True Shadow lets you build beautiful UIs with soft shadows and glows, quickly and painlessly. No more faking soft-shadow with manually created texture.
FEATURE HIGHLIGHT
Emulate glow with colored and textured shadow.
Normal, Additive, Screen and Multiply blend-mode.
Use custom material on shadow.
Build neumorphic UI by combining multiple shadow/glow.
True shadow generation, creating much smoother than SDF based method.
Control over shadow size, spread, offset, color tint and more.
Technical details
Compatibility 
Any sprite is supported, not just simple shapes.
All Image type: Simple, Sliced, Tiled, Filled.
Both uGUI Text and TextMeshPro are supported.
Raw Image, so you can have 2D shadow/glow of 3D objects.
SVG with the Vector Graphics package.
Mask.
Layout Groups.
Builtin support for animating shadows on interactive elements (hover, select, click).
Work with all render pipelines.
Performance 
Fast shadows generation, thanks to the battle-tested algorithm behind Translucent Image, allowing shadows to be generated in real-time.
Shadows are automatically reused when possible, so you can build complex UIs with plenty of shadow casting UIs at once.
Original_Link: https://assetstore.unity.com/packages/tools/gui/true-shadow-ui-soft-shadow-and-glow-205220
Download Links:
Asset Version v1.11 (20 Feb 2025)
Asset Version v1.10 (28 Nov 2024)
Asset Version v1.6.4 (Mar 26 2024)
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