@MutedJam I’ve been facing this same problem. From what I understand, the Google Drive node is no longer converting to the indicated file type (or it’s just not changing the MIME Type, I’m not sure).
See an image of a workflow that ran on 12/12/2022. Notice that the target file type of google slides is “To PDF”, and in the node’s output we can see the correct MIME Type (application/pdf).
In this other image, from today’s run, exactly on the same node of the same flow (where I haven’t made any changes since the date mentioned above), we see that the destination file type of google slides is “To PDF”, but in the output from node we can see that the file extension has not changed and the MIME Type has not changed either. Looks like a bug to me.
