Both configuration files (app config and user credentials) include a version (Tag VersionInfo). The only function of this version is to be printed in the log file. It enables you to check the version of the config files that the running application is using.
Configuration file '../config/pn_hs_adpt_appconfig.xml' read.
Config version: 'V0.9 26.06.2020 09:40'
Configuration file '../config/pn_hs_adpt_credentials.xml' read.
Config version: 'V0.9 19.06.2020 07:43'