Reference/Release Notes/2.81/Eevee

Blender 2.81: Eevee

Transparent BSDF

Transparency handling has been reworked and now supports the same BSDF combinations as Cycles (d5002f007e8d).

Example of effect that could not be done with previous transparency
Associated node tree

The Additive and Multiply blend mode have been replaced by shader equivalent that is compatible with Cycles. Compatibility code has been added to load blend file containing materials using these deprecated blend modes, but there is a corner case where it can fail. (13d469e6f0c5)

Node setup replacing deprecated blend modes.

Holdout

Holdout is now supported and works with both opaque and semi transparent surfaces. (67c10dbf1322)

Holdout shaders examples.