Hi,
Thank you for your question.
Yes, there has been a lot of improvements in general since 2012 and some specific ones related to the UI. We just released our latest version, Collaborator 11.5.11501.
Regarding your question, any new messages are now higlighted in the "Review Material Sections" and you can also click on any conversation line/link to go to the specific chat thread.
You can find more deatiled information about it here, https://support.smartbear.com/collaborator/docs/reference/ui/review-screen/review-materials.html#review-materials
Feel free to test the latest version, https://support.smartbear.com/downloads/collaborator/
We will appreciate any feedback or suggestions
Thanks!
