Thanks to#3774, ordering of elements in areactiveValues() object is fixed to the insertion order. In an application of mine, I need the ability to reorder elements. As there is no way to remove an element, the only way I could find to get me what I need was to fiddle with internals. Something along the lines of

reorder_rv<-function(x,new) {  stopifnot(    setequal(new, names(x)), anyDuplicated(new)==0L  )internals<- .subset2(x,"impl")internals$.nameOrder<-newinvisible(x)}

While I appreciate that it might not be a very common problem I'm trying to get around here I nevertheless wanted to raise the issue here and ask whether you're open to providing such functionality as part of the "public" API.