Unreal Engine Issues
Unreal Engine Issues
Mesh reduction crash with asset imported using FBX Scene Importer
UE - Graphics Features - Nov 30, 2016The editor will crash when using Mesh Reduction on an asset imported using the FBX Scene Import options. This same asset will not crash the editor if it has been imported using the normal Import opt ...
'Wait for Movies to Complete' flag is Reversed in Packaged and Standalone Game
Tools - Jan 20, 2017The 'Wait for Movies to Complete' flag has had its behavior reversed. Previously when you had the flag set to true, it would wait for any intro movies to complete before loading the level. Now it se ...
Main Frame Window grows by 10x10 pixels upon each restart of the Editor
Tools - Feb 17, 2017With each relaunch of the Editor, the Main Frame Window grows by 10x10 pixels. The editor viewport, in turn, grows by a few pixels in response to that. See attached three images: Window1, Window2, ...
Static meshes with auto-generated LODs can no longer share lightmaps between LODs
UE - Graphics Features - Feb 21, 2017User report: With 4.15 using only auto generated LOD's static mesh LOD levels can't share computed lightmaps anymore. This cause severe memory increase and it's making lightmass build times way slow ...
Re-Importing a Static Mesh Removes All Sockets
Tools - Mar 9, 2017Re-importing a static mesh results in all currently applied sockets being removed from the static mesh in the Editor. Workaround: Setting the sockets up in the Native 3D editing software followin ...
Output Pins Not deleting on DoOnce MultiInput
UE - Gameplay - Blueprint - Apr 13, 2017When using the DoOnce MultiInput node in blueprints, deleting a newly added pin on the input side will not delete its corresponding output pin. Adding a new pin after that will create the result lik ...
References stored in deleted UProperties stick around in a Blueprint Class
UE - Gameplay - Blueprint - Apr 25, 2017If a UProperty that stores a reference to an asset is deleted, the reference to that asset lingers in any Blueprints that had a reference stored in that UProperty. This can lead to issues when the r ...
CCD can produce incorrect results at low frame rates
UE - Simulation - Physics - Feb 27, 2019The attached project has a fixed frame rate of 30fps with a simulating CCD cube above a with a full restitution floor. The cube has an odd rotation, such that it impacts the floor at a single point ...
Undo and ConstructionScript break the AttachChildren array
UE - Gameplay - Components - Nov 14, 2019Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...
Planar Reflection with Exponential Height Fog flickers on iOS
UE - Platform - Mobile - Oct 28, 2016Planar Reflections have noticeable gaps in the reflection of the exponential height fog for the scene that will flicker as the camera moves. Attached ipa link and test project. [Link Removed] Te ...