The game will also include the previous expansion Resurrection of Evil and a new single player expansion pack called The Lost Mission. Additionally, it will include copies of the original Doom, and Doom 2. The BFG Edition will also feature the ability to use the flashlight while holding a weapon, in the form of the so-called armor-mounted flashlight.
Bellow you can see the release date: