Unreal Engine Issues
Unreal Engine Issues
Editor crashes when keying a frame to an Animation from Pose with Appended Frames
UE - Anim - Runtime - May 17, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...
UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation
UE - Editor - Content Pipeline - May 1, 2025UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation. The K2Result is not used later in the function, and this ...
GeometryCollectionPhysicsProxy::FieldParameterUpdateCallback() not removing invalid Commands, leading to performance issues
UE - Simulation - Physics - Destruction - Aug 30, 2025GeometryCollectionPhysicsProxy::FieldParameterUpdateCallback() not removing invalid Commands, leading to performance issues. The licensee has provided their analysis: We seem to have stumbled acro ...
A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast it immediately disappears by hitting the world limits
UE - Simulation - Physics - Destruction - Jan 20, 2025A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast ...
SButton and SBorder multiply color and opacity twice
UE - Editor - UI Systems - Sep 22, 2016Currently, the SButton and SBorder widgets multiply the color and opacity during OnPaint before calling the super (SCompoundWidget::OnPaint). This causes the operation to be done twice, since the co ...
NiagaraEditor timeline folders are not saved correctly
UE - Niagara - Feb 8, 2023It works correctly in 5.0.3. ...
HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.
UE - Rendering Architecture - RHI - Jun 2, 2022If the same command is executed with 4.27, multiple screenshots will be saved. ...
Ensure triggered with multiple AddInstance() calls for InstancedStaticMeshComponent
UE - Graphics Features - May 20, 2016Adding multiple instances to instance static mesh component in a code class causes an ensure to trigger when an instance of the class is added to the level. ...
Local fog volume rotation causes offset issues at high world position values
UE - Graphics Features - May 20, 2024Local fog volumes have a substantial offset when placed at a far distance from world origin and is then rotated. This was not the case in 5.3 when tested under the same conditions, so this is likely ...
PlayerController::PlayDynamicForceFeedback called through code does not fire
UE - Gameplay - Input - Feb 25, 2016Calling PlayDynamicForceFeedback in code does not affect controller rumble. ...