AppleScript to Save Excel Chart as PNG Broken after Recent Update
Solution 1:
I'm posting the resolution here with the hope that it will help others not waste their time as I have over the last few days. It turns out that saving a chart as an image via automation (both AppleScript and VBA) is broken in Excel 16.10 and 16.11. I had to revert to Excel 15.41, and now the code is working again.