Unreal Engine Issues
Unreal Engine Issues
iOS Metal-based build crashes at launch with sub-levels.
Tools - May 16, 2016Application crashes when deploying a game to iOS with Metal enabled. This has only been reproduced if a sub-level has been added to the starting level within the project. This seems to only happen ...
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 ...
HTML5 shows up as black screen in FireFox 32-bit
UE - Platform - Mobile - Apr 16, 2015Packaged HTML5 games are not running on FireFox 32-bit Version 37.0.1; Some projects will also provide you with a scripting error that appears when you attempt to run the game on 37.0.1 Spoke with ...
OnParticleCollide doesn't return Velocity on every bounce
UE - Niagara - Jun 2, 2017OnParticleCollide doesn't return Velocity on every bounce. In code it lists all the return pins trigger 'on kill'; however, all other pins return correctly on each bounce but the velocity does not. ...
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 ...
ACEScg Working Color Space renders more saturated than previous versions
UE - Virtual Production - Rendering - Color - Jan 11, 2023Regression: Tested in UE5/Release-5.0, this issue does not occur so this is a regression. This appears to be effecting all Working Color Spaces as well. Each Working Color Space chosen renders the ...
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 ...