Why use "unref" instead of "unRef"?

[LukerSpringtree]

I think unRef is better

[hubdidub]

I would be surprised if they would have called it "unRef".
"un"-something words are usually written in one word:

• undo
• unload
• unwrap
• unlink

And when I use "unref" in natural text, I would also write it in one word, therefore the function name makes sense to me.
Other names in Vue, like onUnmounted are also like that.