Partially requested before. I often have internet connection difficulties and similar problems.
It would be great to have a pause option in the upload window to stop and later resume uploads.
It would also be great if the restart upload button could be used unless an upload is detected to have stalled.
At the moment I have a crap connection trying to use for uploading photos but it often breaks and PM (I don't know how or why) dont sense the connection broke so I cannot click restart, nor does it continue after signal returns. So I have to cancel the upload and start from the beginning what is not just very time consuming (mostly for regenerating again the files for upload) but also very space consuming too...
I hope you can improve on this aspect.