GCC with D have been finally been released.

[Ron Tarrant]

On Friday, 3 May 2019 at 15:37:23 UTC, 12345swordy wrote:
> https://gcc.gnu.org/gcc-9/changes.html

That's pretty cool!

I have a question about binary compatibility between compilers. I 
read somewhere that LDC and DMD aren't binary compatible, so...

Will GDC be binary compatible with one or more of the 
already-existing D compilers?

Secondly, does it matter? (I'm still not clear on that.)