Microsoft recently announced the release of DRED (Device Removed Extended Data) for D3D12 in the Windows 10 May 2019 Update (previously referred to as the Windows 10 19H1 Preview). Buried in that post is a mention that Microsoft is working on a debugger extension to help simplify post-mortem analysis of DRED.
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DRED stands for Device Removed Extended Data. DRED is an evolving set of diagnostic features designed to help identify the cause of unexpected device removal errors, delivering automatic breadcrumbs and GPU-page fault reporting on hardware that supports the necessary features (more about that later).