v1.9.0

Added

• The change password mailer now produces a multipart message which includes a
  text part along with the previously existing HTML part. To override the text
  part, add change_password.text.erb alongside your change_password.html.erb
  file.

Fixed

• Custom user_model configured in a Rails initializer will now be reloaded in
  development mode.
• Change password template now contains "Change my password" link text to
  address an issue linking the URL in some mail clients.

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