Cannot Add Torque to Skeletal Mesh

UE - Gameplay - Jan 15, 2016

When attempting to apply torque to a ragdolled skeletal mesh, nothing happens, regardless of the value used. Applying an impulse works as expected, but adding torque seems to have no effect. Found ...

Modules with Emitter Life functioning incorrectly

UE - Graphics Features - Jan 7, 2016

Setting the Emitter Time module with an emitter that is not set to loop will result in an incorrect render of the particles past the emitter duration. Emitter Duration set to 3 seconds:[Image Remov ...

CRASH: Editor Crashes When Minimum Value of X Axis Range in 1D Blendspace is not set to Zero

OLD - Anim - Nov 17, 2014

Crash Reporter: [Link Removed] In a Blend Space 1D, setting the minimum value to any variable other than zero then applying and saving results in the editor crashing. Since being labeled "fixed," ...

Attempting to build MinidumpDiagnostics with Visual Studio 2015 Update 2 results in failure

UE - Foundation - Core - Jun 7, 2016

When attempting to build the Minidump Diagnostics project from the UE4 source, it will fail if you're using Visual Studio 2015 Update 2. Please note that this does not occur in the base VS2015 or wi ...

Struct in Object class will not populate if an expose on spawn struct pin is split on "Construct Object from Class" node

UE - Gameplay - Blueprint - Jul 29, 2016

Struct in Object class will not populate if struct pin split on "Construct Object from Class" node. This does not appear to happen to other variable types. Workaround Do not split the struct pin, ...

Content Examples: Blueprints_Overview Stand 1.7 Spark particle system does not fire from coin

Docs - Samples - Jan 19, 2017

During runtime, the red coin in Stand 1.7 on the Blueprints_Overview map of Content Examples should emit a large spark particle system 5 times. While investigating, I tried disabling "Use Fixed Rel ...

Map load stalls in texture streaming code

UE - Graphics Features - Jun 13, 2017

A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...

Unimplemented Simplygon function causes empty mesh LODs and crashes

Tools - Aug 31, 2018

When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...

Mobile VR - Render Targets not working with Mobile Multi-View

UE - Platform - XR - Jun 6, 2019

Render target materials display as black on mobile VR when Mobile Multi-View is enabled. Also confirmed with LDR capture source. User also reports issues with scene depth (potentially fixed with [ ...

Using OnlineSubsystemGoogle cause ITMS-90809 warning when uploading iOS build to AppStoreConnect

UE - Online - Jan 16, 2020

Because the OnlineSubsystemGoogle for iOS use old GoogleSigninSDK(Ver4.x), when uploading the iOS build to AppStoreConnect, ITMS-90809 (using a deprecated UIWebView) will be issued. To fix this, we ...