COLLECTION AND RESOURCES
In this new version, Project Substance Alchemist supports more your input files through the resources panel.
1- Add a local folder including many Substance files using the resources panel, preferably having multiple subfolders
2- Once the folder is visible in the resource panel, browse your content
3- Undock the resource panel and browse it in this context
4- Choose any file you'd like to work with in your layer stack