[steveklabnik]

1. Yes. https://forge.rust-lang.org/platform-support.html

2. Yes, though it's kind of awkward.

3. There were some patches in the queue, I forget if/how they landed.

4. Yes.

5. Sort of. You have to rely on a tool to do it; they work reasonably well but aren't perfect yet.

6. Unless you're relying on something with a soundness hole, which we reserve the right to fix, and will be trivial to upgrade for you.