UUM-144371

Fixed in 6000.6.0b2

Mentioned in 30 release notes.

First fixed in 6000.6.0b2 (Jul 1, 2026); relisted in 15 later releases.

Open on Unity Issue Tracker
VersionSectionRiskImpactNote
6000.6.0b9Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b8Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.7.0a4Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b7Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b6Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.7.0a3Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b5Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.3.20f1Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b4Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.7.0a2Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.7.0a2Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b3Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.0.79f1Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.5.3f1Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b2Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.6.0b2Fixes
Editor
FixFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown.
6000.5.2f1Known IssuesBlockerKnown issue6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets
6000.3.19f1Known IssuesBlockerKnown issue6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets
6000.7.0a1Known Issues
Editor
BlockerKnown issueFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown. (UUM-144371) Fixed in 6000.7.0a2.
6000.0.78f1Known IssuesBlockerKnown issue6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets
6000.5.1f1Known IssuesBlockerKnown issue6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets
6000.6.0b1Known Issues
Editor
BlockerKnown issueFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown. (UUM-144371) Fixed in 6000.6.0b2.
6000.4.12f1Known IssuesBlockerKnown issue6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets
6000.3.18f1Known IssuesBlockerKnown issue6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets
6000.5.0f1Known IssuesBlockerKnown issue6000.0.11f1: Crash on ProfilerMutexLock when closing a project with specific Assets
6000.6.0a7Known IssuesBlockerKnown issueCrash on ProfilerMutexLock when closing a project with specific Assets
6000.4.11f1Known IssuesBlockerKnown issueCrash on ProfilerMutexLock when closing a project with specific Assets
6000.0.77f1Known IssuesBlockerKnown issueCrash on ProfilerMutexLock when closing a project with specific Assets
6000.6.0a5Known Issues
Editor
BlockerKnown issueFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown. (UUM-144371) Fixed in 6000.6.0b2.
6000.6.0a3Known Issues
Editor
BlockerKnown issueFixed a crash (ProfilerMutexLock / assertion gPersistentManager != NULL) that occurred when a managed DomainUnload handler performed a UnityEngine.Object null-check during editor shutdown. (UUM-144371) Fixed in 6000.6.0b2.

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