Unreal Engine Issues
Unreal Engine Issues
Engine crash from opening level bounds blueprint after project reopens
UE - Gameplay - Blueprint - Jun 2, 2017There is a crash that is occurring when a blueprint with the parent of "Level Bounds". The crash occurs when the project is closed and reopened. Opening the blueprint immediately after it was create ...
Go To Definition fails quietly for Native functions with no definitions
UE - Gameplay - Blueprint Editor - Aug 11, 2017Go To Definition fails for Set and Map Utility nodes (does not seem to affect Arrays). A warning similar to the following appears in the output log:LogSelectionDetails: Warning: NavigateToFunctionS ...
Light Propagation Volume Occlusion Intensity not working as intended
UE - Graphics Features - Oct 26, 2017Light Propagation Volume Occlusion does not affect scene as it should. The workaround in 4.17.2 is to disable DBuffer decals which will enable the Light Propagation Volume Occlusion. Occurs in 4.1 ...
ObjectScale returns a Cascade Mesh particle's XYZ scale as 1.0
UE - Niagara - May 13, 2020Sampling a Cascade Mesh Particle's scale always returns XYZ as 1.0 This is a regression from UE4/Release-4.24. This does NOT affect Niagara Mesh particles. I've attached a Cascade (left example ...
[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member
UE - Audio - MetaSounds - Jun 26, 2023Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1 UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...
Unable to play replays with custom GameNetworkProtocolVersion set at runtime
UE - Framework - Networking - Sep 20, 2023It seems that when comparing the custom versions for a replay (in the "operator<<" defined in ReplayTypes.cpp), the value retrieved from the FCurrentCustomVersions is not the value set at runtime, b ...
SKP import - Materials missing and incorrect when using Collapse all
TM - Interoperability - Sep 30, 2026Reported in SF [Link Removed] When importing a .skp model into Twinmotion 2026.2 Preview as Geoemtry, using the Collapse all mode will cause materials to be displayed incorrectly, replacing most ma ...
Stationary and Movable Skylight with reflection captures in Forward Rendering have inverted capture for geometry
UE - Graphics Features - Oct 25, 2016When using a Stationary or Movable Skylight with some reflection captures that are not using the High Quality Reflections (material setting) will have what appears to be an inverted mask for the ref ...
Widget Component Does Not Cast Shadows From Certain Lights
UE - Editor - UI Systems - Oct 19, 2016The widget component acts differently under different lighting types. For example it will cast a shadow if being lit by a directional light but won't otherwise. It also seems point lights affect t ...
Hang and log spam when making changes to a landscape material with the landscape editor open
UE - LD & Modeling - Terrain - Landscape - Jul 25, 2016Editor hangs if changes are made to the material which is currently assigned to a landscape while the landscape editor is open. Also spams "LogMaterial: 0.03 seconds spent updating 1 materials, 1 i ...