Unreal Engine Issues
Unreal Engine Issues
Translucency area has stripe-style issue on TSR
UE - Graphics Features - Mar 28, 2024The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facing planes. ...
Outline artefact on cascade shadow transition
UE - Graphics Features - Mar 28, 2024Some pixels at the edge between cascaded shadow maps and distance field shadows can be skipped by both, leading to unshadowed pixels. Licensee reports the bug happening in 5.3 as well. Test project ...
Level sequence attachment dirtying bugs - 5.4
UE - Anim - Sequencer - Mar 28, 2024Level Sequences can mark the level they are in as modified without modifying them, as well as get themselves into a state where they modified themselves when saved. ...
GI not coming in with lighting build data when lighting built outside of main scene
UE - Graphics Features - Mar 27, 2024Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...
Nanite displacement on landscapes not rendering on 5700XT
UE - Graphics Features - Nanite - Mar 27, 2024This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...
Clustering GeometryCollections in sleep state forces them to awake
UE - Simulation - Physics - Mar 27, 2024The sleep state will be overwritten in ClusterUnionManager::UpdateAllClusterUnionProperties. Clustering using AClusterUnionActor results the same behavior as well. ...
Network Prediction Insights tool checks/crashes with trace data from a multiplayer PIE session
UE - Gameplay - Network Prediction - Mar 27, 2024Loading a trace in Insights that has Network Prediction channel data from a multi-client PIE session will hit a check and crash the Insights tool. ...
Camera Shake can apply a new post process material every tick when post process material has "Is Blendable" disabled
UE - Anim - Sequencer - Mar 26, 2024In the repro project the player camera has a post process material that slightly darkens the frame by subtracting 0.01 from the final color. When a camera animation based on a camera sequence is pla ...
Material Layers Ignore Virtual Texture Sampler Restrictions
UE - Rendering Architecture - Mar 25, 2024Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...
Assert triggering when trying to copy-paste an empty CurveAtlasRowParameter node in the material editor
UE - Rendering Architecture - Materials - Mar 25, 2024A check happens when copy/pasting a Curve Atlas Row Parameter Expression that has no value. This behavior also exists on CL 32426910 of Release-5.4. ...