blueimp/jQuery-File-Upload — pull request #1211 by wcheng (2012-04-17 19:50:28+00:00)
Title: file.slice used incorrectly

file.slice has a different signature (file, start, length) compared to file.mozSlice and file.webkitSlice (file, start, end). Thus chunked uploads is broken for browsers (e.g. Firefox 4) that use file.slice.