UMG: Crash When playing an animation with the Same Name as a Widget

UE - Editor - UI Systems - Feb 22, 2016

Editor crashes when a UMG widget (Text block, whatever) and an animation track share the same name and the animation is played. NOTE: The Editor will not allow you to name a Widget the same as an a ...

Random Stream variables in the GameMode are reset every PIE

UE - Gameplay - Blueprint - Jul 6, 2015

Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...

Full Scene Importer resets overrides when reimporting asset

UE - Editor - Content Pipeline - Import and Export - Jul 5, 2016

When using the Blueprint Hiearchy Type for creation on the Full Scene Importer if you've previously imported and set some of the settings like the Override Lightmap Resolution via the BP and then re ...

A vehicle using Async Scene on the body but not the wheels will crash the editor

UE - Gameplay - Aug 4, 2016

A vehicle using Async Scene on the body but not the wheels will crash the editor[EUS-TJ Ballard] Vehicle using Async Scene on body but not the wheels crashes the editor User Description: Async sce ...

Landscape Collision Offset with Visibility Mask

UE - Graphics Tools - Terrain - Landscape - Oct 12, 2016

Landscape Collision is offset when using the Landscape Visibility Mask. If you paint a hole within the landscape and use the Third Person Template character to walk over the holes, the character wil ...

Destructible meshes created with PhysXLabs will not cast shadows

UE - Simulation - Physics - Destruction - Jan 30, 2015

When importing destrucitble APB asset files from PhysX Labs there is no visible shadow cast for these meshes. The same is not true for a destructible created in UE4. These are using the default sett ...

Character velocity is registered while walking against physics objects and vehicles

UE - Gameplay - Jan 28, 2016

Character velocity is registered while walking against physics objects and vehicles User description: I'm trying to rely on velocity to know when an actor is moving so that i can stop the walking ...

World Override GameMode values do not save after project is closed and reopened

UE - Gameplay - Apr 17, 2015

The gamemode settings under world override do not save once the project has been saved, closed and reopened. ...

Paper2D sprite reimport changes socket position if sprite sheet changes size

UE - Gameplay - Paper2D - Feb 12, 2016

Reimporting a sprite sheet that had sockets placed on some of the individual frames will result in the sockets moving if the sprite sheet's dimensions have changed since the previous import. This wo ...

[CrashReport] Failed assert during BP compilation (trying to call a default delegate) (UE4Editor_KismetCompiler!FScriptBuilderBase::EmitFunctionCall() [kismetcompilervmbackend.cpp:1216])

UE - Gameplay - Oct 27, 2017

This is a trending crash coming out of the 4.18 release. User DescriptionsI tried to call an Event Dispatcher (which is assigned in the Level Blueprint) in the Construction Script of the Blueprint ...