The Jira issue/filter macro is very handy as it allows to easily embed a Jira issue in a confluence page.

In the case of display option "single issue", if summary is enabled, it displays the issue ID, title and status. 

It would be very useful to add the following features:
1. view the info also in edit mode (so no need to save the page to see what the ticket is about

2. add the possibility to enable the display of the due date and assignee