Unreal Engine Issues
Unreal Engine Issues
Missing binding object for component track in level sequence
UE - Anim - Sequencer - Mar 13, 2025This issue occurs when clicking on the Rebind Possesable References action in a Level Sequence editor. The component reference appears missing and won't work anymore. It is worth noting that when ...
Specular errors rendering in Highlight
UE - Graphics Features - Sep 21, 2015On certain assets, specular element is showing lines on an asset. [Image Removed] I have attached a Maya and FBX file of an asset which demonstrates this issue. ...
Warning in the Output Log when Switching a Local Variable from Struct to Enum
UE - Gameplay - Blueprint - Mar 14, 2016Warning in the output log when switching a local variable from struct to Enum ...
Crash undoing "replace actor with" when replaced object constructs child actors
UE - Gameplay - Oct 10, 2016The problem seems to be that the construction scripts doubled up all the BlueprintCreatedComponents, so there are now 2 scene components(actually the same one duplicated) and now 2 child actor compo ...
Web Browser: No Transparency in 3D Widget Component on Mobile
UE - Platform - Mobile - Jul 6, 2018Transparency is not being applied to web browser inside of 3d widget on android. Tested with Samsung Galaxy S5 4.19.2 CL 4033788 4.20p5 4173640 4.21 CL 4179794 ...
Ray traced shadows appear even after the mesh is hidden
UE - Graphics Features - Lumen - Oct 13, 2020bCastHiddenShadow flag in UPrimitiveComponent doesn't affect ray tracing shadows ...
UDataTableFunctionLibrary::AddDataTableRow() fails for blueprint-defined row structure types
UE - Framework - Blueprint - Feb 2, 2024The editor-scripting blueprint node "Add Data Table Row" fails when the Data Table uses a Row Structure that was defined in blueprint. Internally, it checks if the passed-in UScriptStruct is derived ...
Strange results with HeightToNormalSmooth on Nanite meshes
UE - Rendering Architecture - Jun 3, 2024This appears to also occur on meshes that aren't set to Enable Nanite at all. [Image Removed] ...
Level sequence updates more than once per frame when content editors are open
UE - Anim - Sequencer - May 27, 2016When content editors are open, they cause sequencer to be updated more than once per frame. This causes animations running in PIE to play faster than expected. Licensee provides code for a potential ...
Depth of Field Blur on Cinematic Camera Not Working Before Focal Point
UE - Graphics Features - Nov 1, 2017The depth of field blur when viewing through a cinematic camera no longer blurs between the camera and the point of focus. This is a regression; it was working as intended in 4.17. ...