Unreal Engine Issues
Unreal Engine Issues
GetHitResultUnderCursor does not always return true with landscape collision
UE - LD & Modeling - Terrain - Landscape - Mar 13, 2015When using GetHitResultUnderCursor and pressing LMB over a landscape, there is a chance that the location chosen will return false when it should be returning true. It seems dependent on what area o ...
Crash on Event Begin Play with UMG Widget and 2 or More Players
UE - Editor - UI Systems - Feb 25, 2015A player with UMG widget created on BeginPlay works fine when hitting play with only 1 player, but if you set the number of player > 1 it will crash. User believes this is somewhere related with t ...
Saving BP is extremely slow with Japanese UI (culture=ja)
UE - Gameplay - Blueprint Editor - Dec 24, 2015Using Japanese UI(culture=ja), time of saving BP is extremely slow in comparison with English UI(culture=en). In a case of attachment project, TestBP1 and TestBP2 take about 3 minutes using Japanes ...
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. ...
Vive - Motion Controller Component - Low Latency Update Regression
UE - Platform - XR - May 22, 2019Motion Controller component attachments lag behind parent. Not happening on Oculus Rift Workaround: Set "Disable Low Latency Update" on your Motion Controller Components to 'true' User Sub ...
[Feature Request] Add a "Move Function Declaration to Parent" option for blueprint added functions
UE - Gameplay - Blueprint Editor - Mar 21, 2021Users requested the ability to move only the function declaration to a base class from blueprints instead all of the nodes inside the function. From the user: "Essentially, 95% of the time wha ...
Motion blur on player/weapons with TAA
UE - Graphics Features - May 27, 2021Looks like this can occur with motion blur off aswell, so likely it's a TAA motion vector issue. Similar issue occurs in UE5 (see [Link Removed]) ...
Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection
UE - Rendering Architecture - May 30, 2025Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection (Experimental in 5.6). The licensee describes their crash, their analysis, and a proposed fix: This crash ...
HydroErosion on landscape crashes on Linux
UE - Platform - Linux - Mar 13, 2015While on a Linux OS, the editor immediately crashes if the Hydro Erosion tool is used on a landscape. ...
Editor crashes when attempting to doubleclick static mesh in content browser
UE - Graphics Features - Jan 16, 2015Edit: Fatal error: [Link Removed] [Line: 1467] Couldn't find Shader TShadowDepthVSVertexShadowDepth_OutputDepthfalse for Material Resource M_Base_Advanced_blend! With VF=FLocalVertexFactory, Platf ...