Unreal Engine Issues

Chorded Trigger evaluation can be evaluated to unexpected results in some specific cases

When a BPActor containing HISMs is multiplied with a scale, LOD display control doesn't work correctly

Workaround 1: 1. Change HierarchicalInstancedStaticMesh.cpp in either of the following ways:void{{ FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, c ...

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 ...

Disabling Disregard for GC with an invalid asset in GameplayTagTableList causes a controlled crash

Disabling Disregard for GC leads to a crash in GarbageCollectionVerification.cpp VerifyObjectFlags. This crash occurs when there is an invalid path specified in GameplayTagTableList. The cause of t ...

Pasting custom data floats from a text editor into a instanced static mesh component crashes the editor

When an instanced static mesh component with a material using a PerInstanceCustomData node has its data floats pasted in, the editor crashes with an "Array index out of bounds" error. The licensee w ...

Blueprints breakpoints in a For-Loop stops execution only once when the blueprint asset is from a project template

This issue occurs when placing a breakpoint inside a loop in a blueprint's Event Graph or Function Graph. The breakpoint is only triggered once, even though the loop should continue executing. When ...

GPU crash in LumenRadianceCache ClearProbeIndirectionCS

GPU crash accessing Scene_GPUScene_GPUScenePrimitiveSceneData

GPU crash in DistanceFieldShadowing LoadDFObjectDataFromBuffer

Physics constraint component doesn't work when placed inside a child actor, while using world partition and streaming is enabled

Context: In a World partition level, to reduce complexity and provide a scalable solution when creating new projects, grid cell streaming can be enabled. Problem: The problem is that physics constr ...