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
- Assets are created in the Package folders when creating assets via custom buttons in the Inspector window or other windows
- “Select” windows are named differently on Windows and macOS
- [Windows] No minimum “Select” window size
- Enabling “Editor Extension Authoring” in UI Builder doesn’t dirty the document and saving with shortcut doesn’t persist the state
- WebRequest.Create() function fails with "URI prefix is not recognized" errors when the project is built for Linux Standalone or Windows Dedicated Server
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.