PDI-DrawPoint - Zoomfactor being calculated incorrectly

UE - Graphics Features - Feb 20, 2017

A licensee has reported that the ZoomFactor variable inside of the DrawPoint function is being calculated incorrectly. It currently is calculated using the lesser of the projection matrix's horizont ...

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 ...

Fix center of mass calculations with welding.

UE - Simulation - Physics - Aug 25, 2016

Welding components uses precomputed weights for to determine center of mass for the actor. This can cause problems when users want to specify custom weights for certain components. ...

Fixing up GoogleVRHMD static analysis warning

UE - Platform - XR - Oct 31, 2016

[Line 1585] d:​\build​++ue4+release-4.14+compile​\sync​\engine​\plugins​\runtime​\googlevr​\googlevrhmd​\source​\googlevrhmd​\private​\googlevrhmdrender.cpp(42) : warning C6386: Buffer overrun while ...

Fix InstancedStaticMesh RemoveInstance invalidating indices

UE - Gameplay - Oct 26, 2016

When removing instances from an ISMC, indices / indexes returned from AddInstance will be invalidated. This can cause issues for users that want to do custom management of instances. Using something ...

SkelMeshMerge not working for meshes with >1 LOD

OLD - Anim - May 31, 2018

Reported on UDN (see Additional Info URL). Looking at code, we call USkeletalMesh::AllocateResourceForRendering for every LOD, but we should only call it once. Need to check if our SkelMeshMerge t ...

Investigate/Fix incremental component unregister

UE - Gameplay - Mar 11, 2020

Streaming a level back in before it finishes streaming out behaves undesirably. When a level is streamed out the actors/components in the level are incrementally unregistered over multiple frames. ...

Fix TSR velocity extrusion on rotating

UE - Graphics Features - Aug 3, 2023

MPCook: Fix replication of UObject::CookAdditionalFilesOverride

UE - Foundation - Data Pipeline - Cooker - Oct 19, 2023

MPCook relies on global data that is accumulated during package cooks on CookWorkers be replicated to the CookDirector. Some global data that is accumulated during package cooks is CookAdditionalFi ...

Morph Target Preview Slider Defaults to One When Entered Value is Larger Than One

OLD - Anim - Jan 2, 2018

When morph target weight value is set to a number other than 1 the slider sets it back to being a value under 1. It does not go down from the number that it was set to but instead defaults to being ...