Unreal Engine Issues
Unreal Engine Issues
When Constrain Aspect Ratio is enabled, the display position of DrawDebug rendering becomes misaligned
UE - Editor - Developer Usability - Jan 21, 2026Display DrawDebugSphere at the DefaultPawn's positionSet bConstrainAspectRatio=true on the DefaultPawn's CameraComponent Setting bConstrainAspectRatio=true in CameraComponent causes DrawDebug renderi ...
Sequencer: Camera blends restore to incorrect view target after Keep State
UE - Anim - Sequencer - Jan 20, 2026When a Level Sequence’s Camera Cut track with When Finished = Keep State is played, the “original state” is persisted into the PreAnimatedStorage array inside FPreAnimatedCameraCutStorage. From the ...
Material Analyzer misreports static params for Material Layers
UE - Rendering - Architecture - Materials - Jan 20, 2026When analyzing materials that use Material Layers, Material Analyzer reports that multiple Material Instances “share the same static parameter array” and therefore recommends reparenting so that onl ...
[Enhanced Input] The action instance data is incorrectly reset when you call "Add mapping context" on the same mapping multiple times
UE - Gameplay - Input - Jan 16, 2026This is somewhat related to [Link Removed] Closed and was brought up by a [Link Removed] Setting the CVar input.bRespectIM ...
Clearcoat material behaves differently between 5.5 and 5.7
UE - Graphics Features - Jan 16, 2026Starting with Unreal Engine 5.7, specular reflections on clearcoat Materials are less pronounced. Unreal Engine 5.5 tests performed on //UE5/Release-5.5/, CL: 41545209 ...
The public header file ModelingToolsEditorModeToolkit.h exposes private module definition of ENABLE_STYLUS_SUPPORT
UE - Graphics Tools - Modeling Tools - Jan 15, 2026Character unnecessary step down during PHYS_Flying mode
UE - Gameplay - Player Movement - Jan 15, 2026When MovementMode is set to PHYS_Flying, the character may unexpectedly step down by MaxStepHeight when colliding with a wall near a ceiling. This occurs because UCharacterMovementComponent::StepUp ...
Editor ensure in USceneComponent::OnComponentDestroyed during Blueprint compilation GC
UE - Framework - Blueprint Runtime - Jan 15, 2026An editor-only ensure can trigger during BP compilation when garbage collection cleans up transient components created as part of component replacement. During recompilation, old component instances ...
'Hide Unconnected Pins' Button in the Blueprint Node Details Panel Disconnects SubPins with Connections
UE - Framework - Blueprint - Jan 14, 2026Given a get node with a struct output, if "Split Struct Pin" is used on the struct and one of that struct's outputs are connected to another node, it does not count as a used pin when the base get n ...