When creating video call links for Jitsi, an additional slash is getting added between the base Jitsi server URL and the video call ID, i.e. https://meet.jit.si//141518590623948 instead of https://meet.jit.si/141518590623948

https://github.com/wesnoth/wesnoth/blob/f33330de19a24a256f028c4d259f19d363f19a25/src/help/help_impl.cpp#L277-L284

The current warning message should only be displayed if parts[0] is not recognized. If parts[1] is missing it should mention a [race] or an [era] with no id key respectively.

(Alternatively this whole internal config generation should be done away with. It seems like ther

Currently, eggs are exported in json format. Eggs can contain a lot of multiline strings, which makes it very hard to read them in json format.

YAML has much better support for multiline strings (see here) which would make it much easier to modify eggs as code and see changes in Pull Requests.
In addition YAML is easier to read and we've converted wings to use ya