2.1.31 (05-May-2020)

  Security

    - A content injection vulnerability via the options login page has been
      discovered and reported by Vishal Singh. This is fixed.  (LP: #1873722)

  i18n

    - The Spanish translation has been updated by Omar Walid Llorente.

  Bug Fixes and other patches

    - Bounce recognition for a non-compliant Yahoo format is added.

    - Archiving workaround for non-ascii in string.lowercase in some Python
      packages is added.