Unreal Engine Issues
Unreal Engine Issues
Renaming Parent component to same name as a component in child causes crash from child blueprint
UE - Gameplay - Blueprint - Aug 1, 2017Renaming Parent component to the same name as a component in the child blueprint causes a crash from child blueprint when you press enter. When you reopen the project from the crash, the child bluep ...
Draw debug points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports
Tools - Oct 30, 2017With the Draw debug points node, the points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports. This issue does not appear to be a regression. Versions Test ...
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 ...
Imported animations don't import correctly when using same import settings as skeletal mesh it's based off
UE - Editor - Content Pipeline - Datasmith - Importer - Jul 10, 2019When importing an animation using the same import settings as the imported skeletal mesh it is meant for part of the mesh is rotated 90 degrees around the root. The files that were used to verify th ...
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 ...
Pilot actor no longer generates undo transactions
UE - Editor - Workflow Systems - Jan 22, 2024The piloting feature in the editor viewport is not undoable with Ctrl+Z It also does not cause the actor to become dirty so any changes during piloting are lost and not saved (user also not prompted ...
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 ...
Ambient Cubemap Assignment in Post Process Volume does not work with Forward Renderer
UE - Graphics Features - Nov 8, 2016The Ambient Cubemap assignment in a Post Process Volume doesn't work when using the Forward Renderer. I want to note that Cubemap assignment in the Skylight does work. I checked this just to make s ...
Actor Not Ticking on First Streaming Level Load When Using Level Streaming Volume
UE - Gameplay - Apr 11, 2017Actor's do not appear to be ticking when a level is first loaded when using a Level Streaming Volume. The Tick event will fire on the second and subsequent attempts. Edit: After further testing, th ...
Lighting build fail due to failing to open channel for material data
UE - Graphics Features - Apr 21, 2017Licensee reports lighting build fails for their specific levels which were created in 4.14.1 then moved to 4.15.1. Workaround: Setting LogLightmassSolver verbose level to Warning can show "Warning ...