Unreal Engine Issues

Material Editor Crash occurs on mathematical operation node receiving invalid input from a Texture Object

Editor crashes when opening a project that includes a plugin with more than two custom Volume classes

Adding more than two custom Volume classes to a plugin results in any project that includes that plugin crashing when opening it in the Editor. There does not appear to be a problem with adding thre ...

EditConditionHides on Member of struct, that is in Array, causes Assertion Failed when clearing Array in Data Table

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

[AI] UE_MT_SCOPED_READ_ACCESS(NavElementAccessDetector) Fails in editor on fresh sync

Licensees have reported failed multi-thread access code for NavElementAccessDetector in complex levels that have not finished compilation of their static meshes. The eventual failed check is inside ...

Nullptr Ensure and crash after HotReloading

Following my repro, I hit an ensure and crash. The two times I tried to repro after my first crash resulted in different call stacks. I'll comment the other Jiras once I have them in. One of my cra ...

Connecting GetSequenceBinding node to LevelSequence including Spawnable Actor etc. will result in error

[Link Removed] ・Open attached project ・Open NewMap ・Confirm that an error appears on the console ・When creating a Windows (64-Bit) package in this state, the same error occurs ...

FTextLocalizationManager::UpdateFromLocalizationResource is discarding data

FTextLocalizationManager::UpdateFromLocalizationResource is loading LocRes data into a temporary, rather than loading it into a reference to an entry in LocalizationEntryTrackers. ...

[CrashReport] UE4Editor-MetalRHI!FMetalCommandBufferDebugHelpers::TrackResource(id<MTLCommandBuffer>, objc_object*) [MetalCommandBuffer.cpp:147]

Generated from CrashReporter ...

Gameplay Tag Query using NoTagMatch expression does not construct DebugString properly

The code in GameplayTagContainer.cpp has code for generating debug strings representing tag queries. Compare the code in EmitTokens in all other queries to the code in UEditableGameplayTagQueryExpre ...

virtual texture lightmap crash due to pixel format r8Unorm_srgb in MacEditor

Currently r8Unorm_srgb is required by virtual texture lightmap, and the Metal RHI simply forbids r8Unorm_srgb on Mac platform. Since the latest MacOS 11.0+ have the support of r8Unorm_srgb, we shoul ...