For completition this is my installed plugins:
'emoticons',
'enigma',
'filesystem_attachments',
'jqueryui',
'legacy_browser',
'managesieve',
'newmail_notifier',
'password',
'userinfo',
'vcard_attachments',
'carddav',
'rcguard',
'contextmenu',
'dovecot_ident',
'contextmenu_folder',
'zipdownload',
installed with composer