Unreal Engine Issues
Unreal Engine Issues
VolumetricCloud crashes in orthographic view
UE - Rendering - Features - Feb 17, 2025FVolumetricRenderTargetViewStateData structure for the orthographic view is not initialized and the structure has some uninitialized member variables. If uninitialized FVolumetricRenderTargetViewSta ...
Sequence thumbnails save with visual issues
zComponent - Archive - Aug 1, 2025[Link Removed] When camera tracks are activated, saving the sequencer results in captured anomalies: 1. Incorrect aspect ratio 2. Additional post-processing effects such as lens flare appear 3. ...
WorldToClip/ClipToWorld transform in materials not behaving as expected
UE - Rendering - Features - Dec 19, 2025In 5.3, the specified code will return all 0 or very small as expected. However in 5.4.4 and onwards (also checked in 5.6.1 & 5.7.1), it returns very large numbers. ...
Static Mesh Only enabled Foliage Actor causes serialization error in packaged game
UE - Engine Scaling - Streaming - Nov 24, 2023The crash can be worked around by modifying FFoliageISMActor::Serialize as following code : void FFoliageISMActor::Serialize(FArchive& Ar) { #if WITH_EDITORONLY_DATA if (!Ar.IsCooking()) // ...
Crash when reverting to the default material in the static mesh editor
Tools - Apr 17, 2017The editor crashes when attempting to revert the material on the cube back to default which is the World Grid Material. The cube is already set to WorldGridMaterial so I am not sure why the arrow ...
Assert cooking QAGame QA-Blueprints map with Nativization enabled
UE - Gameplay - Blueprint Runtime - Apr 18, 2017When cooking QAGame (QA-Blueprints map) an assert is triggered during the cook step. So far I have reproduced this for: Win64 and PS4. ...
Editor crashed on opening level blueprint
UE - Gameplay - Apr 10, 2017I've been unable to reproduce this issue. Once only occurrence so far. I did some other things inside the level in between these steps like pressing play and copying, rotating, deleting objects in ...
Materials using Media Textures appear upside down in UMG on Android
Tools - Jul 7, 2015When a user applies a media texture to a material and then applies this to an image widget, this material appears upside down when launched on to the Galaxy Note 3 (OS-Android 5.0) and the Nexus 5 ( ...
Separate Translucency Advnaced Show Flag not working as expected
UE - Graphics Features - Jan 11, 2017The show flag Separate Translucency is on by default. In TM-ShowFlags_Advanced, the sphere in display 1.7 should not be blurry when you enter the volume. Toggling the flag on and off doesn't change ...
'Random Pitch Angle' not working when 'Collision with World' is enabled for Foliage instance settings
UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2017The 'Random Pitch Angle' setting within the Foliage instance settings are being overridden or ignored when 'Collision with World' is also enabled. This occurs in the binary releases of 4.12.5, 4.13 ...