Moving or changing the name of a project's GameInstance will switch the Game Instance Class to None and crash launched games

UE - Foundation - Core - Nov 26, 2014

If the GameInstance set in Project Settings > Maps & Modes > Game Instance Class is renamed or moved to another folder, the Game Instance Class is switched to None. This causes a launched game to cr ...

Interface functions inherited after a duplicated actor blueprint is reparented to the blueprint it was duplicated from cannot be deleted.

UE - Gameplay - Blueprint - Oct 16, 2015

Interface functions inherited after a duplicated actor blueprint is re-parented to the blueprint it was duplicated from cannot be deleted. Note that the inherited function can be deleted in a new ac ...

Cannot use multiple SubScene tracks

UE - Anim - Sequencer - Jun 30, 2016

Cannot use multiple SubScene tracks. When trying to add a subscene to a second subscene track, it just snaps onto the original subscene track. ...

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 ...

Changes to a Spline will reset if the Spline Component is renamed

Tools - Sep 17, 2015

Changes to a Spline will reset if the Spline Component is renamed User Description: Spline reset after rename The spline, nicely edited and long, got reset to the default after I've renamed the s ...

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 ...

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. ...

Auto-weld is Enabled even if the blueprint component is set to Simulate

UE - Simulation - Physics - Jan 4, 2017

Auto-weld is Enabled even if the blueprint component is set to Simulate. This only effects blueprint, static mesh actors in the world still disable Auto-weld if set to Simulate. This is a Regressio ...