Hi @Anonymous
Currently the number of inputs is capped at 20. Can you share more details on what is the type of the values that you want the user to input? (I see it is text and date) and if the text is a fixed value, you might want to check the Multi Select Option list as a workaround for this.
Alternatively, you can also consider using Microsoft Forms to first send a form to the user and then based on the inputs, update the item on SP.
Hope this Helps!
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