We have recently updated activiti from 5.12 to 5.17 and we are now experiencing problems in some of our running processes. We are using javascript in our process definitions like this.
As explained in Release note 5.12.1 you have to call execution.setVariable("variableName", variableValue) to set process variables. And for backwards compatibility it is possible to use "autoStoreVariables". But is this possible to do in running processes?