Unreal Engine Issues
Unreal Engine Issues
GAS: UGameplayEffect tags async loading race condition
UE - Gameplay - Gameplay Ability System - Oct 12, 2022User reported game thread and async loading thread accessing a UGameplayEffect property at the same time:Game thread having loaded a GameplayEffectA and in its PostLoad() updating the property Inher ...
ARKit- Camera Passthrough does not function in ARDebugCheck Packages targeted for Shipping
UE - Platform - XR - Apr 1, 2022Repro Rate 5/5 Confirmed to be a regression. Regression tested in //UE4/Release-4.27 at CL 18319896 and it did not occur. This was tested on a prepackaged project for compat testing. Only a black ...
Creating a new project based on VR template requires user to compile DDC with installed engine
UE - Foundation - Build - Rocket (Installed Engine) - May 27, 2021Found that with machines that have not created a project based on this template before that DDC needed to be compiled with an installed engine, while other machines that have created a project with ...
The showdebug abilitysystem command crashes editor when the target is a child actor
UE - Gameplay - Dec 2, 2021An actor with an AbilitySystemComponent that is spawned by a ChildActorComponent will have a null AbilityActorInfo. This leads to a crash in the ASC when GetDebugTarget attempts to access AbilityAct ...
Visual Studio integration plugin is required to compile when using Rider IDE
UE - Foundation - Cpp Tools - Apr 19, 2022Rider integration and RiderLink plugin was in beta during UE5 Early release and is now in release with UE5 5.0.0 Release. [Link Removed] Due to the above information, it seems we can not test regr ...
GAS: RemoveActiveGameplayEffect crashes when called during world teardown for periodic GEs
UE - Gameplay - Gameplay Ability System - Mar 2, 2023AbilitySystemComponent crashes when RemoveActiveGameplayEffect is called during world teardown for an active gameplay effect that ticks periodically, by unsafe GetWorld()->GetTimerManager() access w ...
Custom Primitive Data crash when used from Static Mesh Comp attached to BP Actor
UE - Graphics Features - Mar 22, 2022When trying to edit custom primitive data on static meshes attached to a BP actor, an out of bounds access will occur. This does not occur when the static mesh is simply on a regular Actor (Same rep ...
Exporting to FBx nanite staticmesh, export the low res fallback LOD 0
UE - Editor - Content Pipeline - Import and Export - Dec 7, 2022The exporter export the render data and the nanite render data is on the gpu and is not accessible, this is why it export the fallback mesh. Its more complex then it appear since we will need to do ...
[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs
UE - Audio - Stream Caching - May 31, 2022Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...
VertexInterpolators allocate unused params which generate extra shader ops
UE - Rendering Architecture - Materials - Feb 17, 2022As a follow up on this: https://udn.unrealengine.com/s/question/0D54z00006yxUdXCAU/vertexinterpolators-problem VertexInterpolators are added to the HLSL code even if unused and you demand the HLSL ...