Changelog for gtksourceview4-devel-4.0.3-2.fc29.x86_64.rpm :

* Fri Sep 07 2018 Kalev Lember - 4.0.3-2- Rebuilt against fixed atk (#1626575)
* Fri Sep 07 2018 Pete Walter - 4.0.3-1- Initial packaging of GtkSourceView 4