Convert a smart object to layers in Photoshop CC 2020 (and probably CC 2021 2022 etc) via the layer menu and via the properties panel. This is a new feature to convert a smart object into layers (which in turn could be smart objects and they can also then be broken down) to create a layer structure of all the component parts of a smart object. Sadly, you can select multiple smart objects and one click, convert all the entire smart objects into a single set of component layers (such as shapes, text etc) - would be handy for some situations, I guess. Anyway, you could always access the components but this was spread over multiple PSB files. You can then re-build the smart objects from those paths etc
By Andrew Buckle. Photoshop custom shapes, Illustrator symbols, plug-ins, brushes, styles, picture tubes, gradients and many more for Photoshop and Photoshop Elements and Affinity Photo, Affinity Designer, Krita, Paint Shop Pro and Painter.. as well as fonts, patterns, textures etc for many others. Programming as well as designs and arts and scrap booking and a little more