Unreal Engine Issues
Unreal Engine Issues
Crash in DX12 UpdateTexture2D
UE - Graphics Features - Jan 24, 2017RHIUpdateTexture2D uses the wrong size for the per-row memcpy, which means we can't support passing in an offset within a larger image in the SrcData pointer (doing so will result in an access viola ...
Macro input pin creates incorrect widget if the pin is named "self" and the pin type is AActor
UE - Gameplay - Blueprint Editor - Apr 27, 2020A macro input pin of type actor and name "self" will display an incorrect widget. The widget gives the impression/ visual cue that the macro is going to resolve the pin to `self`, but it's just a st ...
Lightmass crash after finished building and hitting save
UE - Foundation - Core - Mar 19, 2015User is reporting that the editor will crash after lightmass has finished building and they click to save the project. ...
MRMeshComponent has no Super call on BeginPlay
UE - Platform - XR - Feb 14, 2018The MRMeshComponent is a derived component class that should have a call to Super being made, yet there isn't one. ...
VolumetricFog does not update + creates artefacts in low exposure environments
UE - Graphics Features - Jul 26, 2022See licensee video here which shows the issue - [Link Removed] ...
RayTracing Final Gather is not working in UE 5.1
UE - Graphics Features - Ray Tracing - Apr 12, 2023Further Comments: Customer is using the deprecated ray traced mode. ...
Modulated Shadow doesn't work
UE - Platform - Mobile - Aug 7, 20204.22 is working On Mobile sometimes Modulated Shadow is useful for Cast custom color and value Shadows on Unlit objects(custom celshading for example) ...
Very thin meshes cause flickering with emissive materials.
UE - Graphics Features - May 13, 2021The licensee has reported that when you make a mesh extremely thin (e.g. z = 0.0001), it can cause emissive materials applied to the mesh to flicker. ...
When selecting actors via the Scene Outliner, changes during PIE aren't reflected until PIE ends
UE - World Creation - Worldbuilding Tools - Mar 15, 2022Selecting actors in the Scene Outliner during a PIE session results in the EditorWorld copy of the actor being selected. This means that changes to the actor's properties don't reflect during that P ...
UTextureRenderTarget2D uses TC_Default for PF_R16F instead of TC_HalfFloat
UE - Texture - Sep 27, 2024When using "ConstructTexture2D" from a render target that uses the format PF_R16F (RTF_R16F) the output texture won't retain the format and will become a four channel float texture. The texture for ...