Deleting a bound function from a widget sets the binding to None which causes compile to fail

UE - Editor - UI Systems - Mar 9, 2015

Deleting a bound function from a widget sets the binding to None which causes compile to fail. Deleting a bound function from a widget sets the binding to None which causes compile to fail The li ...

Re-importing JSON File Causes a Blank Editor Window Until the Asset is Reopened

UE - Editor - Content Pipeline - Import and Export - Jul 11, 2016

Re-importing a JSON file causes the asset window to be cleared out until the file is reopened in the editor. ...

Subobject instancing is broken and causes asserts when creating an instance of a blueprint class from non-CDO archetype

UE - Foundation - Core - May 13, 2015

When spawning an instance of a blueprint using an archetype that is not a class default object, child components will be attached to the template component instead of the instance. ...

Linux UI highlights when dragging the editor window

UE - Platform - Linux - Mar 2, 2016

Buttons and other UI elements of the Linux editor are highlighted when they are over the pointer's original click position. ...

Particle Lights do not honor Lighting Channel assignments

UE - Niagara - Jul 15, 2016

Particle system light's module does not use Lighting Channels. The particle system itself will accept lighting from it's assigned lighting channels but the lights spawned from the particle system, n ...

Logging in Shipping Builds on Android are not saving

UE - Platform - Mobile - Oct 17, 2016

Logs aren't being saved on Android devices, even when the source files are updated to reflect output logs. However, they were working in 4.12. iOS logs are showing up in shipping. ...

Cannot PIE; Data Table Still Being Edited

Tools - Dec 22, 2015

After making some changes to a Data Table, attempting to PIE fails and returns this error message: Cannot Play In Editor When Performing Edit MemberVar_1 operation. This occurs after closing and sav ...

Using a controller in HTML5 causes error

UE - Platform - Mobile - Mar 17, 2016

When using a controller in HTML5, the project crashes within the browser. However, this does not occur on Google Chrome. FireFox/Nightly crashes on launch on as well as packaging and running the pro ...

Spatialization no longer occurs when Non-Spatialized Radius is set above 0

UE - Audio - Sep 13, 2016

Audio spatialization no longer occurs when Non-Spatialized Radius is set above 0 in a sound actor (instance or in a sound cue). I could not reproduce this issue in UE4/Main. ...

Notifies near start of animation do not trigger when played through slots

OLD - Anim - Apr 6, 2016

Notifies near the start of an animation do not trigger when played through slots with either the PlaySlotAnimationAsDynamicMontage or with a Montage. There could be other instances of this, but the ...