Uploaded files have "Date Modified" changed to now

In Build 1.0.973, uploaded files have the "Date Modified" value altered to the present moment. Is there a setting somewhere that prevents the date and timestamp of uploaded files from being altered?

nop, the file is created when you upload it. So is the new date is issue to the file.
The same happend when you overwrite a file or resume it.

hope this answers help

carlos