Unreal Engine Issues

UAIPerceptionStimuliSourceComponent never registers with required senses

UAIPerceptionStimuliSourceComponent::OnRegister tries to remove nulls from RegisterAsSourceForSenses but the condition in RemoveAllSwap is wrong. It should be SenseClass == nullptr instead. ...

Attempting to add a custom Physics Constraint Component class to a project will result in the build failing

FGenericPlatformMemory::OnOutOfMemory should be broadcasting GetOutOfMemoryDelegate instead of GetMemoryTrimDelegate

[CrashReport] UE4Editor-Renderer!FMaterialShader::GetShaderBindings(FScene const *,ERHIFeatureLevel::Type,FMaterialRenderProxy const &,FMaterial const &,FMeshDrawSingleShaderBindings &) [ShaderBaseClasses.cpp:379]

Generated from CrashReporter ...

Using the ServerTravel console command with a physics vehicle present will trigger an assert.

Using the ServerTravel console command to switch to a different level while a physics vehicle is in the current level will trigger an assert. ...

[CrashReport] UE4Editor_Engine!FRepLayout::InitFromObjectClass() [replayout.cpp:2211]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Property->Proper ...

SubInstance AnimInstances may not be updated in all necessary places inside SkeletalMeshComponent

After scanning through SkeletalMeshComponent, it looks like there are several places where AnimInstance is updated but SubInstances are not. This can potentially cause states to get out of sync, and ...

Adding special characters into the BundleDisplayName or BundleName causes packaging error

Packaging a project for iOS that has & in the Bundle Name causes an error to occur during packaging. IPP ERROR: Application exception: System.Xml.XmlException: An error occurred while parsing Entit ...

User's project fails to build when using -nativizeAssets in the project launcher

User's project fails to build when using -nativizeAssets in the project launcher Box Link: [Link Removed] ...

Breakpoint triggered in Visual Studio after running "{,,UE4Editor-Core}::PrintScriptCallstack()" command

Running the command {,,UE4Editor-Core}::PrintScriptCallstack() in the Immediate Window in Visual Studio while debugging is paused in Visual Studio will result in a breakpoint being hit when the ...