Ruby 1.3.1-990203 is out, check out:

    ftp://ftp.netlab.co.jp/pub/lang/ruby/in.coming/ruby-1.3.1-990203.tar.gz

md5sum is

    99958f4ab9b0bbe325cebafcf9a2009e  ruby-1.3.1-990203.tar.gz