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dagster

So like I could show a little thumbnail of an image when its done processing

not html - but you could use `EventMetadataEntry.url` to provide a link to view it

Output previews is a huge improvement theme, I agree!
that would be awesome to preview dataframes, charts, finished papermill notebooks, images

That's a start at least :slightly_smiling_face:

And yeah, the actual thing I'm imagining would be an iframe with a GLTF model viewer O:-)

You can use <https://docs.dagster.io/_apidocs/solids#dagster.EventMetadataEntry.md|https://docs.dagster.io/_apidocs/solids#dagster.EventMetadataEntry.md> to display markdown, and you can have arbitrarily html in markdown 

I believe you can just have an iframe tag and it’ll just work 

Heh, haven't gotten that far yet. After a weekend of crunch I've been in recovery mode for a bit :slightly_smiling_face: