Unreal Engine Issues
Unreal Engine Issues
Investigate code in SViewport.cpp that makes use of TWeakPtr's to see if it can be altered to better protect against a possible crash.
Tools - Aug 31, 2015A user reported a one-time crash that possibly occurred when a TWeakPtr became invalid immediately after passing an IsValid check, before the TWeakPtr could be used. The SViewport.cpp file contains ...
Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled
UE - Graphics Features - Aug 27, 2019Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...
Animation sub instances tick twice with a post processing BP
OLD - Anim - Sep 18, 2019An animation's sub instances will tick twice per frame if a post processing BP is set. ...
ABI break in Pixel Streaming appearing in Packaged builds
PixelStreaming - Feb 24, 2022WebRTC binaries do not have the correct headers and the headers need to be updated. Linux binaries also need to be updated to match the new headers. ...
[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash
UE - Engine Scaling - Mass - Mar 19, 2023If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...
Small UInstancedStaticMeshComponent::UpdateInstanceTransformById bug
UE - Rendering - Features - Nov 20, 2024The call to UpdateInstanceTransform within UInstancedStaticMeshComponent::UpdateInstanceTransformById(..) sends bTeleport in place of bMarkRenderStateDirty that was added as part of Unreal Engine 5. ...
Intermittent issue with OpenStreetMap displaying as black and being nonfunctional on MacOS.
TM - Core - Mar 14, 2025Bloom Blown Out In Forward Shading With MSAA and Separate Translucency Enabled
UE - Graphics Features - Mar 31, 2017When a material is utilizing emissive color, separate translucency, and the project is using MSAA the material will give off intense bloom to the point of flashing the screen. [UPDATE] After addit ...