Foldouts in the Library section of UI Builder do not open when clicked on title and Tree View is enabled

Unity: UI Builder

Won't Fix

6.6.X

6.5.X

6.4.X

6.3.X

6.0.X

Thank you for reporting a bug to Unity. We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug. There are a number of reasons we make this decision, including the impact and severity of the issue across our user and customer base, and the possibility that future plans may solve the problem in a different way, or that a workaround for the bug may be available. Today we will be closing this case. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.

Steps to reproduce:

Create a new Unity project using the Universal 3D template
Open the UI Builder window (Window > UI Toolkit > UI Builder)
Click the burger button in the Library section and select "Tree View"
Click on any of the foldout titles
Observe the foldout

Actual results: The foldout does not open

Expected results: The foldout opens

Reproducible with versions: 2023.1.0a3, 6000.0.74f1, 6000.3.14f1, 6000.4.5f1, 6000.5.0b6, 6000.6.0a4

Tested on (OS): MacOS Silicon Tahoe 26.3

Foldouts in the Library section of UI Builder do not open when clicked on title and Tree View is enabled

Unity: UI Builder

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

Foldouts in the Library section of UI Builder do not open when clicked on title and Tree View is enabled

Unity: UI Builder

Statuses

Won't Fix

Resolution Notes

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?