The components of the UI Element added in the UI builder will stuck Editor Window of the UI builder.
Have you met the same problem?
I need more info before I can help. Can you describe step-by-step what you’re doing to reproduce the issue?
If you’re just using the UI Builder and suddenly the mouse no longer works inside the UI Builder window, this is a known issue and a fix should come soon. It’s an issue with Unity in general and not specific to the UI Builder.
Not that the mouse is not in the UI builder editor window, but the editor window is stuck and does not work, and the mouse is still normal.
Sounds very much like something we have fixed recently, can you try again with 2019.3.0b8 ?
Posted the bug, but can’t see the issue yet. It’s really simple to reproduce, just a selector on class that is set to Visibility :none, then two elements using class one with inline style Visibility: Flex. Attached files doing a simpler case without external files : )
(Edit) Seems like simply making a selector that uses the Display: None, and then selecting it by clicking in UI Builder is required to reproduce.
Forgot to add you need to restart unity if you reproduce it from scratch.
5324469–535983–Assets.zip (523 Bytes)
I had this issue for a week, then accidentally realized after all searching, asking and bug posting…
If you have 2 times saved UI Builder files with exactly the same names. UI builder will freeze and only X button will work.
Before finding out what caused it, tried multiple unity versions, reinstalling packages and gawd knows what, for me it turns out was basic 