I am using the Visual Composer and Grid Builder to create Grid Views of Types custom post types. If it´s a single line or a url, it is displaying the information correctly (using the wpcf prefix). However if I want to display a date it's showing some strange data (I guess this is kind of a raw data). Is there a fix for this?
This is a Timestamp you see there, and that is what the Date Field stores in the Database when you save a new Date.
To render a valid date certain PHP Functions need too be run, and Visual Composer or other 3rd Party Plugins do not know that this is a Date field stored as a Timestamp - the same problem happens often with 3rd Party Fields that cannot be rendered fine with Toolset.
Now, what you can do is use our own ShortCode to display that Field (you can insert our ShortCodes almost anywhere in a Text Editor, also page builders), or you need to create a Custom Code which re-calculates the Timestamp to a readable Date:
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It is not possible to tell Visual Composer how to render this field - the composer just renders the Raw data, and this it does very well, as it seems.