Description: available version is 1.7.0 (04/23/2014) – tree-1.7.0-16.fc29.src.rpm –, current version is 1.8.0 (11/16/2018).
Thanks for the report! I will update it.
tree-1.8.0-1.fc29 has been submitted as an update to Fedora 29. https://bodhi.fedoraproject.org/updates/FEDORA-2018-b6cd619a59
tree-1.8.0-1.fc29 has been pushed to the Fedora 29 stable repository. If problems still persist, please make note of it in this bug report.