Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled

UE - Graphics Features - Substrate - Jan 10, 2025

As per the steps to reproduce, the Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled. Leaving "Use Parameter Blending" unchecked on the ...

Live: Crash when opening a blueprint who's component was edited in VS

UE - Gameplay - Blueprint - Oct 31, 2014

Added functionality to a blueprint component through code and built the project in VS. After a hot reload, I saved the blueprint and closed the editor. Reopening the editor and the blueprint cause ...

Adding rotation to a bsp breaks extrusions

UE - LD & Modeling - Modeling Tools - BSP - Aug 24, 2015

Adding Rotation to a bsp breaks future extrusions, causing them to incorrectly render. ...

Spawning Instanced Meshes with Multiple Collisions Produces Error Log Spam

UE - Gameplay - Jun 24, 2015

Constructing instanced meshes with multiple collision components spams the output logs with error messages. ...

Stat FPS will freeze a project when packaged for shipping

UE - Foundation - Core - Mar 31, 2015

If you have an Execute Console Command node in your level blueprint with a pressed key executable node, The project will freeze if packaged for shipping when 'Stat FPS' in in the Command box. Test ...

"Activate Touch Interface" crashes the editor when set to 'None' in editor

UE - Gameplay - Input - Dec 5, 2014

If the 'Activate Touch Interface' node is called in blueprints (set to a non-'None' interface) and the current touch interface is set to 'None', the editor crashes. ...

The Child Actor Component cannot be selected in the Blueprint Editor Viewport

UE - Gameplay - Jun 8, 2015

The Child Actor Component cannot be selected in the Blueprint Editor Viewport. Selecting the Child Actor Component in the Components tab is the only way to select the component. Reproduced in 4.7.6 ...

Attach in Sequencer causes erratic translation values on Child

UE - Anim - Sequencer - May 5, 2016

Attach in Sequencer causes erratic translation values on Child ...

Upgrading Project to a New Engine Version Causes Errors When Attempting to Open Tutorial Blueprints

UE - Gameplay - Nov 11, 2015

When you create a project in version 4.8.3, and update it to either 4.10 or Main, there seem to be issues loading the Engine Content Tutorials for FeaturePacks, InstallingiTunesTutorial, and Setting ...

Calling Open Level causes editor to freeze or crash

UE - Gameplay - Jul 14, 2015

If the Open Level node is called on a persistent level Whttp://crashreporter/Crashes/Show/1838504 then the editor will freeze is the call is made through code or crash if done through blueprints. C ...