3.38.2
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* Improvements to docs for Contacts (Pranali Deshmukh)
* Improvements to docs for Files (Andre Klapper)
* Updates to docs for background settings (Ivan Stanton)
* Updated translations:
  ca    (Jordi Mas)
  cs    (Marek Černocký)
  fa    (Danial Behzadi)
  fi    (Jiri Grönroos)
  id    (Andika Triwidada)
  pl    (Piotr Drąg)
  sv    (Anders Jonsson)