r18n v3.1 Release Notes

    • ๐Ÿšš Move named_variables filter from r18n-rails-api to r18n-core (by Alexander Popov).
    • โž• Add possibility for R18n::Locale to define custom formatters (by Alexander Popov).
    • ๐Ÿ›  Fix R18n.set for r18n-desktop (by Alexander Popov).