Unreal Engine Issues

Sequencer based Camera Shake throws an assertion when spammed

Activating a Sequencer based Camera Shake repetitively results in an assertion being thrown. Assertion failed: DestAllocationIndex != SourceAllocationIndex [File:D:\build\++UE5\Sync\Engine\Source\R ...

Animating blueprint mesh duplicates uncontrollably

When animating within a blueprint of a subclass created in c++, the animating mesh replicates itself uncontrollably. Added to .h: UPROPERTY() UBoxComponent* BoxComp; UPROPERTY() USkeletalMeshCompo ...

Enum Meta is being ignored when project is packaged

When using UMeta on Enums, text is ignored when doing Enum to String on a packaged project. ...

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe

Blueprint Node "Get Actors" for Layers in Level Blueprint causes crash in Packaged .exe The Blueprint node "Get Actors" for Layers in the Level Blueprint causes an instant crash in a built developm ...

Crash with for loop and TArray in constructor to generate multiple StaticMeshComponents

Using a TArray to store multiple components being setup inside a for loop of a constructor will crash on project open. Crash Reporter: [Link Removed] ...

Error Saving Project When Adding an "InstancedStaticMeshComponent" to A Static Mesh Actor Blueprint

When trying to Save a Project after Adding an "InstancedStaticMeshComponent" to A Static Mesh Actor Blueprint, user experiences an Error Message: “…Graph is linked to private object(s) in an extern ...

On Hit Events are inconsistent/inaccurate when using Substepping most notably at lower frames per a second

This is a regression Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary Under the same conditions in UE4 the On Hit events fire accurately and as expect ...

Take Recorder - Viewport Freezing and Performance Degradation When Recording Without Subsequences

Description: In Unreal Engine 5.4, when recording camera movements using the Take Recorder with the "Record Sources Into Sub Sequences" option turned off, significant viewport freezing and performan ...

[CrashReport] UE4Editor_Sequencer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:964]

This is a slightly common crash coming out of the 4.17.2 hotfix. Users have not provided any descriptions of their actions when the crash occurred. Source Context 951 /** 952 * ...

Masked Mesh has significant performance hit on some android devices