On Sunday, Bethesda had their E3 2016 press conference, where they announced a bunch of content that are relevant to PC gamers. One of them was Skyrim: Special Edition. It hasn't been added to their website yet, but it updates The Elder Scrolls V with new assets, shaders, and effects. On the PC, it will be free to anyone who has purchased the base game and all of its expansions.
Even better: it is also compiled as a 64-bit application.
One of the original Skyrim's limits, specifically for modders, was that it could only address a little over 3GB of system memory before crashing. Worse: RAM usage was interconnected with GPU memory usage, which further limits the number of assets you can actually load. While there are probably still plenty of ways for Skyrim to crash, especially when third-party content is injected, Skyrim: Special Edition will move the solid, 3GB wall.
DigitalFoundry also claims that the engine itself is updated to a newer branch itself, like what was used for Fallout 4. This makes sense, because several effects would be difficult to do on DirectX 9 (like volumetric god rays). Despite the newer engine version, Pete Hines of Bethesda said “basically, yes” when asked whether existing Skyrim mods would be compatible. This suggests that the internal API would be the same for at least the majority of cases. Interesting!
Skyrim: Special Edition will be available on October 28th.