4.1

  * Better detection of emails and other content when opened

4.0

  * Experimental support for Security Tokens over USB
  * Allow password changing of stripped keys

3.9
  * Detection and handling of text data
  * Performance improvements
  * UI improvements for Security Token handling
  * Add option to donate (requires in-app purchase permission)

3.8
  * Redesigned key editing
  * Choose remember time individually when entering passwords