github.com/containers/podman/v5@v5.1.0-rc1/docs/source/markdown/options/features.md (about)

     1  ####> This option file is used in:
     2  ####>   podman manifest add, manifest annotate
     3  ####> If file is edited, make sure the changes
     4  ####> are applicable to all of those.
     5  #### **--features**=*feature*
     6  
     7  Specify the features list which the list or index records as requirements for
     8  the image.  This option is rarely used.