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gcn
About this tag
The tag gcn refers to Graphics Core Next, AMD's GPU architecture used in Radeon HD 7000 series and newer products. Discussions on WindowsForum.com cover AMD driver releases for Windows 10 that include full WDDM 2.0 and DirectX 12 support on GCN-based hardware. The tag also appears in threads about DirectX 12 compatibility, noting that GCN-based AMD chips support the API alongside Nvidia Fermi and Intel Haswell architectures. Topics involve driver updates, Windows 10 compatibility, and gaming performance improvements tied to GCN hardware.
AMD release their driver for Windows 10 Preview.
Ref and download:
Link Removed
Up to date Graphic drivers can always be found in the Update section of the forum:
https://windowsforum.com/threads/graphic-drivers.11365/page-27#post-643920
ref:
DirectX - Wikipedia
So if the above is true there will be no need to upgrade for many of us (not to get DX12 compatibility anyway). Let's hope it's supported in the drivers and applications soon.
Even a test demo to show it's potential would be nice. Direct X 12 contains many features...