Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior

UE - Simulation - Physics - Nov 21, 2024

Changing the state of a PrimitiveComponent->BodyInstance while SetSimulatePhysics(false) updates the game thread but does not update the physics behavior. In the repro project provided (see addl in ...

Connecting GetSequenceBinding node to LevelSequence including Spawnable Actor etc. will result in error

UE - Gameplay - Blueprint Editor - Feb 22, 2018

[Link Removed] ・Open attached project ・Open NewMap ・Confirm that an error appears on the console ・When creating a Windows (64-Bit) package in this state, the same error occurs ...

Spawned skeletal animations don't animate

UE - Anim - Sequencer - Oct 30, 2017

Unable to change Actor Coloration View Modes in PIE

UE - World Creation - Worldbuilding Tools - Jul 20, 2025

When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...

Inaccurate Collision is Generated When Using Multi Convex Hull (PhysicsAsset Editor)

UE - Simulation - Physics - Nov 17, 2017

Multi Convex Hull created bodies that are not as accurate as in version 4.17 on skeletal meshes ...

Linux crash on Import

UE - Platform - Linux - Jun 2, 2016

Attempting to import content into a project causes the editor to crash on Linux ...

Crash opening TM-DistanceFields in editor on Mac

UE - Graphics Features - Jul 5, 2017

QAGame is crashing when opening the TM-DistanceFields map in editor on Mac Crashreporter is not showing up for this crash so no link to CR website is available. Does not occur on Windows. ...

PhysX crash when SetMaterial is called

UE - Simulation - Physics - Mar 14, 2016

When provided sample project is run in PIE, crash occurs after call to SetMaterial() is made in code. Downloadable Project: [Link Removed] CrashReporter: [Link Removed] ...

New VR-Basic level triggers Metal validation layer assertion

UE - Platform - Apple - Mar 16, 2020

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...

Ensure/Crash upon opening TM-Hair with Vulkan RHI | Ensure condition failed: DepthStencilLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL

UE - Rendering Architecture - RHI - Oct 7, 2020

Ensure happening on both Linux and Windows when using Vulkan RHI. Editor will Crash on Linux however when map TM-Hair is opened. Not a Regression, TM-Hair and Grooming feature is new to 4.26 and do ...