Please consider adding an autosave feature. A real autosave not a prompt that appears every so often minutes asking you to save. One that will autosave without input. Autosave is pretty much a standard now across a variety of softwares, so constantly remembering to save is becoming unexpected.
Thank you for posting this idea. This is a feature that is in the program as you can see in the Configuration dialog,
, however, it does appear to have an issue which the development team are investigating. This should be addressed in the next release.