This is one of my bigger gripes about the way the DLF handles things. What's the point of things like a borrow checker, fancy DFAs for move semantics, or Phobos v3, if the language doesn't even have a debugger for every platform that is able to properly display its native types?

It's because nobody wants to spend their time peering over DWARF info and then writing plugins for GDB, WinDBG and LLDB (or even just one of them!). IMO, they should have a system where the whole community gets to vote on one tooling/bug proposal every so often, and then the DLF has to work on that alongside whatever else they do.