Summary of the Enhancement
Permit customers to configure extensions of files that are allowed by Share file-upload components.
Steps that show the current behaviour
Without JS customizations it is not possible to limit file extensions allowed by file upload components.
Currently it is possible to override the filter objects passed in the file-upload configuration within dnd-upload.js, file-upload.js, flash-upload.js, and html-upload.js to limit extensions allowed.
Ability to define allowed extensions within a configuration file.
This is a basic feature that is likely to interest many customers that would like to use Share to store only some file from defined types (images, documents).