When will be Opera support CSS3 gradients?

gradient-bg.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:svg="http://www.w3.org/2000/svg"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:xlink="http://www.w3.org/1999/xlink"
    width="200px"
    height="200px"
    version="1.0"
    >
	<style type="text/css">
		.start {
			stop-color: rgb(240,240,240);
			stop-opacity: 0.5;
		}
		.end
		{
			stop-color: rgb(20,20,20);
			stop-opacity: 0.5;
		}
	</style>
	<defs>
        <linearGradient id="gradient" x1="0%" y1="0%" x2="0%" y2="100%">
            <stop offset="0%" class="start"/>
            <stop offset="100%" class="end"/>
        </linearGradient>
    </defs>
    <rect x="0" y="0" fill="url(#gradient)" width="100%" height="100%" />
</svg>

svg2dataurl.php

<?php
// gradient-bg.svg from http://www.display-inline.fr/projects/css-gradient/
// with Opera option

$file = file_get_contents(__DIR__ . '/gradient-bg.svg');

$out = preg_replace("/\s+/", ' ', $file);
$out = base64_encode($out);


$dataurl = 'data:image/svg+xml;base64,';


echo '<pre style="pre-wrap; word-wrap: break-word;">';
echo $dataurl . $out;
echo '</pre>';

echo '<pre style="pre-wrap; word-wrap: break-word;">';
echo 'background-image: url("' . $dataurl . $out . '");';
echo '</pre>';

echo '<pre style="pre-wrap; word-wrap: break-word;">';
echo htmlspecialchars('<img src="' . $dataurl . $out. '">');
echo '</pre>';


echo '<img src="' . $dataurl . $out. '">';