Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering

UE - Graphics Features - Jul 5, 2018

The expected behavior occurs in 4.19; unexpected behavior occurs in 4.20 and 4.21. Marking this as a regression. Per User: Reading the LightAttenuationTexture in a material receives interference ...

OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited

UE - Editor - Jun 28, 2023

If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...

Crash on exit PIE when playing with more than one player on Linux

UE - Platform - Linux - Oct 3, 2016

When playing in non-single player game in the editor (either set # players or check dedicated server checkbox), the editor will crash when the play session ends. Regression: Yes - editor does not c ...

High Res Screenshot Tool Scene Color rendering washed out as EXR

UE - Graphics Features - Dec 8, 2015

When rendering out the Buffer Visualization Targets with the HDR setting on, the resulting Scene Color EXR is rendering significantly washed out compared to the Buffer Viz. in the Editor and if comp ...

Run Command fails when launching code project onto Mac from the editor

UE - Platform - Apple - Apr 18, 2017

This only affect Launching on code projects. Packaging code projects works fine.LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Unabl ...

Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"

UE - Editor - UI Systems - Jun 19, 2017

When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...

[CrashReport] UE4Editor_Landscape!ALandscapeProxy::GetLandscapeInfo() [landscape.cpp:785]

UE - LD & Modeling - Terrain - Landscape - Jul 13, 2017

This is a common crash affecting users in the 4.16 release. Users have not provided any descriptions. Source Context 775 { 776 ULandscapeInfo* LandscapeInfo = nullptr; 777 ...

Virtual textures flicker if physical pool is oversubscribed

UE - Graphics Features - Feb 24, 2021

If a virtual texture physical pool becomes oversubscribed the current behavior is: Log a one time only warning: ''Failed to allocate VT page from pool...' Continue to evict the least recently used t ...

Instanced meshes do not accurately use volume light samples when lit in a statically lit scene

UE - Graphics Features - Aug 14, 2015

When using instanced meshes in a Blueprint or in foliage tool the indirect lighting cache will not correctly light these meshes. I've include a sample project with map to demonstrate what the lice ...

Viewport Flickers when opening a Blueprint and Setting it as a Docked Tab on El Capitan

UE - Platform - Apple - Apr 4, 2016

When docking a blueprint as a tab in the main viewport the sprites and other actors placed in the default scene (including player start) begin to flicker. This flicker persists until you close and ...