BUG with picture URLs

[Dan_Oliphant]

I have been using picture URLs to add signatures to a pdf doc. I just got a phone call that the images no longer show up. I have been using this for a few years without issue. When I went into the spreadsheet to look, when I click on the url, is says Bad Request.

[Steve]

This?

Call to Action for Apps Constructing URLs to GetTableFileUrl Announcements

We recently made a security enhancement wherein image and file type columns have signed URLs generated for them. This enhancement prevents an app user from changing the table name or file name parameters in order to access app files that they should not. In the near future, we are going to start requiring calls to the gettablefileurl and getappfileurl endpoints to have valid signatures. What does this mean for you? If you have an app where you are manually constructing a link to a gettablefileu…

[Dan_Oliphant]

thanks steve. Now the URLs are working again. The =IMAGE cell next to it is still not showing the signature? =if(isblank(EP1879),"",IMAGE(EP1879,2))