What is wrong with a WiP saving method?

I have created a file in WiP and saved as V7.
With each Ctrl+s it tries to save it as Untitled and V8. Infuriating.

That is how Rhino has always worked (at least back to V4) when saving as an earlier version. The same thing happens if, for example, you are working in V7 and SaveAs a V5 file.

Rhino always tries to save in the .3dm file format of the Rhino version being used unless SaveAs is used and a different file filemat is selected.

It seems I forgot how it works. It’s been a while since latest release.
Still, I think Rhino should be informed once on how I want to name the file and which version to save to.