Unreal Engine Issues

Anim Blueprint preview plays incorrect anim sequence after swapping sequence players

It seems that the debug skeletal mesh in the anim blueprint preview can end up playing the incorrect anim sequences.  This happens when a sequence player, with the anim sequence specified via proper ...

Layered Control Rigs + Skeletal Mesh with Animation Blueprint in the Sequencer

When a layered control rig track is added to the sequencer the character’s legs will collapse into the body of the character. Switching the layer to additive will do nothing. Trying to force the ani ...

Cook errors from Landmass plugin in 5.4

Ortho near plane clips geometry in Editor Top view

When the viewport is in Top (ortho) Lit mode the near plane clips through geometry as you zoom the view in and out. ...

Render Graph pass merging issue with async compute transitions

A UDN user reported an edge case in RDG that triggers an assert. ...

UEdGraph pointer data is not correctly un-done and graph nodes are lost when declared as a UObject property

When an undone operation is done for a UObject property that has a UEdGraph*, the modified UEdGraph nodes are lost. This UObject needs to be created/spawned in an Editor Environment by another Obje ...

Thin Translucent rendering output is different on UnrealEditor/PC and PS5 with Ray Tracing enabled

Reported from UDN With RT Translucency and Reflections enabled, Thin Translucent rendering is incorrect on PS5 in UE 5.3 ...

Child actor primitive root component failing to decrement attachment counter to 0 before UPrimitiveComponent::FinishDestroy

Dragging a BP actor containing a child actor component of an actor class with a static mesh as its root component into the scene viewport will cause artifacts and hit SceneData.AttachmentCounter.Get ...

Water Brush incorrectly captures rivers with non-square landscape resolution

The adding of terrain tiles eventually results in a reallocation of the landscape and something becomes de-synchronized between the water system and the landscape system resulting in the deformation ...

Assertion failed on reimporting FBX scene

Following code works as a work around : void SFbxSceneStaticMeshReimportListView::OnChangedOverrideOptions(TSharedPtr<FString> ItemSelected, ESelectInfo::Type SelectInfo) { #if 0 check(ItemSele ...