Honorbuddy V2.5.6519.513 is not compatible with DX11 on Windows 8 Pro X64. This issue happened during the last update and Tony provided me with a beta that fixed the issue. I just wanted to let you know that the issue came back.
Yes, it only works with DX9. The problem is exactly like it was on the last release. It's usable (so i'm not complaining), i'm just giving the Devs feedback. DX11 offers better performance for compatible GPUs but as long as it's usable i'm happy