To see a list of known issues in the latest release of SADL, please see open SADL issues on github.com.
To turn on debug or other logging output to gather more information about a problem or to debug a custom built-in, one can specify the Logback configuration file by setting the property "logback.configureationFile" on the command-line when starting Eclipse.
java -Dlogback.configurationFile=/path/to/config.xml
See http://logback.qos.ch/documentation.html for more details.