The never ending revolution? I am still waiting to upgrade.
> Rust
Rust is great, but overkill for business logic. It's bummer that people think they need to care about low-level details where it doesn't matter just to use a non-shit language. Meanwhile Haskell is waiting :).
Risc-v although it not software.
Rust.
Tools for running C-like code on GPUs.
Those are just the things I think belonged on the list but are not. And all of them take many years to mature and gain widespread use.