Only 2 out of 4 Split Screen characters appear in TM-SplitScreen

UE - Gameplay - Oct 3, 2016

Only two characters appear in the playing field after hitting PIE. There are 4 separate screens, which I expected there being one character for each screen. 4 Characters used to spawn and now only 2 ...

Landscape Distance Fields artifacts when using DX12

UE - Graphics Features - Apr 13, 2021

This problem was reported in this UDN:https://udn.unrealengine.com/s/question/0D52L00005PbEYNSA3/landscape-distance-fields-artifacts?fromCase=1 ...

Digital Human Eyes Don't Look Correct With Ray Tracing Translucency Enabled

UE - Graphics Features - Lumen - Jan 27, 2020

The eyes in the Digital Human demo don't look correct with Ray Tracing Translucency enabled in the post process volume. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#111 ...

Origin Shifting Landscape crashes Render Thread

UE - LD & Modeling - Terrain - Landscape - Jan 10, 2020

Shifting the world origin with a landscape in the level causes a crash in the render thread. This does not crash in 4.23.1 (CL-9631420). This was reported and tested in 4.24.1 (CL-10757647) and rep ...

Cut & Paste in Sequencer breaks with Attach track

UE - Anim - Sequencer - Jan 15, 2025

Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...

Typo in the tooltip for the DynamicBranch node results pin

UE - Content - Engine - Feb 22, 2016

The Tooltip for the Results Pin of the DynamicBranch Material node incorrectly says that Color Input 1 will render if the Alpha is greater than 1, but the setup is for greater than 0. [Image Remove ...

Vehicle tire forces applied too high

UE - Simulation - Physics - Jul 22, 2022

Vehicle wheel friction values are applied too high relative to the vehicle centre of mass.  They are applied at the wheels original rest position rather than the base of the current wheel location. ...

Cached component instance data transform did not match! Warnings in Content Examples

Docs - Samples - Oct 27, 2016

Lighting is unbuilt in all levels in Content Examples. Multiple warnings appear in the log "Discarding cached lighting data which will cause lighting to be unbuilt" LogStaticMesh:Warning: Cached co ...

Display Actors Count (levels tab) goes up by one every time the project is saved

Tools - Jul 26, 2016

The number that is displayed for "Display Actors Count" goes up by one each time the save button in used within the levels tab. ...

Using "Replace variable with..." does not mark a blueprint as needing compilation

UE - Gameplay - Blueprint - Jan 4, 2016

Using "Replace variable with..." does not mark a blueprint as needing compilation. Reproduced in 4.9.2 binary, 4.10.1 binary, and Main 4.12 (CL 2813214). This is not a regression; the same bug appe ...