PiotrTrojan.AspNetCore.IdentityErrorLocalization.ru-RU (nuget): Russian localization for IdentityErrorDescriber (Microsoft.AspNetCore.Identity) for .net 5. Contains both IdentityErrorDescriber and IdentityBuilderExtension to register the Describer. For multilanguage support based on HTTP headers consider using PiotrTrojan.AspNetCore.IdentityErrorLocalization.Multilang nuget with proper factory.
Keywords: aspnetcore|identity|localization|russian|ru-RU|ru