Looks like you recently updated the UI, removing the import DDL button from the toolbar and instead putting it under the left menu (with model name). Took me a while to find it, but eventually I did. BUT, when I try to copy/paste my DDL (generated from existing SQL Server database) into the popup box, it does not behave as expected. Rather than pasting the text I have on my clipboard, it ignores the popup and simply adds a random table (unrelated to the DDL I have on my clipboard) to my model. Not sure when this change took effect, but perhaps it introduced a bug.
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