@Edent @jdlh OK, so, I set up a test server that I think exercises a lot of the Unicode character sets for Webfinger. See my post here:
https://lists.w3.org/Archives/Public/public-swicg/2026Oct/0020.html
Replying to @evan@cosocial.ca
@evan @Edent @jdlh this is great! though I can't get them to load in anything yet. and I see even your tool doesn't load them so maybe something isn't fully configured? https://acct.swf.pub/?q=%40हिन्दी%40aŭtomato.swf.pub