I am able to reproduce the issue as you mentioned by converting your template Excel file to SVG. I found chart lines in output SVG are misaligned.
We need to evaluate your issue in detail. We have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.
Issue ID(s): CELLSNET-54218
You can obtain Paid Support Services if you need support on a priority basis, along with the direct access to our Paid Support management team.
The issues you have found earlier (filed as CELLSNET-54218) have been fixed in this update. This message was posted using Bugs notification tool by johnson.shi