Hi. I’m running Yosemite 10.10.2 with the last beta of TF.
When I open a folder from a dock stack with fan view, clicking on the arrow icon “open in Finder”, it opens a new Finder window and not a new tab on the TF window.
I attached a screenshot that shows the problem.
Best regards.
http://cl.ly/image/0R0G2o0V2Y0d/Schermata%202015-01-26%20alle%2011.40.10.png