Firefox can't establish a connection to the server at issues.dlang.org.

[Mike Parker]

On Friday, 19 August 2022 at 01:01:43 UTC, Ruby The Roobster 
wrote:

> Now there is a "run.dlang.org", but instead of pointing to the 
> online editor, it is a copy of the tour.  Is this intended?

No. It'll be sorted soon. run.dlang.io is working again, though.