Show dates in ISO format
This discussion was created from comments split from: Changing format of date field.
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In user-editable date fields, note that you can always enter ISO dates to avoid ambiguity, and many translators will save in ISO format for the same reason.
In the future we'll likely provide a way to display a locale-formatted version of a cleanly parsed date (e.g., to avoid inconsistent formats in the Date column in the items list).