HTML5 input datetime should be rendered as type "datetime-local" instaed of "datetime" #24307
Description
| Q | A |
|---|---|
| Bug report? | yes |
| Feature request? | no |
| BC Break report? | no |
| RFC? | no |
| Symfony version | 3.3.9 |
<input type="datetime"> has been removed from WHATWG HTML
see whatwg/html#336 and https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/datetime .
Instaed browsers implement and developers are encouraged to use <input type="datetime-local">
https://github.com/symfony/form/blob/master/Extension/Core/Type/DateTimeType.php#L196