Unreal Engine Issues
Unreal Engine Issues
Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph
UE - Rendering Architecture - Materials - Jun 6, 2022This is a regression testing in //UE4/Release-5.0 CL#18319896 Assertion thrown when selecting the Input Preview arrow within a collapsed node within the Material Graph. ...
bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping
UE - Gameplay - Input - Jun 16, 2022This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well. I'll update the repro s ...
Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function
UE - Framework - Blueprint - Oct 26, 2022This is not a regression tested in //UE5/Release-5.0 CL22491701 Collapsing an Event with 1 connected node and 1 unconnected node to a function results in Both nodes being connected in the function ...
Collab Viewer Template menu does not function properly in VR Preview
UE - Platform - XR - Dec 9, 2022Regression: Tested this issue in Release-5.0, this issue did not occur so regression is yes There are chances that the menu will disappear as if functioning properly, but it locks out all control f ...
shared texture sampler doesn't work in mobile
UE - Platform - Mobile - Jan 5, 2023In mobile preview or android device in 5.1 release, M_SharedTexture_Inst material does not render properly due to exceeded sampler slot limit. there was no problem in 5.0.3 ...
Cannot Delete Landscape with World Partition enabled
UE - Graphics Tools - Terrain - Landscape - Jan 12, 2023If you delete all the LandscapeStreamingProxies under the landscape object the parent landscape object can be deleted. Not a regression checked in Version: 5.1.0-23058290+++UE5+Release-5.1 ...
Water body constructor dirties actor
UE - Graphics Tools - Terrain - Water - May 29, 2024Modify gets called from AWaterBody constructor: WaterSplineMetadata->Reset(3); WaterSplineMetadata->AddPoint(0.0f); WaterSplineMetadata->AddPoint(1.0f); WaterSplineMetadata->AddPoint ...
Decals are corrupted when VRS is enabled on some console platforms, and possibly PC
UE - Platform - Console - Rendering - Oct 1, 2024Blocky artifacts and flickering are sometimes visible when using VRS and decals. Setting r.VRS.Decals=0 removes the flickering. See Additional Info URL for details. ...
Copy-pasting custom property nodes (ControRig etc.) results in invalid bindings, perf issues
UE - Anim - Rigging - Control Rig - Jul 28, 2025From this UDN: [Link Removed] Suggested fix:Override PostPasteNode to perform the GUID update andAdd validation on load to strip 'invalid' copies that do not correspond to a valid pin input ...
[MetaSounds] - Trigger on Threshold node Crashes editor on play when using literal value for threshold
UE - Audio - MetaSounds - Mar 15, 2022Editor crashes when Trigger on Threshold node is hooked up in a Metasound graph and played using a threshold value defined on the node. If you use an Input node for the Threshold value, the crash do ...