In 2004, when they were working on 0.40, it was on the roadmap for 0.49 <https://wiki.inkscape.org/wiki/index.php?title=Roadmap&oldid=4153#Milestone_15_-_Animat

In 2004, when they were working on 0.40, it was on the roadmap for 0.49 <https://wiki.inkscape.org/wiki/index.php?title=Roadmap&oldid=4153#Milestone_15_-_Animation_-_Inkscape_0.49 https://wiki.inkscape.org/wiki/index.php?title=Roadmap&oldid...>. Unfortunately it never happened, though they invite people interested in implementing it to join the development team <https://inkscape.org/learn/animation/ https://inkscape.org/learn/animation/>.