We may evaluate this is a potential future add-on under the new ISE Preview model. Read more about the ISE Preview here: https://blogs.msdn.microsoft.com/powershell/2016/01/20/introducing-the-windows-powershell-ise-preview/Ofir Eyal commented
Also, it would be nice to see a tooltip containing the value of a variable when the mouse pointer hoovers over that variable in the Editor/Console panes.
I assume you mean the same behavior as when the ISE crashes and recovers your session? I would also love to see this. We’ll post back here if/when it gets implemented.