Checkboxes appearing with hidden EditCondition variables

Tools - Jun 12, 2017

When a public uproperty variable has the meta specifier EditCondition set to respond to a private boolean, a checkbox appears next to the public variable in blueprints. While the checkbox accurately ...

Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool

UE - Graphics Features - Jun 13, 2017

A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...

bLiveTexture is ignored in StereoLayerComponent of SteamVR

UE - Platform - XR - Jun 13, 2017

Workaround is to remove the call to GetStereoLayersDirty in FSteamVRHMD::UpdateLayerTextures() ...

Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"

UE - Editor - UI Systems - Jun 19, 2017

When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...

Destructible mesh traces fail after switching collision response

UE - Simulation - Physics - Destruction - Jun 15, 2017

User reported issue on UDN, steps above and project attached. ...

Scroll box bar cannot be dragged when used in a widget component

UE - Editor - UI Systems - Jun 23, 2017

The Scroll box cannot be scrolled by clicking and dragging the scroll bar when used as a widget component. ...

Building development version on Linux fails due to iOS folder structure

UE - Platform - Linux - Jun 26, 2017

In the default Linux folder configuration, Engine/Source/Runtime/Core/Public contains two folders, iOS and IOS. The iOS folder contains the files IOSCriticalSection.h and IOSCriticalSection.h while ...

Fill tool does not work on BSP

UE - World Creation - Worldbuilding Tools - Foliage - Mar 6, 2013

 The fill bucket tool under foliage does not work with BSP surfaces. ...

Crash from pausing an UMG animation using the event track

UE - Anim - Sequencer - Jun 27, 2017

When pausing a widget animation by using an event using the event track to pause the animation the editor crashes when you play the animation via PIE or standalone. Tested in 4.15.3 - CL 3450819 4. ...