<li>Image quality has been improved through a new HTML scaling algorithm.</li>
<li>Canvas elements can export their content as an image blob using <ahref="https://hacks.mozilla.org/2012/10/firefox-development-highlights-viewport-percentage-canvas-toblob-and-webrtc/">canvas.toBlob()</a> now.</li>
<li>CSS <ahref="https://developer.mozilla.org/en-US/docs/CSS/@page">@page</a> is now supported.</li>
<li>CSS <ahref="https://developer.mozilla.org/en-US/docs/CSS/length#Viewport-percentage_lengths">viewport-percentage length units</a> have been implemented (vh, vw, vmin and vmax).</li>