User Profile Reset: No
User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0
See http://vmiklos.hu/blog/cloud.html along with Bug 100153 and its counterpart Bug 96052 for a good overview on how to fix OOXML shape issues.
Shapes in OOXML are displayed either as a DrawingML object using the <w:drawing> tag or a VML object using the <w:pict> tag.
Adjusting META bug to reflect that it's a general OOXML shape tracker, not specific to DOCX.