Dithered Culling System (URP)
This package allows you to easily add objects fading when they occur between camera and the player,using dithered effect you can easily add to your custom hlsl shader or graph shader.
by INab Studio
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Package let's you easily add fading objects functionality. You can adjust the minimal opacity of the faded object and time of the fade.
You could also take a look at standard transparency approach for fading objects which does not require customizing shaders: