After upgrading to the latest version of SmartPlant P&ID, opening Options Manager for the first time updates the RAD version for the ProjectStyles.spp
file and as a result, changes the status of the Symbology for the drawings to 'Out-of-Date'.
For this reason, after upgrading SmartPlant P&ID, you should open and close Options Manager once before updating your drawings using SmartPlant P&ID Drawing Manager.