The new 101.4672 Beta drivers do not appear to bring any further improvements or fixes and appear mostly focused on supporting the Starfield game. There are still plenty of issues with Starfield but Intel notes that further fixes are coming in future driver updates.
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That only works when hardware companies have access to the game game before the release to test, and it doesn’t sound like that was the case with Starfield. Intel, to their credit, got a patch out before most people even had access.
Many developers probably aren’t even testing on Arc because it’s new and that only exaggerates the problem. If they don’t test, they can’t alert Intel to the issue.
My point aren’t standards like most people think of them. They’re often poorly documented, have lots of ambiguity, and many times they contain bugs/mistakes themselves. Intel potentially fully supported DX12 as far as we know, and these are all just weird exceptions.