>The only thing missing is a company having the guts to push it no matter what. A bit like Google is doing with ChromeOS and Android.
This. I see a lot of the so call new idea and hype aren't actually new at all. It didn't succeed simply because it never got the investment or drive until it has sustainable critical mass. And every few years or decades we start to reinvent the wheel by new generation of developers.
Especially in tech industry where you are considered old if you are over 40, but in reality it is the age you finally see all the ideas keeps getting recycled again by newer generation and you could finally say meh, no.
They then took some of those learnings into Windows 8.x, UWP .NET Native and C# 7.x and 8.0 low level memory primitives.
A tracing GC, coupled with value types and manual memory management in unsafe code makes plenty of sense and has been done multiple times since Xerox PARC days.
The only thing missing is a company having the guts to push it no matter what. A bit like Google is doing with ChromeOS and Android.