Report of branching point notifies failing to trigger

UE - Anim - Runtime - Nov 15, 2021

The problem seems to come from a notify having its LinkedMontage set to null when RefreshBranchingPointMarkers() is called. IsBranchingPoint() fails in this case, so it's never registered as a branc ...

Setting the r.ScreenPercentageTranslucency Variable below 100 causes Texture Swimming

UE - Graphics Features - May 3, 2016

When setting the 'r.SeparateTranslucencyScreenPercentage' variable to any value other than 100, UV world space textures begin to swim. In the example project attached, I created a simple translucent ...

Read IAP information node causes hang if connection is disconnected

UE - Platform - Mobile - Jan 15, 2016

May 26 19:54:33 A6240 UE4Game[384] <Warning>: [2016.05.26-23.54.33:457][801]LogHttp:Warning: didFailWithError. Http request failed - The Internet connection appears to be offline. [Link Removed] 0x7 ...

Datasmith & mikktspace tangent cause entities to glow with lightmaps

UE - Editor - Content Pipeline - Datasmith - Exporters - Feb 22, 2019

The steps above are reduced to their simplest expression.  I appears that several customers complained about lightmap baking resulting in glowing objects.  This typically happens on interior door fr ...

Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux

UE - Rendering Architecture - RHI - Oct 28, 2019

When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux.  In Engine ...

CPU Collision is being offset on Z

UE - Graphics Features - Sep 29, 2014

DESCRIPTION: Collision's on CPU Particles are incorrectly being offset on Z by several units [Link Removed]https://answers.unrealengine.com/questions/105202/mesh-particle-collision-bug.html EDIT: ...

Compute shader TAADilateVelocity crashes on macOS

UE - Platform - Apple - Oct 14, 2021

Summary A licensee recently integrated the Oceanology 5 plugin from the marketplace and it triggered a crash on macOS/Metal.Platform The licensee is running macOS Bit Sur 11.5.2 on an AMD Radeon Pro ...

UPoseAsset::SetBasePoseName() always sets INDEX_NONE

UE - Anim - Runtime - Apr 11, 2025

UPoseAsset::SetBasePoseName() does not correctly set the BasePoseIndex when a valid pose name is provided. Regardless of input, the pose defaults back to ReferencePose. Upon inspection of the implem ...

StreamableManager does not apply CoreRedirects to loaded paths

UE - Framework - Jun 12, 2025

When loading soft object paths directly, it applies any important CoreRedirects by calling the function FixupCoreRedirects if the initial load attempt fails. In the repro steps, this will apply this ...

Stereo Mode Not Working on Certain Maps While Using the Vive

UE - Platform - XR - May 18, 2016

Two of the maps in the linked user project are not rendering in stereo while using the Vive headset. The user is experiencing gaps appearing in the scene. It may also be important to note that thi ...