Altering interface outputs/inputs causes compile errors on blueprints calling interface

UE - Gameplay - Blueprint - Sep 4, 2015

If an interface is called in a blueprint and then altered, the blueprint will receive a compile error until the interface is removed and re-implemented. ...

UMG Textblock with no font drops FPS by ~30

UE - Editor - UI Systems - Feb 21, 2015

FPS drops in PIE when a widget is called that has text with no font selected. ...

Undo Delete Subcomponent/Child Actor of Blueprint while Playing Causes Crash

UE - Gameplay - Blueprint - Mar 12, 2015

The title pretty much explains it all. When creating a blueprint and using a subcomponent or child within that blueprint, deleting the child actor, and then undoing while in play, causes crash. ...

Pressing Play/Simulate on Window without Focus does not Function on Mac

UE - Platform - Apple - Jun 2, 2015

If a user attempts to 'PIE' within a window that does not currently have focus, the 'PIE' will not execute. The user provided a video on his answerhub post which illustrates the issue clearly. In ...

Setting capsule height on the Server is not replicated to the Client while the Server character is moving

UE - Networking - Jun 18, 2015

Crouching on the Server is not replicated to the Client while the Server character is moving. Reproduced in 4.7.6, 4.8.0, and Main (//depot/UE4/Promotable-CL-2591224) ...

Pawn Sensing Component is not registering sound data within hearing radius

UE - AI - Oct 30, 2014

While using a pawn sensing component in an actor, the actor will not respond to sound data that is within the radius of its hearing threshhold/LOS hearing threshold. Additional notes: This was a ...

OnComponentEndOverlap and GetOverlappingActors are not in sync

UE - Gameplay - Dec 23, 2014

GetOverlappingActors will return a value when used immediately after OnComponentEndOverlap. Putting a delay after the OnComponentEndOverlap call will result in GetOverlappingActors to return null, s ...

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone

UE - Gameplay - Blueprint - Sep 9, 2015

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone. The following error is given: Can't save ../../../../../../UnrealEn ...

uv scale of materials on hollow BSP does not persist after building geometry

UE - LD & Modeling - Modeling Tools - BSP - Mar 5, 2015

When creating a level with BSPs UV settings that are applied do not persist after building. Regression: Yes Working: CL-2386410 Broken: CL-2467323 ...

Draw HUD shows in the wrong location on Android

UE - Platform - XR - Aug 3, 2016

Event Receive Draw HUD renders in the wrong location when using GearVR. In the PIE the location is correct, but not when rendered on the device. See images for better context. This is a regressio ...