I think the Rust community didn't take the discussion very far, because it felt like the comparison to Python 2 vs 3 was out of proportion. The single most impo

I think the Rust community didn't take the discussion very far, because it felt like the comparison to Python 2 vs 3 was out of proportion. The single most important difference is that stable Rust code is always compatible with nightly, and comparisons that gloss over that difference feel frustrating. (Other folks have raised more detailed objections too, like the macro features that are about to land in stable.)