Input Bindings losing rename information after re-opening project

If an input binding is renamed and the editor closed and re-opened, the input binding will revert to it's original name. ...

Event Trace Log prints node actions multiple times

UE - Gameplay - Blueprint - Jun 10, 2015

If a blueprint has a breakpoint on a node and that node is utilized in PIE, the Event Trace in the Debug Log window will register each action taken by the blueprint multiple times. ...

Full Scene Importer Blueprint will only set as Movable Components

UE - Editor - Content Pipeline - Import and Export - Jun 22, 2016

When importing a full scene using the Full Scene Importer and having it create a Blueprint actor that will set it's default mobility to static. Even unchecking the Import as Dynamic option will not ...

Scroll bar on Project Settings - Collision menu behaves strangely.

UE - Editor - UI Systems - Slate - Jun 1, 2015

The scroll bar in the Engine - Collision menu in Project Settings doesn't appear when it first should, and when it does, it resizes and moves oddly. Edit MattK: variable length widgets inside of a ...

Sample game headers aren't set up in an extensible way

Docs - Samples - Mar 30, 2015

Our sample games all seem to use the semi-deprecated Classes folder for their headers, and many of these headers omit a #pragma once (or other header guard). This means that they don't play nicely ...

Viewport Flickers when opening a Blueprint and Setting it as a Docked Tab on El Capitan

UE - Platform - Apple - Apr 4, 2016

When docking a blueprint as a tab in the main viewport the sprites and other actors placed in the default scene (including player start) begin to flicker. This flicker persists until you close and ...

Color Picker changes Hex Value when manually entered

Tools - Aug 22, 2014

In the Material Instance, the color picker will change the color when typing in the Hex Value. IMPACT:                   Incorrect color selection through manual Hex Code input WORKAROUND: Do not ...

Bitfield Bools in a struct and AnimBlueprint transitions not working together

UE - Gameplay - Blueprint - Apr 12, 2016

USTRUCT(BlueprintType) struct FTestStruct { GENERATED_USTRUCT_BODY() UPROPERTY(BlueprintReadWrite) uint32 ValueC : 1 ; UPROPERTY(BlueprintReadWrite) uint32 ValueD : 1 ; }; A ...

InstancedStaticMesh instances fail to render on a mobile device

UE - Graphics Features - Nov 13, 2014

When a project with an InstancedStaticMesh is used in a level, the static mesh is failing to render on a mobile device Tested on a nexus 5 and an iPad air OS 8.1 ...

Delete Unused Variables deletes variables used in Child Blueprints

UE - Gameplay - Blueprint - Dec 30, 2014

[NickW] Should perform a search in children, at least warn if this will break children. — Delete Unused Variables deletes variables used in Child Blueprints. Note: Not only child blueprints. If ...