• API: sign PGP/MIME messages
• API: support for signature verification in the decrypt container
• Set password cache to on by default (30 min)
• Deprecate Firefox 31 support
• Improve attachment decrypt performance (Firefox)
• Auto select right keyring when opening the settings
• Inject content scripts in all open tabs on installation of extension
• API: register handlers to allow backup and restore of keys and public keyring synchronization
• API: validateKeyForAddress method returns fingerprint and lastModified date
• API: add container to create symmetrically encrypted key backup and recovery sheet
• API: add container to restore key and password
• API: add container to generate key
• API: display key details in the key import dialog
• API: fix editor quota limit calculation
• [OpenPGP.js] Generate keys with multiple user IDs
• [OpenPGP.js] Use Web Crypto API to generate keys (Firefox)
• Show reason of password request in password dialogs
• Many style fixes and layout improvements