SWB
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Comments
Not using a beta driver (it's the machine I use to do real work). However, I am using the latest non-beta Quadro driver, 442.92.
This sounds like the issue that I am seeing. For background, I have a Quadro RTX 4000 card driving three 4K monitors. (I'm an engineer.) I have not tried any custom content; I've only tried a few of the premade worlds. I run Minecraft in fullscreen on my center monitor.
In the Advanced Video settings, DirectX Ray Tracing is available and enabled. However, the upscaling switch is grayed out and disabled. At the top of the screen, it says Upscaling Mode: Fallback.
There's a screenshot in https://bugs.mojang.com/browse/MCAPI-2110
Ah, thanks. I was not aware there was a special driver. (Details at https://www.nvidia.com/en-us/geforce/news/minecraft-with-rtx-game-ready-driver/ for anyone else who finds this and didn't know.) Looks like this is only for GeForce cards for now, so I'll need to wait for Quadro support.