Beta 3 has been released. Download link is in the 1st post edited to link to the latest Beta: viewtopic.php?p=25719#p25719
Fixes:
Plugin menu/toolbar crashes if icon assigned to plugin's action
Triple click line selection was broken
Dark theme could not load saved window position and maximized state
Switching themes while panels were detached caused crash
Classic style did not allow redocking detached panels.