This should be fixed in tonights nightly build. For now, if you add the following code to functions.php it should fix the problem.
`if (!function_exists("htmlspecialchars_decode")) {
function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT) {
return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
}
}`