DO NOT UPDATE IN PRODUCTION SITE BEFORE TEST IN STAGING SITE.
If YOU HAVE CUSTOM CODE FOR THIS PLUGIN MAKE SURE THEY ARE UP TO DATE BEFORE UPDATE THIS PLUGIN.

• id -> fep_id, to -> fep_to, search -> fep_search, _participants -> _fep_participants, _message_key -> _fep_message_key, _participant_roles -> _fep_participant_roles changes due to compitablity
• fep_no_role_access filter to grand access to message system for users who do not have any role for the site.
• Message box thread now show last message of the thread instead of first message
• Inbox/ Sent box now determine by last message of the thread instead of first message
• Show reply form after sent reply message.
• Admin can batch (multiple) edit/delete message/announcement from back-end.
• New shortcodes – fep_shortcode_new_message_count, fep_shortcode_message_to, fep_shortcode_new_message_form
• front-end-pm shortcode now support fepaction and fep-filter args
• Pre-populate “To” and “Subject” now by shortcode.
• Show link to send message to author by shortcode
• Ability to send message directly to post author from post page ( Ajax/ non-Ajax )
• Email From and From Email now pass through headers so that other can easily change that.
• New classes – Fep_Ajax, Fep_Shortcodes
• New functions – fep_update_option, fep_form_posted, fep_get_participants, fep_get_participant_roles, fep_get_message_view
• New action hooks – fep_action_before_announcement_email_send
• New filter hooks – fep_template_locations, fep_get_message_view, fep_autosuggestion_user_name, fep_no_role_access
• New template – shortcode_newmessage_form.php,
• Plugin update process improved.
• Minor performance improved.

ADDITIONALLY FOR FRONT END PM PRO

• Email template system improved. Create own email template or Modify Existing email template
• Email piping system improved. Make sure your setup reflect with Documentation 
• Now message attachments can be sent with emails.
• Performance improved.
• Increase Message to box z-index.
• Now admin can see how many emails already sent for any individual announcement.