Android update 2.21

This version is mainly a bugfix release. It also adds a few smaller improvements and features:

  • Set an individual ringtone for each contact
  • Set password for key revocation directly from within the app. If your ID gets lost or stolen simply revoke it on https://myid.threema.ch/revoke
  • Widget to display unread messages on desktop or lock screen
  • Bug fixes and improvements

The voice message plugin was also updated to 1.1. It now allows you to preview recorded voice messages before sending them.

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