CenTrax Upgrade Documentation Archives CenTrax Version 10.9.2 Release Notes 10.9.2 enhancement guide. CenTrax Version 10.9.1 Release Notes 10.9.1 enhancement guide. CenTrax Version 10.9.0 Release Notes 10.9.0 enhancement guide. CenTrax Version 10.8.9 Release Notes 10.8.9 enhancement guide. CenTrax Version 10.8.8 Release Notes 10.8.8 enhancement guide. CenTrax Version 10.8.7 Release Notes 10.8.7 enhancement guide. CenTrax Version 10.8.6 Release Notes 10.8.6 enhancement guide. CenTrax Version 10.8.5 Release Notes 10.8.5 enhancement guide. CenTrax Version 10.8.4 Release Notes 10.8.4 enhancement guide. CenTrax Version 10.8.0 Release Notes 10.8.0 enhancement guide.