Significant hitch occurs when invoking ApplySettings on a UGameUserSettings object

UE - Graphics Features - Jun 18, 2025

Calling the ApplySettings method on a UGameUserSettings object results in a noticeable hitch, with severity proportional to the number of primitive components present in the scene. This hitch stems ...

SkyLight Leaking does not affect reflections when the SkyLight is static but static lighting is disallowed

UE - Graphics Features - Sep 10, 2025

Reflections do not receive SkyLight leakage contribution from a static SkyLight when static lighting is disallowed. This is caused by the function UpdateSkyIrradianceGpuBuffer checking if the SkyLig ...

If 'Enable Physics Interaction' is disabled, the player can still interact with physics objects

UE - Gameplay - Oct 22, 2015

If 'Enable Physics Interaction' is disabled, the player can still interact with physics objects User Description: I have a Bus Vehicle with custom physics (skeletal mesh). So I can walk through th ...

Distance Fields no longer work with instances when PIE/Simulate

UE - Graphics Features - Apr 20, 2015

When using distance fields with instance meshes from the foliage tool everything works correctly, however, when simulating or PIE the distance fields will be removed. This working correctly in 4.7.5 ...

Editor movement control regression

Tools - Jul 8, 2015

Using Ctrl+Drag in 4.8 will not affect the location of selected actor if the viewport camera is facing away from selected actor. In 4.7.6 the actor would travel along the X axis even if the camera ...

Confusion over what assets are saved in Persona with the Toolbar button

OLD - Anim - Jun 24, 2015

Some users appear confused as to why the skeleton is not saved when they add sockets while in Animation Editing Mode. Unsure what an elegant solution would be at this time. ...

The Default Value for a Timespan variable resets whenever its Blueprint is compiled

UE - Gameplay - Blueprint - Nov 30, 2014

The Default Value for a Timespan variable resets to 00:00:00.000 whenever its Blueprint is compiled. ...

Skeletal mesh jerks backwards when moving capsule component back to skeletal mesh with physics enabled

UE - Simulation - Physics - Jul 27, 2015

If a skeletal mesh utilizing a capsule component has physics enabled to ragdoll, when the capsule is moved back to the mesh the mesh will jerk backwards towards the capsule briefly. ...

Imported tiled landscapes into World Composition Browser have seams between landscape tiles

UE - LD & Modeling - Terrain - Landscape - Mar 19, 2015

Landscape seams appear between world composition browser imported heightmap tiles. Workaround: Run over seam with smoothing tool set to strength 0.0 ...

Get Data Table Row cannot accept non-literal Data Table input information

UE - Gameplay - Blueprint - Mar 16, 2015

Get Data Table Row node cannot accept non-literal input in the "Data Table" input. Additionally, this cannot be promoted to a variable. ...