Search Issue Tracker
Won't Fix
Votes
0
Found in
2020.2.0b9
2021.1.0a2
Issue ID
1293939
Regression
Yes
Unity Editor becomes unusable after downgrading UI Toolkit Package Version
How to reproduce:
1. Download and open project 'UIToolkitRepro_crash.zip' from Google Drive
2. Open Package Manager
3. Find UI Toolkit in Package Manager
4. Update UI Toolkit to '1.1.0-preview.3' version
5. Observe
Reproducible with: 2020.2.0b9, 2020.2.0b11, 2021.1.0a2 2021.1.0a3, 2021.1.0a6
Not reproducible with: 2020.1.14f1, 2020.2.0a1, 2020.2.0b5, 2020.2.0b6, 2020.2.0b8, 2021.1.0a1
Couldn't test with: 2018.4.0f1, 2018.4.29f1, 2019.4.0f1 (Couldn't downgrade the project)
Notes: <2020.2.b11 Editor UI becomes unusable and broken also on entering Play Mode crash occurs. On 2021.1.0a2 and above Package Manager, Asset Store, Toolbar gets removed and after a restart, a black screen appears. Tests were also done on Windows, results are the same.
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- "Shader warning in 'Hidden/Light2D': implicit truncation of vector type" is thrown when building Universal 2D template
- AI Assistant breaks compilation of packages using System.Runtime.CompilerServices.Unsafe via auto-referencing
- Unity Hub checks the "Documentation" module by default on the 6.4 and 6.5 streams despite that it was unchecked with the previous installs
- Shortcut that toggles between Dopesheet and Curves Views in the Animation Window's Timeline is mislabed
- Property List Items Overlap onto the Property List's top edge when scrolling through a long Property List
Resolution Note:
UIToolkit is a preview package and has no stable version. As UIToolkit has functionality in the Game as well as Editor, downgrading unstable package could cause issues with Editor.