Any code for this would be appreciated. The suggestions dropdown on medium / larger screens is set for the search in the middle of the top bar, but not for the simpleSearch on the left off canvas menu, which is the only search available for small screens.
Topic on Skin talk:Pivot
It will be great if you could create an issue report on GitHub
Solution: set autocomplete to on in Pivot.skin.php in the nav-bar section <ul class="side-nav"> only.
This still need redoing after each upgrade of Pivot.
<input type="search" name="search" placeholder="<?php echo wfMessage( 'search' )->text() ?>" title="Search [alt-shift-f]" accesskey="f" id="searchInput" autocomplete="on">