Unreal Engine Issues
Unreal Engine Issues
Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering
UE - Graphics Features - Jul 5, 2018The 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 ...
Child Actor Component Actor Duplicates and Persists After Play
UE - Gameplay - Sep 26, 2019When an actor spawns another actor using AddChildActorComponent that comes alphabetically before it based on blueprint name it will spawn an extra actor that will persist when the scene is stopped d ...
Crash when generating mip maps for texture
UE - Graphics Features - Dec 23, 2019Generating mip maps results in crash and seems to duplicated 1x1 mip level. NOTE: The bug was originally reported in 4.23.1, however, for some reason I was able to open the texture in 4.23.1 afte ...
Unable to Import Alembic Files in UE4
UE - Editor - Content Pipeline - Import and Export - Feb 25, 2020We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...
OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited
UE - Editor - Verse Class Editor - Jun 28, 2023If 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 ...
Run Command fails when launching code project onto Mac from the editor
UE - Platform - Apple - Apr 18, 2017This 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, 2017When 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, 2017This 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 ...
Duplicating a Sequencer causes events from the original sequence to fire when the second Sequencer is ran
UE - Anim - Sequencer - Nov 13, 2018When using a Sequence that is a duplicate of another, without changing the event names, the duplicate Sequence will still fire off the event from the original even if the values are changed. Changin ...
Virtual textures flicker if physical pool is oversubscribed
UE - Graphics Features - Feb 24, 2021If 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 ...