Changing screen percentage while in VR Preview will change screen coords for post process shaders

UE - Platform - XR - Jan 30, 2015

If a post process volume is set to use a material shader, reducing the screen percentage while in VR Preview will shift the coordinates left/right. ...

Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero

UE - Gameplay - Feb 3, 2015

Cannot set the Rotation value of an Instance Static Mesh component if the scale is set to zero. This can be done with StaticMesh components and standard Static Meshes in the level. ...

Launch On from Windows to Linux fails with missing GLSL_430 shaders

UE - Platform - Linux - Nov 16, 2016

GLSL_430 shaders are not cooked when deploying a project from Windows to Linux using Launch On. LogPlayLevel: PLINK: [2016.11.16-18.36.22:414][ 0]LogMaterial:Error: The global shader cache fi ...

Gameplay Tag Query on Actor Component cannot be editted normally on instances

UE - Gameplay - Gameplay Ability System - May 23, 2024

A GameplayTagQuery in an ActorComponent cannot be properly edited on instances of an actor with said component. There is a workaround, but the issue makes editing Tag Queries rather annoying, doubl ...

Local class variables do not correctly populate

UE - Gameplay - Blueprint - Dec 2, 2015

Local class type variables do not correctly populate with default value information. Variables of a class type populate with default value information normally. ...

Inside a BP Interface, changing a Function output to an input will cause a compile error in the reference bp

UE - Gameplay - Blueprint - Apr 6, 2015

Inside a BP Interface, changing a Function output to an input will cause a compile error in the reference bp. [Error] "Graph named 'NewFunction_0' already exists in 'bpActor'. Another one cannot be ...

FIXIF: Using the Merge Blueprints feature crashes the editor

UE - Gameplay - Blueprint - Feb 18, 2015

Using the Merge Blueprints feature crashes the editor. This repro is for clicking between the error and warnings while merging, but the editor will generally crash if the Merge is finished or if an ...

Incorrect restitution behavior for physical material set to 1 whereby momentum is gained during the simulation

UE - Simulation - Physics - Mar 24, 2015

Setting a restitution of 1 for a ground material and a restitution of 1 for a ball that bounces on the ground should keep the ball bouncing at the same height consecutively. Over the course of time ...

Action event in the blueprint graph leads to state dirty.

UE - Gameplay - Blueprint - Aug 9, 2017

BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...

Construct object fails to assign a value when using the level blueprint - ConstructObject node issue

UE - Gameplay - Blueprint Compiler - Feb 28, 2018

https://udn.unrealengine.com/questions/419239/uk2node-genericcreateobject-compile-issue.html ...