Hi. i have the same problem. Thank you
Goodmorning. I have a project on a raspberry pi 3. When reboot or turn of the raspberry, values of retain var are lost. the codesys version is 3.5 sp16 patch 4. The runtime raspberry is 4.0.1.0 I cheked in the application folder on raspberry,the .ret file dont exist. if I issue the save command on the shell the file is created. thank you