Unreal Engine Issues
Unreal Engine Issues
Crash occurs in Hierarchical Instanced Static Mesh of Mesh with MinLOD set to 1 or higher
UE - Graphics Features - Oct 22, 2020I have attached a reproduction project with the above settings.[Link Removed] It crashes when packaged, launched and moved in-game. This issue seems to occur when there is an object in the Unbuilt ...
Scaled Geometry Collection made from non-basic Static Mesh Crashes Editor
UE - Simulation - Physics - Destruction - Nov 14, 2022Reproduced 3/3 times. So far tested with the Chair and Statue from the Blank Template Editor Default level. Error Reads as follows:Assertion failed: IsValid() [File:D:\build\++UE5\Sync\Engine\Source ...
Deleting a Virtual Camera Actor disables Gamepad Input across Editor
UE - Virtual Production - Tools - Virtual Camera - Jan 6, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Issue seems to occur when the Virtual Camera actor is fully initialized? If Editor is res ...
Jitter playing animation on actor located far from origin
UE - Anim - Runtime - Mar 12, 2024A licensee has reported an issue with jitter when playing animations on an actor translated far from the origin (300000.0 units). This repros on the First Person Template. The issue is more obviou ...
UHapticFeedbackEffect_SoundWave Initialize does not populate Raw Data in the HapticsBuffer
UE - Platform - XR - Jul 19, 2024From the UDN: > Open HapticsFeedbackEffect.cpp and naivgate ~ line 150; note HapticBuffer has length populated but never write the actual buffer data. LikeReplySelect as Best Seems like a simple f ...
UAT not considering remote root
UE - Foundation - Cpp Tools - Automation Tool - Apr 2, 2025It seems like WriteFileList (TempStorage.cs) is not respecting the enginePath as set from horde context. _localDir in TempStorage.cs seems to be based off of the RootDir (details here). Proposed ...
[CrashReport] UE4Editor_Engine!FHLSLMaterialTranslator::GetParameterUniformExpression() [hlslmaterialtranslator.h:1671]
UE - Graphics Features - May 25, 2017This is a top trending crash in the 4.16 release. This may be a regression from 4.15. Additional information is currently unknown. Users have not provided any details. ...
[CrashReport] UE4Editor_ClothingSystemRuntimeInterface!UClothingSimulationFactory::CreateSimulation()
UE - Simulation - Physics - Character - Jun 27, 2017This is a common crash in the 4.16 release. Users have not provided descriptions so additional information is not currently available. Source Context 28 // Any clothing simulation factory s ...
Component Reference of Placed Instance does not Update after Removing the Component in Code.
UE - Gameplay - Mar 14, 2016After creating a component in code and placing an instance of the code class/blueprint into the level, the component will still show as inherited if the component is removed from code. EDIT: Includ ...
OnRep_ReplicatedAnimMontage causes popping when montage ends
OLD - Anim - Oct 8, 2016UAbilitySystemComponent::OnRep_ReplicatedAnimMontage doesn't handle some edge cases when stopping the montage when blending is involved. Namely, it's possible on a client (due to latency, etc.) that ...