Event Dispatcher not being called in 4.6

UE - Gameplay - Blueprint - Dec 8, 2014

ED nodes in 4.6 but are not being executed in standalone or cooked games. Also, users receive compile errors when the project is saved and reopened that resolve when the blueprint is recompiled. ...

Landscape Components No Longer Editable after Undoing Component Deletion

UE - LD & Modeling - Terrain - Landscape - Oct 20, 2015

When working in Manage Mode with Landscapes and deleting a component, if you undo the deletion, you can no longer modify or select the component. I did attempt to rebuild the scenes lighting and ge ...

Damping is handled differently at lower frame rates

UE - Gameplay - Aug 3, 2016

Damping is handled differently at lower frame rates. Slight changes in damping at lower FPS (25) drastically effects objects and isn't applied in the same way as at higher FPS (60) User Description ...

UnrealVS "Refresh Projects" fails for projects

UE - Foundation - Cpp Tools - UnrealVS - Nov 10, 2015

Using the Refresh Projects button in the UnrealVS toolbar will fail for projects because it can't find the "GenerateProjectFiles.bat" file for the specified project. Licensee reporting the issue me ...

SpeedTree Material No Longer Compiles With Texture Coordinate Node In BaseColor

UE - Graphics Features - Jan 25, 2017

If you open a material with the speedtree node plugged into WPO and then use a texture coordinate(index of 2) in base color the material will no longer compile properly. The full error is "Error [ ...

[CrashReport] ULevel::GetWorldSettings - UStaticMeshThumbnailRenderer::Draw

Tools - Oct 30, 2017

This is a common crash that has occurred since at least 4.14. The callstack is nearly identical to [Link Removed], which appears to be fixed in 4.18; and [Link Removed], which has not. The differen ...

Volumetric fog does play nice with dynamic res

UE - Graphics Features - Jan 4, 2019

Dynamic resolution dynamically changes the the size of the viewport in render targets. The thing is when the resolution changes: it is reprojecting previous frame that is stored in history render ta ...

Crash: Unhandled exception UE4Editor_Renderer!FMobileBasePassMeshProcessor::Process

UE - Graphics Features - Mar 14, 2019

HUD can cause a crash when used with Mobile. "When running from visual studio exception happens here: https://github.com/EpicGames/UnrealEngine/blob/4.22/Engine/Source/Runtime/Renderer/Private/Mobi ...

Actor being moved via sequencer has inherited velocity that ignores play rate scale

UE - Anim - Sequencer - Nov 8, 2019

When an actor that can be stood on and jumped off of is moved in a sequencer it's inherited velocity doesn't scale with the Sequence play rate. If you jump in the opposite direction the cube is goin ...

HTML5 not pulling all data from BaseHTMLDeviceProfiles.ini

UE - Platform - Mobile - Nov 14, 2019

4.24 platform extension isn't properly pulling the device profile data from the engine. Or at least, it isn't populating it in the Device Profiles editor windows. [Link Removed] There should be a ...