Crease Modifier

A modifier which creases edges by angle, similar to auto-smooth or bevel modifier's angle weighting.

Why? A hard-surface workflow that's growing in popularity is using Remesh, and the general idea is [Booleans -> Crease Edges -> Subdivide -> Remesh -> Corrective Smooth] to nearly automate the process of high-poly creation. The issue however is that in order to crease any edges you have to apply all your booleans, making the workflow destructive, even though the functionality is basically already in place for several other modifiers , or via Select Sharp Edges.

Alternatively, I'd settle for an angle weighting parameter in the SubD modifier under its boundary smoothing options, or better yet a general "edge mark" modifier allowing you to additionally do the same for seams and sharps etc