Steps to Reproduce
Plant sugar cane.
Slowly walk up to it from 3 blocks away until you are standing inside it.
Expected
Per the 1.21.100 changelog
Sugar Cane clusters will now become slightly transparent when the camera passes through them
Sugar cane should look like stained glass or water, which have transparency in their textures, when the camera is inside of it. If the intent is for the transparency to increase as the camera gets closer, then the sugar cane should fade during step (2).
Observed results
Sugar cane dissolves. This is a distinct visual effect from fade. A dissolving texture does not become partially transparent, it disappears in a pattern. For a simple explanation of the difference between fade and dissolve, see https://torchinsky.me/stylized-vfx-unity-01/ .
[media]
The dissolve effect is much more noisy and distracting than fade, and is therefore better suited to draw attention to a transition than to make an element feel peripheral. I find it hard to believe that dissolve was the intended effect when the design spec was to increase accessibility.