The article uses jsFiddle while the legal disclaimer on JSFiddle reads JSFiddle. The announcement of "The Lifting" uses JSFiddle. Meanwhile, the documentation can't make up its mind:
jsFiddle Documentation
To file a bug in JSFiddle
Though it mostly uses jsFiddle./begin edit
The Medium post uses JSFiddle: https://medium.com/jsfiddle-updates/the-lifting-cb3c9f216c2f...
I think it's safe to assume it has been changed to JSFiddle.
/end edit
More on topic: I'll have to see if there was anything new besides a facelift. Personally using Codepen atm.
I remember it spelled jsFiddle
It seems they changed it to JSFiddle