Sound Wave Actions Menu Closes Automatically When Changed to Columns View

Tools - Dec 15, 2017

After changing the view to columns (by going through Right click < Create Dialogue < View Options < Columns) the Sound Wave Action menu will close out automatically before any options can be selecte ...

[ CATIA ] Datasmith Error importing part from CATIA v5

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 27, 2018

When importing the attached CATIAv5-file Screw.CATpart via Datasmith, The following error is recieved: LogDatasmithImport: Warning: Failed to import '../../../../../../Screw.CATPart'. Failed to cre ...

Blueprint Structure breaks when the Editor is closed and re-opened if the struct contains variables that are a Class Reference and a Soft Object Reference to a Blueprint

UE - Gameplay - Blueprint - Nov 8, 2018

A struct containing variables that are a Class Reference and Soft Object Reference to a Blueprint no longer works after the project is closed and re-opened in the Editor. If a variable of the struct ...

Renaming a folder that contains a read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync

Tools - Jan 17, 2019

Renaming a folder that contains a Read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync. This causes the original folder (which should still exist since the E ...

Most Material Instances render as the World Grid Material when placed on a Skeletal Mesh

UE - Graphics Features - Mar 10, 2021

When adding certain Material Instances to a Skeletal Mesh, the Material Instance break and renders as the World Grid Material. This persists in the project and the Material Instance cannot be used u ...

MoviePipeline: HighRes Tiling feature crashes at high resolutions

zComponent - Archive - Jan 4, 2023

If you run with -rdgimmediate -onethread you can get the callstack that indicates that MRQ is still attempting to allocate the full sized texture and not the individual tile size. ...

Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.

UE - Niagara - Mar 23, 2023

When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop.  When playback is completed by a ManualTick in t ...

[AI] Navmesh tiles on different layers get removed while streaming out in WP Dynamic Modifiers Only navmesh

UE - Runtime - Character - Feb 6, 2025

 Streaming out the navmesh and streaming the area back into the world before the GC runs causes the navmesh streamed back into the world to only have navmesh tiles on a layer with tiles that would b ...

Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled

UE - Texture - Apr 2, 2025

When running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black texture fallback, which affects correctness of rect lighting ...

Preview Meshes in Material Instances lose their association to material on close.

UE - Rendering - Architecture - Materials - Aug 13, 2015

When you assign a Preview Mesh to a Material Instance, save and close the instance, on reopening instance, the Preview Mesh will not retain connection to the Instance and will revert back to its ass ...