Groom assets can no longer be created without curves data

UE - Graphics Features - Nov 18, 2025

It used to be possible to create an empty Groom assets without an Alembic file. However, this is no longer possible because curve data is required This workflow is useful to create grooms that onl ...

Crash when clicking on a "Two Bone IK" node

UE - Gameplay - Blueprint - Mar 5, 2015

Crash when clicking on a "Two Bone IK" node in an Animation Blueprint Crash Reporter currently down, see callstack section. Log and dmp are attached ...

Uasset causes editor to crash when opened/right clicked

UE - Gameplay - Blueprint - Oct 21, 2014

Character asset will crash the editor immediately when opened or right clicked. Crash Report: 431837 ...

HydroErosion on landscape crashes on Linux

UE - Platform - Linux - Mar 13, 2015

While on a Linux OS, the editor immediately crashes if the Hydro Erosion tool is used on a landscape. ...

Navmesh breaks after hitting build or build>paths after upgrading to 4.7.2

UE - AI - Mar 10, 2015

Navmesh breaks and repeats pattern from individual landscape section when a project is updated to 4.7.2 and then build or build paths is pressed. ...

This project crashes when one Blueprint is compiled if its child Blueprint is opened in another tab

UE - Gameplay - Blueprint - Mar 18, 2015

This project crashes when one Blueprint is compiled if its child Blueprint is opened in another tab. This only occurs with one Parent/Child combination: the crash occurs when compiling Building whil ...

Spline blueprints cause negative values in Scene Outliner until build pressed again

Tools - Nov 6, 2014

Moving a spline mesh in the viewport causes negative values to be applied in the scene outliner actor count until the level is built again. ...

Linux editor does not have a proper icon

UE - Platform - Linux - May 22, 2015

Linux editor (and other tools) have default icons instead of proper UE4 ones. ...

Template animations pop upon looping

Docs - Samples - Feb 10, 2015

The animations in the following code and blueprint templates pop upon looping SideScroller -SideScrollerRun -SideScrollerWalk SideScroller2D -RunningAnimation ThirdPerson -ThirdPersonRun -ThirdPers ...