Thank you for fixing the issue with restoring saved sessions!
This is the best tab manager I've found to try to replicate what I had with Workspaces in Vivaldi. I switched away from Chrome based browsers, so I was lacking some of the awesome features of Vivaldi. The ability to just save windows for later is a part of my workflow and my tabs get out of control without it.
Try with the latest update - 5.2.3. It should work with restoring sessions from a popup. Before that it should have worked by opening the tab manager in an own tab.
