First of all I want to thank you for developing such a great software for free.
After that I want to report a little bug (which at-least I think is a bug). When I want to use Duplicate Session feature, when I press Right mouse button on an opened connection tab, and keep the button pressed until menu opened up, sometimes mouse moves and reaches to Disconnect option of the menu and then I release the button this causes to close the connection tab.
For connection closing a user must left click on Disconnect menu. I think changing the Event from mouseDown to mouseClick for opening menu will also solve the problem.
Thanks and regards.