Unreal Engine Issues
Unreal Engine Issues
Physics not reacting correctly with physical material if velocity is not high enough
UE - Simulation - Physics - Feb 3, 2015There are issues with the way Physics is being handled with physical materials. Having a physical material setup with a restitution of 1 and a high max depenetration value will result in no bounce. ...
Setting LOD Group for Foliage wipes previous LOD data
Tools - Feb 4, 2015If you import a mesh with LODs and assign the LOD Group for Foliage the mesh will import with all appropriate LODs. If you do not select a LOD group and after decide you want to change the LOD Grou ...
4.6 Delegate error in Blueprints
UE - Gameplay - Blueprint - Dec 12, 2014When looking into the bd_hud_scoring and bd_rules_maze blueprints in the users project (Provided below), there are nodes that are throwing errors. If you press compile, the errors go away and the co ...
[CrashReport] UE4Editor_UnrealEd!TArray<TScriptDelegate<FWeakObjectPtr>,FDefaultAllocator>::Find() [array.h:784]
UE - Gameplay - Aug 22, 2017This is a regular crash occurring in 4.17. It may be a regression as there is no immediate evidence of it occurring in prior releases. Users have not provided any descriptions of their actions whe ...
[CrashReport] UEdGraphPin::Modify - UEdGraphSchema_K2::RecombinePin
UE - Gameplay - Blueprint - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 606 void UEdGraphPin::AddStructRe ...
Importing animation onto a camera in Sequencer adds extra keys to the scale and rotation attributes
UE - Anim - Sequencer - Oct 22, 2019When importing non-baked animation (i.e. not keyed on every frame) onto a camera in sequencer, Unreal adds extra keys to the rotation and scale attributes as if it is baking the rotation and scale a ...
Anim sequence in DLC leads to crash in IOS.
UE - Platform - Mobile - May 19, 2020DLC download is working as expected but opening a map with anim sequence which is located at DLC's pak file will lead to crash in iOS. ...
InstancedStaticMesh displaying corrupt lightmap data
UE - Graphics Features - May 17, 2021I think I narrowed this issue down to bad UV coordinates being interpreted during the BasePassVertexShader execution applied to instancing. At this line in VertexFactoryGetInterpolantsVSToPS: flo ...
Hitting a breakpoint in widget blueprint while running PIE with Selected Viewport mode blocks entire editor rendering
UE - Editor - UI Systems - UMG - Oct 6, 2023This problem does not occur when running PIE with New Editor Window mode. ...
Audio Does Not Play Back Correctly when entering an Audio Volume with a Submix Send that is PreAttenuation with a Submix using Convolution Reverb
UE - Audio - Oct 24, 2023Entering an Audio Volume that has a Submix Send set to Pre Distance Attenuation and using a Convolution Reverb causes severe audio glitching. Does not occur if Send is Post Distance Attenuation. Doe ...