Scroll down to the Line Char and Bar Chart examples. They are missing the lines and bars in Safari. Works in Firefox and Chrome
Created attachment 376841 [details]
It's a problem with the filter:
<filter id="xkcdify" filterunits="userSpaceOnUse" x="-1000" y="-1000" width="10000" height="10000">
<feturbulence type="fractalNoise" basefrequency="0.05" result="noise"></feturbulence>
<fedisplacementmap scale="5" xchannelselector="R" ychannelselector="G" in="SourceGraphic" in2="noise"></fedisplacementmap>
Seems to be caused by the large width and height of the filter.
Created attachment 376843 [details]
FilterEffect::apply() silently early returns at ImageBuffer::sizeNeedsClamping(m_absolutePaintRect.size())
Other browsers seem to be able to handle arbitrarily large width and height on the <filter> element (presumably they only make it as big as it needs to be).
A related problem here is: I think the SVG shape should be rendered without filters if any of them fails to apply.
The SVG rendering pipeline applies the SVG filters in the destructor SVGRenderingContext::~SVGRenderingContext(). So it is too late to fall back to drawing the shape at this stage. But I think we should change this structure and make it easier to detect errors and draw the minimum we could instead of drawing nothing.