Release v1.2.2

• Bug fix to prevent a rare crash
• Improved MIME type guessing
• Improved drop-zone rendering
• New and updated translations:
  Catalan (ca) Davidmp
  Czech (cs) nkin
  Friulian (fur) tmtfx
  Indonesian (id) mazbrili
  Romanian (ro) Emrys
  Spanish (es) unspacyar
  Swedish (sv) Knezzen