Some post-processing passes sample outside of the viewport when using scene capture components

UE - Rendering - Graphics Features - Nov 29, 2023

It looks like the SSAO shader does not clamp its sample space to the half view size for the two inputs "Ambient Occlusion" and "AmbientOcclusionSetup", leading to invalid data entering the edge of f ...

Potential major HLOD dynamic shadow performance issues

UE - Graphics Features - Feb 22, 2017

See https://udn.unrealengine.com/questions/336882/hlod-dynamic-shadow-issues.html . Potential major performance issues with HLOD and dynamic shadowing incorrectly drawing sub meshes. Also missing sh ...

SteamVR Stereo layers are using incorrect orientation conversion

UE - Platform - XR - Mar 6, 2019

"SteamVR stereo layers are using the wrong coordinate system conversion and are being improperly rotated. All other conversions in the SteamVR module are using the correct one, just this particular ...

Contact offset multiplier no longer working

UE - Simulation - Physics - May 10, 2019

Changes in physics code have caused rolling objects to behave differently. https://forums.unrealengine.com/development-discussion/content-creation/50364-rolling-ball-jumps-on-flat-surface Conf ...

Open Sound Control Blueprint Plugin stops working around 1 minute during play

UE - Audio - Jun 3, 2020

Messages are not received around 1 minute into playing when using OSC blueprint plugin. Test Project: [Link Removed] User workaround: https://forums.unrealengine.com/development-discussion/blu ...

AR Utilities plugin requirement missing from 5.3 documentation

Docs - Sep 25, 2023

Setting Up a New AR Project page for 5.3 is missing important information about including the AR Utilities plugin. https://docs.unrealengine.com/5.3/en-US/setting-up-a-new-ar-project-in-unreal-en ...

Child Actors should seamlessly travel with their Parents

UE - Gameplay - Components - Dec 22, 2016

When an Actor is identified to seamlessly travel, its child actors should also seamlessly travel with it (or maybe it should be an optional flag), rather than destroying and recreating on the other ...

Crash when selecting "show" > "uncompressed animation" in Persona

OLD - Anim - Jul 1, 2016

From this UDN: https://udn.unrealengine.com/questions/301289/crash-in-persona-debug-display.html Proposed solution: In UDebugSkelMeshComponent::GenSpaceBases() before PerformAnimationEvaluation() ...

Movie Render Queue renders UMG Scale Boxes incorrectly

UE - Editor - UI Systems - UMG - Apr 28, 2020

Scale boxes renders incorrectly when rendered with the Movie Render Queue. Scale box seems to work fine in a normal viewport and normal Sequence render. UDN: https://udn.unrealengine.com/questions ...

Several issues with 4.25.1 and Win 7

UE - Graphics Features - Jun 22, 2020

Users are reporting issues with the 4.25.1 hotfix and Win 7, including running cooked builds and the editor crashing: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1755531 ...