Whats Going On With My Fluid

Looking for a little help here, so creating just a simple scene with fluid running down some ramps but instead of running down them its just going to the sides.

Wondering where I am going wrong?

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I just tried it and found you need to activate “fractional obstacles” on your domain. This setting will allow diagonal obstacles to actually be treated as a proper diagonal and improve their quality.

Hi, you are correct, the fluid flows a lot better, I am not sure its exactly right but its certainly improved. But why? I never had to do this before in 2.9, is it new to 3?

Looking at the release notes, there doesn’t seem to be any changes to the fluids, so I have no idea what’s happening.