Yes, yes it is. Tom basically responded with “if you want to know about the future of Plots.jl, go ask the maintainers of Plots.jl or talk to Simon about Makie”, which is what was being said in the forum. Though, again, I do not agree with the tone that this was originally given in (and it was said in a way that was less helpful than specifically getting to the point), it was pointing in the right direction.
Also, the way Tom delivered the message first was on Twitter, and he discussed this in the Gitter a few times over the last few months. So yes, those still are the right points of contact. This is the first Discourse post he’s had in a year though, that was unexpected. So… 