Currently, we cannot export smart crops to PNG or any other format. The only supported format is JPG. This is quite tricky since in our org, the recommended image format is PNG
Use-case:
See above
Current/Experienced Behavior:
See above
Improved/Expected Behavior:
Be able to select the format output for smart croups
Environment Details (AEM version/service pack, any other specifics if applicable):
I understand you are referring to this feature in Dynamic Media. Please note that currently the idea section of the community takes improvement requests for AEM core packages. Please let me know if my understanding is correct.