DScanner 0.12.1 stopped working

[jmh530]

On Wednesday, 6 July 2022 at 18:37:45 UTC, singingbush wrote:
> [snip]
>
> I've been hurt numerous times over the years by breaking 
> changes in D so started maintaining a list of version checks 
> that have been helpful in keeping projects compile with 
> multiple language versions.
>
> https://gist.github.com/SingingBush/3a2a6d2a41a81c1bafb26e5f69f823c0
>
> It would be great if more packages in dub repo used such 
> mechanisms.

Have you made use of toolchain requirements?
https://dub.pm/package-format-sdl.html#toolchain-requirements