[Feature Request] Improve the comment on the Finterp family of functions to better explain the parameters and maybe edge cases like what happens when speed is 0)

UE - Gameplay - Apr 24, 2017

Some users are finding the result of an interp speed of 0 for the FinterpTo node to be unexpected. The reasoning expressed is that if the speed is equal to 0 that there should be no change. This would ...

Stereo Paranoramic plugin capture broken

UE - Graphics Features - Apr 12, 2017

See https://udn.unrealengine.com/questions/357951/stereo-panoramic-plugin-artifacts-in-415.html Seems to be a major regression from 4.14. ...

Allow Custom Depth Writes is not rendering into depth buffer

UE - Graphics Features - Apr 16, 2018

Details can be found in this UDN thread: https://udn.unrealengine.com/questions/428104/allow-custom-depth-writes-not-rendering-into-custo.html ...

Linux - Crash when moving/turning the viewport camera in project that contains hair

UE - Graphics Features - Feb 2, 2021

I've attached the project log, crashreport, and crash info to this ticket. This issue only appears to be happening on Linux (On both Nvidia/AMD cards) and does not happen when the hair is disabled i ...

World Composition origin shifting does not account for shifting the Dynamic Directional Light shadow casting

UE - World Creation - Worldbuilding Tools - World Composition - Aug 9, 2016

Directional light does not cast dynamic shadows after origin rebasing using world composition. There is an attached project that reproduces this. To see that the shadows load primarily where the l ...

Select node causes HTML5 project to crash in browser

UE - Platform - Mobile - Nov 24, 2015

Select node causes the project to crash on HTML5. Expression (ExportMap.IsValidIndex( Index.ToExport() )) failed in D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\CoreUO ...

Dbuffer Decals will flicker when

UE - Graphics Features - Mar 30, 2016

When applying a dbuffer decal to a surface with a small axis value for the decals size it will flicker. Attached gif to demonstrate. Reproducible in: 4.11 P8 CL-2916259 Dev-Main CL-2922677 ...

World Displacement is behaving incorrectly on Landscapes

UE - LD & Modeling - Terrain - Landscape - May 21, 2015

When applying a Landscape Layer Coordinate to a Base Texture and a Displacement Map Texture, the two textures do not line up correctly on a tessellated landscape. When reproducing this I noticed in ...

Plugin code for plugins located in an AdditionalPluginDirectories directory is not being included in the project's solution

UE - Foundation - Core - Nov 3, 2017

In the 4.17 release notes, there is a note that mentions that plugins added to a directory in the AdditionalPluginDirectories list in the .uproject file would automatically get included in the gener ...

Mouse is confined to the viewport when using a break point on an event

UE - Gameplay - Blueprint Editor - Aug 22, 2016

Mouse is confined to as area the size of the viewport when using a break point on an event. ...