Canceling the Color Picker while modifying Curve Editor colors Moves Transforms Curves

If the user presses 'Cancel' when modifying colors using the Color Picker within the Curve Editor, the curves points are all transformed. Issue is reproducible in the below engine versions: 4.8.3 - ...

Crash with Deleted Sound Cue/Wave from Content Browser still Referencing Matinee Sound Track

Tools - May 12, 2015

Deleting a Sound Cue/wave from the Content Browser that is referenced by a Matinee actor Sound Track, and attempt to play the Matinee a crash will occur. I would expect the sound track to simply pl ...

Load level interactions are not working on mobile

UE - Editor - UI Systems - Dec 9, 2014

When using UMG to load levels on a mobile device, The first level is being loaded but nothing after the first is able to trigger any additional levels to load. ...

Using "Create Level Sequence Player" can cause the sequence to stop after 60 seconds

UE - Anim - Sequencer - Jun 23, 2016

When using "Create Level Sequence Player" to control a sequence (in this case to Play), it will stop playing at 60 seconds ...

Setting NavModifierVolume's AreaClass at runtime does not result in navmesh rebuilding

UE - AI - Apr 23, 2015

The volume does accept the change and if it gets moved the navmesh will rebuild with new area set. The core issue is that setting NavModifierVolume.AreaClass at runtime does not notify navigation sy ...

Foliage frustum cull based on incorrect bounds size

UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2016

When changing the static meshes of a Foliage instance by swapping the mesh or changing the scale (build settings) of the mesh, the bounds for the mesh do not appear to update to use the new bounds. ...

The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility

UE - Gameplay - Blueprint - Nov 21, 2015

The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility if the bubble is set to only appear when the node is hovered over. This does not occur w ...

Physics assets in blueprint react differently in sublevels

UE - Gameplay - Dec 16, 2015

Physics assets within a blueprint react improperly when placed in a sublevel. This error can clearly be seen within a user's youtube video located here: [Link Removed] Note: The fan asset attac ...

Setting location of Child Actor inside of OnConstruct causes the ChildActor to leave behind non-referenced instances

UE - Gameplay - Feb 10, 2016

If the ChildActorComponent on a mesh is attached to a component and then has its location set in the OnConstruct function, it'll leave behind non-referenced instances of itself. This is most apparen ...

Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash

UE - Gameplay - Blueprint - Jan 13, 2015

Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...