Many of the new HTML5 input types degrade nicely in older browsers. Thus, we could support them now.
A nice example of some of these input types here: http://diveintohtml5.org/forms.html
As this would probably require API changes, I am assigning this to 8.x-dev.
EDIT: The current summary and progress of HTML5 and Form API changes can be found at http://drupal.org/node/1183606 → .
Active
11.0 🔥
It affects the ability of people with disabilities or special needs (such as blindness or color-blindness) to use Drupal.
Implements and supports the use of HTML5.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.