Unreal Engine Issues
Unreal Engine Issues
A chaos vehicle that moves at very high speeds with CCD enabled on the vehicle sometimes has a collision response that is abnormal where the vehicle loses a significant amount of speed when colliding with dynamic objects configured as One Way Interaction
UE - Simulation - Gameplay - Dec 16, 2025Context: Continuous Collision Detection (CCD) is being used on a Chaos Vehicle to avoid tunneling issues with certain surfaces as it prevents any missed collisions between fast moving particles and ...
Unable to change collision profile on static mesh component to a specific profile.
UE - Simulation - Physics - Sep 16, 2020Cumulative Patching does not work with Pak signing
UE - Foundation - Feb 20, 2024Cumulative patching is implemented by copying the generated pak files during staging of the base and each patch to the Releases directory. When creating a patch, all of the pak files from the releas ...
SceneTexture:WorldNormal causes decal to ignore Emissive Color
UE - Rendering - Architecture - Materials - Mar 11, 2022SceneTexture:WorldNormal causes decal to ignore Emissive Color. ...
Event Dispatcher implementation called several times (number of bound refs increases every compile)
UE - Gameplay - Jun 26, 2018The number of calls to the Event Dispatcher increase each time the blueprint actor containing the reference is compiled. This issue was not present in 4.18.3 (CL-3832480) but is in 4.19.2 (CL-403378 ...
Hot Reload Crash involving variables in USTRUCTs
UE - Foundation - Cpp Tools - Hot Reload - Sep 1, 2016This issue was created for this UDN post: https://udn.unrealengine.com/questions/306933/hotreload-crashbad-behavior-when-addingremoving-pa.html This repro is based off his last repro, cutting it do ...
SceneTexture [SceneDepth] is not displayed correctly in ES3.1Preview
UE - Platform - Mobile - Oct 4, 2019It will be displayed correctly when launched with XperiaXPerformance. ...
[CrashReport] UE4Editor-MetalRHI!MetalLLM::LogAllocTexture(mtlpp::Device&, mtlpp::TextureDescriptor const&, mtlpp::Texture const&) [MetalLLM.cpp:240]
UE - Rendering - Architecture - RHI - Mar 13, 2020Generated from CrashReporter ...
Physics simulation shows strange behavior with specific skeletal mesh configurations
UE - Simulation - Physics - Mar 3, 2017PhAT is inconsistent on when it does and doesn't apply scale to Constraint positions. This leads to cases where the positions provided create constraints that may not work when the Preview Skeletal ...