S3 Media Download Issue
Using Jamroom
That function is prefixed with a _. Normally you'd not use that directly. That function would normally be called via jrCore_get_media_url() wrapper function that checks which media system is in use, local or remote or other.
Cloudfront is some sort of caching mechanism that has been the cause of questions asked in these forums in the past.
Might be a button you need to click to refresh the cloudfront cache. Not sure sorry, don't understand their system well enough.
