D has become unbearable and it needs to stop

[Adam D Ruppe]

On Thursday, 8 June 2023 at 21:11:24 UTC, Richard (Rikki) Andrew 
Cattermole wrote:
> Iain maintained the LTS version for gdc for a very long time.

And I maintained compatibility with that version in my libs until 
quite recently (of course some of them still do, but my test 
system uses gdc 12 instead of 9 now so the gdc9 support is prolly 
gonna start slipping). It actually wasn't even that hard.