UUM-133908
Fixed in 6000.6.0b1Mentioned in 11 release notes.
First fixed in 6000.6.0b1 (Jun 23, 2026); relisted in 10 later releases.
| Version | Section | Risk | Impact | Note |
|---|---|---|---|---|
| 6000.6.0b9 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b8 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b7 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b6 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b5 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b4 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b3 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.5.3f1 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b2 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b1 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. | |
| 6000.6.0b1 | Fixes UI Toolkit | Fix | Fixed a NullReferenceException thrown by the UXML asset preview's *Theme* dropdown when reopening a project whose runtime theme is provided by a package. |