Unreal Engine Issues
Unreal Engine Issues
A partially broken Geometry Collection ends up with garbage CollisionGroup data that can lead to strange behaviors
UE - Simulation - Physics - Destruction - Apr 27, 2025A partially broken Geometry Collection (GC) ends up with garbage CollisionGroup data that can lead to strange behaviors. The licensee has noticed that a GC that goes thru a field applying ExternalS ...
[CrashReport] UE4Editor_CoreUObject!StaticAllocateObject() [uobjectglobals.cpp:2153]
UE - Anim - Sequencer - Jun 3, 2016Really close to the repro steps for [Link Removed] Same repro steps produced the following Buggs along with this one: [Link Removed] [Link Removed] Error message: Fatal error: [Link Removed] [Lin ...
GenerateKDopAsSimpleCollision() clamps vertices that are close to the origin which results in inaccurate primitives
UE - Gameplay - Nov 10, 2015When DOP simplified collision is generated for a mesh that has vertices that are close to the origin, part of the function till clamp any values between -0.5 and 0.5 to be 0.5 which will cause the r ...
Typo in the tooltip for the DynamicBranch node results pin
UE - Content - Engine - Feb 22, 2016The Tooltip for the Results Pin of the DynamicBranch Material node incorrectly says that Color Input 1 will render if the Alpha is greater than 1, but the setup is for greater than 0. [Image Remove ...
[CrashReport] Linux Crash in FActiveSound::GetWorld()
UE - Platform - Linux - Aug 11, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...
Get Material Instance ___ Parameter Value not working for Blend Parameter
UE - Rendering Architecture - Materials - Dec 2, 2022Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
[CrashReport] UEdGraphSchema_K2::PinHasSplittableStructType
UE - Gameplay - Blueprint - Sep 14, 2017This crash is affecting a few users in 4.17. ...
Google VR Plugin - Unable to package for Distribution
UE - Platform - Mobile - Oct 19, 2018There is an issue with GoogleVR and Android SDK 26 that only occurs when packaging "For Distribution", possibly connected to the SDK 26 change regarding the UiLayer for VR mode. Packaging without Di ...
Spline mesh crashing in FRayTracingDynamicGeometryCollection::AddDynamicMeshBatchForGeometryUpdate
UE - Graphics Features - Ray Tracing - Jan 31, 2025A crash occurs when using ray tracing with spline meshes preceded by the following ensure : Ensure condition failed: NumCPUVertices <= VertexBufferNumElements File: Engine\Source\Runtime\Renderer\ ...
Fringe Saturation in Post Process Volume not functioning
UE - Graphics Features - Jul 27, 2015Setting the values for Fringe Saturation within the Post Process Volume does not seem to have any visual change. The documentation suggests that changing the Fringe Saturation will either increase ...