The library has been renamed to Tepl (Text editor product line). So the namespace of the code has changed.

The new version is Tepl 3 and not Tepl 1, to avoid confusion with the git tags (the git repository is still the same), since the repository already contains tags for versions 1 and 2.

The TeplTab class has been revamped. The tepl_tab_new() function doesn't take a GtkWidget parameter anymore, a TeplView is created instead.

The TeplBuffer:tepl-title property has been renamed to TeplBuffer:tepl-full-title, and tepl_buffer_get_title() has been renamed to tepl_buffer_get_full_title().