Hello dear sculptors! I would like to present you Sculpt Layers for Blender 2.9+. Your art director and clients will be happy!
Add/Remove/Join/Erase layers.
Sculpt Layers can work with a Multires modifier
Possibilty to import layers from Zbrush into the Sculpt Layers.
V0.6:
ShapeKeys Support for the Multires Modifier!
Also available at https://blendermarket.com/products/sculpt-layers?ref=2
Pavel Geraskin