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Rust 1.6 Released (rust-lang.org)
An anonymous reader writes: The Rust team has announced the release of version 1.6 of their programming language. The biggest new feature is that libcore — the Rust core library — is now stable. "Rust's standard library is two-tiered: there's a small core library, libcore, and the full standard library, libstd, that builds on top of it. libcore is completely platform agnostic, and requires only a handful of external symbols to be defined. Rust's libstd builds on top of libcore, adding support for memory allocation, I/O, and concurrency. Applications using Rust in the embedded space, as well as those writing operating systems, often eschew libstd, using only libcore." Other features worth noting: Crates.io disallows wildcards for dependencies, there are a ton of stabilized APIs, timer functions that use milliseconds have been deprecated, and the parser will warn you if a failure was caused by Unicode characters that look similar but are interpreted differently.
Depends on what you mean by fail, but nothing new ever really beats C++. Sure fancy new languages keep popping up with features, but it either lacks portability or performance or control or higher level constructs or reliability or something else that C++ can provide. And eventually C++ gains the language feature anyway, but without sacrificing efficiency for it. Many languages have tried to take C++'s place, but so far none have gotten close. And even where other languages have a good hold (Java, C#, ObjC, etc), when you want an efficient library shared between those ecosystems, you'll write that in C++.
And no, C doesn't really count in the comparison, because it doesn't grow - while WG14 publishes new standards, it's still mostly C89 used in the wild, with a few extensions.