Unable to affect setting cubemap blend in skyLight and reflections on transluscent materials

UE - Rendering - Architecture - Oct 17, 2023

Attempting to blend SkyLight Cubemaps via the SetCubemapBlend function to blend between different Cubemaps to make the changes seamless is not reflected. As a workaround, in LumenTracingCommon.ush, ...

Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components

UE - Gameplay - Player Movement - Oct 22, 2024

When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...

Pilot actor no longer generates undo transactions

UE - Editor - Workflow Systems - Jan 22, 2024

The piloting feature in the editor viewport is not undoable with Ctrl+Z It also does not cause the actor to become dirty so any changes during piloting are lost and not saved (user also not prompted ...

Transform gizmo is not working when nearclipplane in project settings > Engine > General settings is 0.00001

UE - Graphics Features - Mar 23, 2020

Setting near clip plane like 0.00001 makes unable to move with transform gizmo. if user set value to 0.0001, it is no longer reproduced. it should clip value like 0.00001 ...

Launching the editor with -d3ddebug and enabling LOD Coloration mode gives D3D11 DEVICE_PSSETSHADERRESOURCES_HAZARD warning

UE - Graphics Features - Nov 3, 2015

Launching the editor with the "-d3ddebug" command line option and then enabling the "LOD Coloration" view mode (under "Lit") results in the following D3D warning: D3D11 WARNING: ID3D11DeviceContext ...

Layered destructible meshes do not simulate correctly

UE - Simulation - Physics - Destruction - Aug 10, 2015

Layered destructible meshes do not simulate in the same way between UE4 and PhysX Lab. The observed issues are: 1) After first fracture no more damage is applied 2) Areas seem to react differently ...

Geometry in hidden Layer unhides if moved in the viewport

Tools - Mar 3, 2017

Geometry that is hidden in a layer, becomes visible after being moved in the viewport. The layer stays hidden, and if a cube is placed in the layer, it also remains hidden. Moving a cube that is hid ...

Post increment operator is not overridden for data structure iteration

UE - Foundation - Core - Mar 21, 2017

Attempting to use a post increment operator in a TMap or TSet iterator will fail to compile with error shown in callstack field. This is due to the post-increment operator not being overridden in M ...

Actor Not Ticking on First Streaming Level Load When Using Level Streaming Volume

UE - Gameplay - Apr 11, 2017

Actor's do not appear to be ticking when a level is first loaded when using a Level Streaming Volume. The Tick event will fire on the second and subsequent attempts. Edit: After further testing, th ...

material clamps with Panner for HTML5 when texture size is not power of two

UE - Platform - Mobile - Apr 25, 2017

When launching for HTML 5 and using a texture or image that is not a power of two in size the texture does not pan correctly, instead of panning as expected, the material clamps and will remain that ...