I'm pretty sure you are correct. At the very least, VSCode is quite easy to set up for Nim, and works well.
The only thing I can't get working well is the debugging. I've managed to set it up so that I can make breakpoints for Nim programs within VSCode, but I can't find a way to look at any variables. I assume it is because of the variable name problem that is present when using gdb. Has anyone had any success getting Nim debugging working within Code, and if so, how?
Regarding a table of what editors can do with regard to Nim integration, see here: https://github.com/nim-lang/Nim/wiki/Editor-Support
As this is a GitHub wiki, anybody can feel free to update and ammend the entry with any other plugins/editors as they see fit.