Unreal Engine Issues
Unreal Engine Issues
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 ...
SunTemple crash on load on some iOS devices
UE - Platform - Mobile - Jun 8, 2018This does not occur when attempting to repro using a template code project; testing on the same device. This crash occurred on an iPhone 6, v11.4 (A8) It did not occur on an iPhone X, v11.4 (A11 B ...
Compiling after copy/pasting Event Tick with references into function crashes editor
UE - Gameplay - Blueprint - Aug 29, 2016When pasting nodes with references to an event tick into a function then compiling the editor will crash. Regression from 4.12.5 Binary CL-3039270 Edit - TravisL: I was able to repro this crash o ...
Translucent Dbuffer Decals not Rendering in Material Editor Preview Window
UE - Rendering Architecture - Materials - Sep 30, 2016Dbuffer decals with a Translucent Blend Mode are not rendering in the preview window of the Material Editor. Note I noticed the Default Blend Mode for Dbuffer Decals is set to Translucent now inste ...
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 ...
Actor Components Tick Automatically with Auto Activate Set to False
UE - Gameplay - Oct 17, 2016Actor Components with Auto Activate set to false are still ticking. If you activate the component on begin play, set a short delay, and then deactivate it, the ticking will stop, which is inconsis ...
Editor freezes when using multiple Post Process Volumes with Cubemaps assigned
UE - Graphics Features - Jun 13, 2016When using a cubemaps assigned to a Post Process Volume and loading the level the editor will freeze if it's been a project converted from 4.11 to 4.12/4/13. In some instances if the camera is outsi ...
Actor Position Node Returns Parent Position Not Actor With Material Applied
UE - Graphics Features - Feb 9, 2017The actor position node normally returns the position of the actor with with material applied in world space. As of 4.14 it will return the parent's position rather than the child actor's position t ...
Capsule Indirect Lighting with ILCQ Volume breaks on Skeletal Meshes when making Sublevel visible not in the current Camera Frustum
UE - Graphics Features - Apr 12, 2017When using Capsule Indirect Shadows for Skeletal meshes who have their ILCQ set to Volume, and loading a SubLevel with it's actors not within the current camera's view, the indirect lighting is blac ...
material clamps with Panner for HTML5 when texture size is not power of two
UE - Platform - Mobile - Apr 25, 2017When launching for HTML 5 and using a texture or image that is not a power of two in size the texture does not pan correctly, instead of panning as expected, the material clamps and will remain that ...