Please add an option to run certain code/script/executable when a certain job (or maybe all jobs) have finished. This might be done on a per job basis or when all jobs have completed. Might be added in the drop down menu of the Jobs panel or in the Settings menu as a persistent option.
For example, I want to send a notification to my phone using kdeconnect when the jobs have finished. Other uses might include converting/moving/uploading the rendered file.