Unreal Engine Issues
Unreal Engine Issues
Thare are some case in which KeepState doesn't work propely if level sequence have multiple Shot and Transform Tracks
UE - Anim - Sequencer - Feb 16, 2021if fulfilling following conditions, KeepState setting of transform track doesn't work.level sequence have 3 or more shot have camera track and actor track have transform tracktransform track of acto ...
SetStaticMesh does not replicate
UE - Networking - Jun 2, 2015Using OnRep_StaticMesh() in code or using the Set Static Mesh node does not replicate across server/client in game. ...
[CrashReport] UE4Editor_ClassViewer!TBaseMulticastDelegate<void>::RemoveDelegateInstance() [delegatesignatureimpl.inl:970]
Tools - Jul 14, 2017This is a common crash affecting users on Windows and Linux. It also appears related to an older Mac crash ([Link Removed]). Users have not provided any new descriptions. Source Context 959 ...
[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHISetShaderSampler() [d3d11commands.cpp:647]
UE - Graphics Features - Sep 20, 2017This is a common crash that has occurred since 4.16 for over 50 users. Unfortunately they have not provided any description of their actions when the crash occurred. The callstack has similarities ...
Assertion thrown while creating a Geometry Collection with Hardware Raytracing enabled along side r.RayTracing.Geometry.GeometryCollection 1
UE - Graphics Features - Apr 26, 2022A raytracing project with hardware raytracing enabled and r.RayTracing.Geometry.GeometryCollection set to 1 triggers a crash when trying to create a geometry collection. ...
Consolidate ScreenSize code and refactor to avoid confusion
OLD - Anim - Aug 22, 2016We do have very inconsistent system between Static/Skeletal and the current name is set for ScreenSize. However, Static mesh and HLOD are using ScreenSize name for Screen area calculation. We wan ...
Data loss caused by C++ Child Actor Component when compiling Child BP
UE - Gameplay - Blueprint - Dec 22, 2016Having Child Actor Components that are set in code can cause data loss upon compiling the blueprint. In this particular scenario, there are two custom Actor classes involved, MainActor and SubActo ...
Null Material Layers in Material Instances cause Opacity Mask and WPO to break on Nanite Meshes
UE - Rendering Architecture - Materials - Oct 31, 2024When a Material Instance is loaded that has a nullptr layer in StaticParametrs.Materiallayers. The Material Instance will create it's own CachedExpressionData but the ConnectedParameterMask will be ...
No Dynamic Shadows From Stationary Lights in Forward Shading Without Building Lighting
UE - Graphics Features - Apr 24, 2018I've observed this issue in 4.18.3 and 4.19.1. Per Licensee: So we've spotted an issue that I wanted to put on your radar with dynamic shadowed stationary lights + r.ForwardShading=1 What we're s ...
Tabbing out of exclusive fullscreen leaves the window & backbuffer in an incorrect state
UE - Editor - UI Systems - Apr 24, 2020With windows 10 there has come some new swap chains, which unfortunately messes some things with regards to fullscreen up. We've fixed a bunch in the renderer (which would downright cause crashes), ...