Unreal Engine Issues

RVT does not correctly render multiple identical Instanced Static Mesh Components

If multiple ISM components are set to render to the same RVT and they each have the same mesh/material setup, then intermittently some instances will be dropped from rendering to RVT pages. Differen ...

Actors with Child Actor Components get out of sync when undoing component transform in child Blueprint

Undoing a child actor's component transform in its Blueprint editor isn't reflected in child actor instances in the level editor. Subsequent transforms are also not propagated after the undo breaks ...

Virtual texture lightmap shows black result after level streaming.

When streaming in a level with a virtual texture light map using LoadStreamedLevel, with bShouldBlockOnLoad=false. we will see black in the lightmap. This is caused by ResourceCluster->GetAllocatedV ...

Lumen causing exposure issues when several viewports are opened

Listen to active commands in the Collab Viewer architecture project template

This was requested by SNC-Lavalin in this UDN ticket: [Link Removed] They want to listen for events for example to control point cloud clipping planes and those from the collab viewer. ...

[MetaSounds][Wave Player] - 5.1 Wave Player channel output maps differently for Vorbis than other codecs

The channel output for 5.1 Waveplayer on MetaSounds is different when Platform Default (Vorbis) codec is chosen on Windows Platform Default - L, C, R, LS, RS, LFEBink, PCM, ADPCM - L, R, C, LFE, LS ...

FCollisionProfileNameCustomization doesn't support Multiple Values

The class FcollisionProfileNameCustomization customizes the property editor for the class FcollisionProfileName. However, it does not handle the case where multiple assets/actors are being edited si ...

Metahuman Hair Physics becomes jittery when 32x Antialiasing is enabled in MRQ

Enabling 32x AntiAliasing on an MRQ causes metahuman hair physics to become twitchy in the image sequence output.  ...

LiDAR assets do not render in after relaunching the engine

LiDar point clouds are failing to render when saving and relaunching the project This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is occurring in //UE5/Release-5.3 @ CL 2600198 ...

[MetaSounds]- Attemping to copy and paste inputs between graphs can cause nodes with duplicate pins

Video example: [Link Removed] Occurs in 5.2 as well as 5.2. ...