[Guthur]

It implies that the features are somehow new and ground breaking.

Lambdas have been understood for many many years, the same goes for GC. The were not only in the domain of academia.

Common Lisp has many of these features and more, being a multi-paradigm programming language. And has been used in industry for many many years. Yet people say CL is antiquated while it has so called 'modern' features.

[ksk]

They are groundbreaking in the sense that no production ready systems language has those features, except C++. I guess we'll just have to agree to disagree. It really is a big deal to design a language with such features that are implementable with zero overhead.