Unreal Engine Issues
Unreal Engine Issues
Random Deviation of 0 causes service node instantiation fail
UE - AI - Apr 17, 2018Licensee has 4 Services that aren't being initialized with their respective Tasks when they Plays in Editor. If the Behavior Tree is opened first, the warnings do not appear. All 4 of the Services h ...
FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always
UE - Foundation - Core - May 7, 2020FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always. Because of FLLMTracker::FLLMThreadState::GetFrameStatTotals don't amount to about CustomTags. Following code will ...
8 bit resolution darker than 16 bit resolution inside UE4
UE - Graphics Features - Oct 8, 20158 bit textures are darker than 16 bit textures inside of editor. ...
Material base color is lighter on Nanite meshes when using 16-bit GBuffer
UE - Graphics Features - Nanite - Aug 6, 2024The base color is brighter on Nanite meshes than non-Nanite meshes when GBuffer Format is set to "Force 16-bits per channel" (r.GBufferFormat 5) even though the meshes are using the same material. ...
Sequencer Sub Sequence cannot play back from Master Sequence at a Time Scale under "1.0"
UE - Anim - Sequencer - Dec 13, 2018Sequencer Sub Sequence cannot play back from Master Sequence, when the Property Time Scale is set to numbers under "1.0" ...
Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components
UE - Anim - Runtime - Jan 30, 2025This issue is caused by the backout in 38341618. The original code that went into 5.0 affects serialization by changing the UCS modified properties. When upgrading, the override is lost because th ...
Crash when using merge actor on static meshes that have been affected by simplygon
UE - Gameplay - Oct 5, 2016Crash when using merge actor on static meshes that have been affected by simplygon ...
When using ProceduralFoliageVolume, ActorFoliage can be used even if World Partition is enabled in UE5.0
UE - World Creation - Worldbuilding Tools - Foliage - Jun 28, 2022UE5.0 does not support ActorFoliage at Levels where World Partition is enabled ( [Link Removed] ), but ActorFoliage will work via ProceduralFoliageVolume. And when you cook the level you will get an ...
Nav Modifier Volume Not Affecting Nav Mesh Until it is Moved
UE - AI - Oct 21, 2016Nav Modifier volumes are not affected the nav mesh until they are moved from their initial placement position. Found in 4.13.1. Reproduced in 4.12.5 and 4.15 Main CL 3163223 This is similar to [Li ...
Play rate value under 1.0 seems ignored when with Render movie to video feature
UE - Anim - Sequencer - Nov 7, 2019Is this a regression? Yes, this is not reproduced in 4.22 version When rendered movie have Play rate track, it should show same result for PIE and rendered movie. But play rate below 1.0 seems not ...