How to show thumbnails of images stored on Google Drive on Google Sheets?

I have a Google spreadsheet that contains hyperlinks to files stored on my Google Drive using a HYPERLINK formula.

Opening the spreadsheet and hovering the cursor over the link, I can see a thumbnail preview and that’s pretty neat (if you feel lucky, try yourself on this example sheet)!

thumbnail preview

However, this doesn’t happen for my collaborators, and indeed if I open the same spreadsheet with another account with similar access rights (on the spreadsheet and on the image) I don’t see any thumbnail preview.

You can try the example I took the screenshot of here. Is this feature currently available on selected accounts only, or am I missing something?

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Author: Davide Fiocco