https://webkit.org/blog/172/enabling-svg-animation-acid3-99100/
Enabling SVG Animation: Acid3 99/100 | WebKit
Nov 19, 2015 - In r31334 we enabled the SVG Animation support that has already been in the engine for a while but has not been enabled by default so far.
svg animationenablingacid399100
https://www.webstandards.org/action/acid3/
Acid3 Browser Test - The Web Standards Project
The Web Standards Project is a grassroots coalition fighting for standards which ensure simple, affordable access to web technologies for all.
browser testthe webacid3standardsproject
https://www.webstandards.org/2008/02/05/acid3-nearing-completion/
Acid3 nearing completion - The Web Standards Project
The Web Standards Project is a grassroots coalition fighting for standards which ensure simple, affordable access to web technologies for all.
the webacid3nearingcompletionstandards