3.6.4
WB 2.8.3 SP 4 (Sept. 2014) comes up within some massiv codechanges inside the view.php.
For SP5 (Dec 2015) the FTAN-Method for secure forms inside the module was implemented.
WB 2.8.3 SP 7 (Sept. 2016)
Add missing TIMEZONE in view.php line 445.