Dropped special characters in usernames

[Falco]

We recently added two site settings which allow you to permit more characters in the username

Unicode usernames and group names

Lifting the restrictions on allowed characters in usernames is one of the oldest feature requests. Starting with Discourse 2.3.0.beta9 it’s finally possible to use Unicode characters within usernames and group names. [image] New Site Settings There are two new site settings: allowed unicode username characters and unicode usernames. allowed unicode username characters allows you to allow only certain Unicode characters (e.g. [äöüßÄÖÜẞ] or \p{Greek}). By default Discourse permits letters (Ll …

Did you try tweaking those?