Unreal Engine Issues
Unreal Engine Issues
Can't assign LightMapCoordinateIndex on Static Mesh with generated LODs
Tools - Jan 10, 2020Once a static mesh have generated LODS, the only lightmap index value the static mesh editor's UI accepts is 0. We should be able to set the index to any value between 0 and 3 as long as there are ...
The process may not return to the root node after the Wait Task is completed.
UE - AI - BehaviorTree - Sep 14, 2021If the Wait Task is completed for the first frame, it may not return to the root node even after Finish. This can be avoided by increasing the wait time of the Wait Task (see CaseOK.mp4). When this ...
Error: FAsyncPackage::LoadImports for <some asset>: Skipping import PaperTileMap /Script/Paper2D.Default__PaperTileMapActor:RenderComponent.PaperTileMap_0, depends on missing native class
UE - Gameplay - Blueprint Compiler - Jun 30, 2020User reporting seeing this error start appearing in 4.25.1 (possibly 4.25.x, unsure if they were previously testing on 4.25.0 or not). It appears 'benign' as the expected data still gets loaded, bu ...
Actor Component instances have their settings reset to default when compiled in 4.17 (Compilation Manager)
UE - Gameplay - Blueprint Compiler - Aug 10, 2017REGRESSION: Yes, does not occur in 4.16 When converting a 4.16 project to 4.17, any actor component instances will have their settings reverted back to default when the user compiles the blueprint. ...
Crash upon opening packaged game when Event Driven Loader is disabled
UE - Foundation - Core - Apr 26, 2019Packaged games are unable to open when Event Driven Loader is disabled. The error message given is: Assertion failed: !Linker->GetSerializeContext() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\C ...
MetaSounds isn't working with Modular Game Features - LogMetaSound: Error: Target interface is not registered
Audio-Gameplay-Engineering - Nov 22, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Errors:[2022.11.22-18.11.28:472][ 0]LogMetaSound: Error: Target interface is not regi ...
Post processing rendering artifacts Nexus 6
UE - Platform - Mobile - Dec 3, 2015When you push a mobile targeted project to the Nexus 6, the rendering is all sorts of wrong. When you hover over to where the items are, the screen goes black. There is also a large black or cyan sp ...
Curves in compressed additive animations interpolate incorrectly when two keys in a row have the same value
OLD - Anim - Oct 16, 2019Curves compressed from additive animations will not interpolate correctly if they have two keys in a row with the same value. The second key will be ignored, leading to the curve interpolating earli ...
FString.Mid doesn't react appropriately when given negative values for the Count variable
UE - Foundation - Core - Jul 16, 2015If you use a 5 character string (hello) to call the Mid function and provide 0 for start, -1 for count, it'll give you the entire string. This should either return an assert or treat all negatives a ...
Plugins are not creating shipping versions on package on Mac 4.23 Preview
UE - Foundation - Cpp Tools - Jul 15, 2019When you try to package a plugin on Mac in 4.23.0 Preview 1 there is no Shipping folder generated. This was verified to not happen in 4.22.3 (via Epic Launcher). Found in 4.23.0 Preview 1 CL# 72363 ...