Starting from the 7.0.1 version, Gantt displays split tasks from all levels, not only on the first level:
Right now, there is no way to configure how it should work. In the future, the dev team will add that feature, but I cannot give you any ETA.
As a workaround, you can change the
hide_bar property when you expand/collapse the split parent task:
If you have a different use case, please, describe it in more detail.
You can also add your configuration in the following snippet and make sure that the issue is reproduced there:
Then, click on the
Share button and send me the link.