Unreal Engine Issues
Unreal Engine Issues
Rect light artifacts from NaN pixels on surfaces that are coplanar with light position
UE - Graphics Features - May 10, 2024Rect lights cause artifacts (nan pixels) on pixels of surfaces that are coplanar with light position. In RectLight.ush, in RectIrradianceLambert, at line 106, c30 is -1, so rsqrt(0) causes a nan to ...
Lumen Reflections in Stereo are broken after Nvidia GPU Driver Update
UE - Platform - XR - Jul 29, 2024After updating the NVidia graphics driver to v.552.74+, reflective/mirror materials appear broken and render with black and white lines in VR mode if they are in a level with a Post Process Volume w ...
Creating a new project from vault does not save the default location
Tools - May 12, 2015When creating a new project from the vault, for example: Content Examples, each time it tries to save on the C:\My Documents\Unreal Projects instead of D:\Unreal Projects, even though that folder is ...
Clicking "X" close button when prompted to convert a project will still convert the project
Tools - Apr 27, 2015The prompt window that appears when a project is converted from one engine version to another will "approve" the conversion even if the red "X" is pressed to close the prompt window. ...
Mousing over component list of an actor with InputComponent causes breakpoint in VS during PIE
Tools - Feb 24, 2015When debugging a project through Visual Studio, if an actor with an Input Component is selected in the World Outliner a breakpoint will trigger in VS when attempting to select/mousing over any compo ...
Placing 3 or more individual meshes in the foliage tool and creating a large amount of them dramatically reduces FPS
UE - World Creation - Worldbuilding Tools - Foliage - Jan 13, 2015While the framerate has improved for 4.7 in regards to large amounts of foliage, when a user places a substantial amount of foliage into level and it has at least 3 different foliage meshes, FPS dro ...
Some reset to default buttons not appearing for UMG Appearance
UE - Editor - UI Systems - Aug 19, 2016Some reset to default buttons not appearing for UMG Appearance. This seems to only affect the Categories like Brush, Style or categories under Style like Normal/Hovered. Individual properties rese ...
AnimBP Bug: Print string triggered though not referenced
UE - Gameplay - Blueprint - Feb 10, 2015Newly created animation blueprints will fire themselves during any form of PIE if they have been newly created during that session and even if no assets in the scene reference them at all. Restartin ...
Game window renders transparent when launched with -game -log commands on Mac
UE - Platform - Apple - Oct 31, 2016This is only occurring on Mac and only in OSX 10.12. This is also a regression from 4.13 Right clicking in the dock, Show all windows, and selecting the game window does NOT fix the issue. Runnin ...
Crash playing a HapticFeedbackEffect_Soundwave with no sound assigned
UE - Platform - XR - Sep 13, 2016Crash attempting to use a HapticFeedbackEffect_SoundWave with no sound set on it (i.e. a newly created one.) Found on: 4.13.1 Binary CL-3120228 //UE4/Release-4.13 CL-3123398 Similar to [Link Remo ...