Audio Capture Component Crashes When Unplugging Mic/Headset

Audio - Jun 9, 2021

Audio Capture Component does not appear to be handling external device swaps appropriately, and has a delayed crash that will occur if an in-use mic is unplugged. At a glance, it appears to involve ...

Control rig blueprint spawns with Event Graph rather than Rig Graph when 'Spawn Default Blueprint Nodes' is false

Anim - ControlRig - Jun 7, 2021

It seems that disabling the 'Spawn Default Blueprint Nodes' editor preference results in control rig blueprints being created with event graphs rather than rig graphs. It doesn't appear to be possi ...

Occasional crash when attempting to in-app purchase on Android device

Online - OSS - GooglePlay - Apr 21, 2021

App is frequently terminated with a NullPointerException when attempt to request in-app purchase. It is assumed that product information cannot be retrieved if there is no Google account logged in t ...

Nvidia Graphics Drivers cause editor menus to flicker and disappear after using the editor for an extended period of time

Rendering - Apr 16, 2021

This issue seems to be occurring on a variety of Nvidia cards. So far, I haven't seen any indication that it is affecting AMD graphics cards. The majority of the reports have indicating that the pro ...

Cross does not respond or crashes when "collide with attached children" is enabled

Simulation - Physics - Apr 13, 2021

Fatal error! Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000000 0x00007ffb09d32bb9 UE4Editor-Engine.dll!USkeletalMeshComponent::CopyClothCollisionsToChildren() [D:\ ...

Editor crashes when using decal material on Instanced Static Mesh with Raytracing

Rendering - Ray Tracing - Apr 8, 2021

This issue can occur when setting the Decal Material to Instanced Static Mesh in a Raytracing enabled project. (If there is a cache, it will not crash.) The cause is that DefaultDeferredDecalMateria ...

Incorrect AO rendering when that using SSGI.HalfRes

Rendering - Apr 6, 2021

This problem seems to have started from 4.26. Also, setting r.DiffuseIndirect.Denoiser=0 will increase the noise but invisible the rendering in problem. ...

Replace with child on subtree of the NamedSlot is broken after reloading a widget.

Tools - UMG - Apr 5, 2021

"Replace with child" does not work well with the NamedSlot widget after reloading the widget blueprint in Contents Browser. ...

Single Layer Water shader doesn't accept Realtime Raytracing Shadows

Rendering - Apr 1, 2021

This might be feature request? ...