title: Why has the behavior of `input type="date"` changed?
body: <p>Date inputs such as <code>&lt;input type="date" name="due_date" id="due_date" min="2011-09-01" maxlength="10" class="span8"&gt;</code> in Chrome used to allow the user to see a "pop-up" calendar to help choose a date. I noticed yesterday that behavior has stopped; the input only allows the user to arrow up/down the date parts (month/day/year). I visited the Chrome blog and ran a Google search, but can't find any mention of this change. <strong>Why has the behavior of <code>input type="date"</code> changed?</strong> Curiously, this change seems to be limited to Bootstrap, as <a href="http://www.w3schools.com/html/tryit.asp?filename=tryhtml5_input_type_date" rel="noreferrer">http://www.w3schools.com/html/tryit.asp?filename=tryhtml5_input_type_date</a> still exhibits the datepicker.</p>