Editor Crash after Compiling Primary DataAsset

UE - Framework - Blueprint Compiler - Feb 16, 2023

After compiling a data asset blueprint, attempting to open the parent data asset will crash the editor. From licensee: This is because in FAssetEditorToolkit::InitAssetEditor() the objects in Objec ...

Reimporting static mesh doesn't respect changed lightmap settings

zComponent - Archive - May 11, 2023

Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...

Cannot connect to source control on Linux

UE - Platform - Linux - Mar 30, 2015

Pressing the "Connect to Source Control" Button on a Linux project does not open the "Source Control Login" window. Looking at the Message Log for source control it says that "Source Control is dis ...

Niagara - "Make Static" nodes do not seem to be working correctly.

UE - Rendering - Architecture - Niagara - Apr 7, 2025

When a "Make Static" node is used in a Niagara Function Script or Niagara Module Script to supply the input value for a Static Switch Selector or, a Function Parameter, or a Function Parameter Defau ...

Skeletal meshes are not simulating physics

UE - Simulation - Physics - Feb 6, 2017

Skeletal meshes do not simulate physics when playing in viewport. They are not affected by gravity, nor do they ragdoll. This doesn't occur in UE4/Main. This occurs with Immediate Mode Physics of ...

Alembic geometry cache doesn't import every frame when importing large frame ranges

OLD - Anim - Apr 13, 2017

Alembic geometry cache doesn't import every frame when importing large frame ranges. Specifically when they don't start at frame 1. [Link Removed] ...

Pose is not updating when additive is applied

OLD - Anim - Apr 14, 2017

When the user applies an additive base pose to a pose asset, the mesh does not update in viewport. This issue occurs in 4.15 and 4.16. ...

When changing Select Node index pin from boolean to int/byte options do not update

UE - Gameplay - Blueprint Editor - May 4, 2017

When changing from boolean to Integer/Byte the select nodes options are not changed to Option 0/Option 1 and instead are left as False/True ...

Crash closing a project that was packaged on Windows for Linux

Tools - May 11, 2017

This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...

Planar reflections do not work in OpenGL4

UE - Rendering - Architecture - RHI - Jul 11, 2017

This is not a regression as it occurs in 4.16.2 The test case was just recently updated to test for planar reflections so not sure if this is intended to work or not. ...