Edit date format in the new experience of creating Datasets vs Old experience

Hi all!

I am trying to create a dataset with changing the datatype to date, for my analysis and the format of date is like: 2025-12-09T12:59:02.133692 : yyyy-MM-dd’T’HH:mm:ss.SSSSSS

My requirement works with old version of creating the dataset by editing the date format. But failed with new version. Did I miss anything. If Yes, Please direct me in fixing the issue in new version, or is it a bug with the new version ?

Old Version : working as expected (below screenshot)

New Version: By hitting the validate button is not showing the results under Formatted values. (below screenshot).

Thank you!

Hi @praveen.gp,

I see what you mean, I just tested out as well and received similar behavior regarding the string format you are using. What’s odd is that if you make an adjustment, it will tell you when there are fields that don’t match the format, so this is interesting behavior that it’s not showing an error or allowing you to ‘Update’.

This may be a bug in the new experience; so I would suggest sticking to the old experience for this scenario for the time being. I’m going to loop in someone else for visibility as well!
@vignessh.b

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@praveen.gp (cc: @Brett ) This is tied to JODA date format which is currently not supported in the new experience (called out in the unsupported features below). We plan to support this format soon.

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