UUM-154583
Fixed in 6000.7.0b5Mentioned in 2 Unity 6 release notes.
First fixed in 6000.7.0b5 (Oct 15, 2026).
| Version | Section | Risk | Impact | Note |
|---|---|---|---|---|
| 6000.7.0b5 | Fixes UI Toolkit | Fix | Fixed slower Editor project open and domain reload caused by memory allocations in cached GUI content lookups. (UUM-154583) First seen in 6000.7.0b1. | |
| 6000.7.0b4 | Known Issues UI Toolkit | Caution | Known issue | Fixed slower Editor project open and domain reload caused by memory allocations in cached GUI content lookups. (UUM-154583) First seen in 6000.7.0b1. Fixed in 6000.7.0b5. |