Manu's rvalue DIP has gotten quite a bit of feedback already, but I'll soon be prepping it for community review. If you'd like to get some comments in before we get there, now's the time to do so.

https://github.com/dlang/DIPs/pull/111

Also, Walter has a draft DIP for adding a bottom type that could use some feedback:

https://github.com/dlang/DIPs/pull/117