All I have to say at this point in time about the 2.9 release is that I'm very disappointed. I'm sure it's just a bug or something, but rendering the default scene with default cube on my RTX 2070 GPU in 2.83.5 takes less than 1 second with 32 samples. The same scene, on the same machine, using the same amount of samples takes 28 seconds. Clearly, there's an issue here.

Also, it must have something to do with Optix, because I usually use the Intel OpenImage Denoiser anyway, but when I switch to Optix denoiser in 2.9, it spits back an error that the values in the denoiser are incorrect? Very strange.

I think I'll wait for the stable version of the stable release before using 2.9.

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