In this release, the session detail page has been merged into session review page. You can go directly to session review page to edit an existing session. Below screenshot show the Properties tab in review page where you can edit the session information
... or manage linked objects
Note: You can only edit an existing session if its status is Planned, Completed or Reviewed.
The session review page now allows to to include/exclude the environment variable when exporting session to other formats, e.g. PDF or MS Word by selecting/deselecting the appropriate variables, as below screenshot