http://www.w3.org/Amaya/ is a kind of reference browser from the W3C. The release history lists the first SVG support in Amaya 4.0 from 10 November, 2000.
"Now we get around the efficiency stuff the same way Barton did on the B5000: by just saying, “Screw it, we’re going to execute this important stuff as directly as we possibly can.”
We’re not going to worry about whether we can compile it into a von Neumann computer or not, and we will make the microcode do whatever we need to get around these inefficiencies because a lot of the inefficiencies are just putting stuff on obsolete hardware architectures."
Alan Kay has agreed to do an AMA today https://news.ycombinator.com/item?id=11939851