In this chapter, we will cover the following topics: Customizing columns on the change list page ✅ Creating sortable inlines ✅ Creating admin actions ✅ Developing change list filters ✅ Changing the app label of a third-party app ✅ Creating a custom accounts app ✅ Getting user Gravatars ✅ Inserting a map into a change form ✅ Customizing columns on the change list page Creating sortable inlines Creating admin actions export object to .xlsx Developing change list filters Creating a custom accounts app and Getting user Gravatars Inserting a map into a change form