Unreal Engine Issues
Unreal Engine Issues
LineTraceSingleByChannel does not correctly use the collision response set for the channel being traced on
UE - Simulation - Physics - Nov 28, 2017There appears to be an issue with how raycasts are performed within PxScene. When performing the trace, only the collision response for the first ECollisionChannel seems to be considered. If all col ...
Adding a track for LayerData.Offset to UMG Animation throws an Ensure
UE - Anim - Sequencer - Mar 14, 2022Adding a track for LayerData.Offset throws an ensure that states "No default blender class specified on property, and no custom blender specified on entities. Falling back to float blender." This do ...
Naming CustomEvent string Input "DisplayName" breaks Blueprint Node
UE - Gameplay - Blueprint Editor - Jan 4, 2018Naming a custom event string input DisplayName will cause the BP Node spawner to use blank or user-entered data for node listing+creation. Additional Notes: This also occurs when renaming the Text ...
There's no motion blur on streaming GeometryCache
UE - Editor - Content Pipeline - Datasmith - Sep 28, 2021UDN customer mentioned: "there looks to be support for motion vectors as exported from DCC apps (for rare cases like fluid sim), but regular in-engine motion vector calculation for regular motion bl ...
Components tree is ending up with duplicate entries (same pointer added to the list view more than once), causing an assert
UE - Gameplay - Blueprint Editor - Jul 19, 2017This is a common crash affecting users in 4.15 and 4.16. Over 200 unique users have been affected. User DescriptionsCamera Component Drag Drop Error 카메라 컴포넌트를 이벤트 그래프에 드래그 하는 도중 에러 발생 Creating a ne ...
ResavePackagesCommandlet needs to handle resaving ExternalActors for -FixupRedirectors
UE - World Creation - Worldbuilding Tools - Dec 19, 2023ResavePackagesCommandlet -fixupredirects fails to fixup pointers from external actors that are pointing to objectredirectors. It fails to fixup those pointers because we specifically skip loading of ...
[AI] EQS incorrectly sorts when auto-sort in single-item mode when there is only one filtering and one scoring test.
UE - AI - EQS - Dec 14, 2021EQS places a cheap filter as the last step of a query when using auto-sort for single item results if there is only one filter. Found via [Link Removed] which is quoted below:Environmental Query sys ...
Bloated instruction counts in the material editor causing long compiles
UE - Graphics Features - Apr 17, 2019artists are dealing with greatly increased iteration times due to long shader compiles when working in the material editor. This has regressed over time as we add more features to the point were wor ...
Default collision profile is effected by previously set profiles
UE - Simulation - Physics - Oct 3, 2018During play: Switching from a defined collision profile to the default profile results in default behaving as the previous profile. Switching from this to the custom collision profile results in ...
UFE Deploying and launching a packaged build on Linux fails due to invalid directory
UE - Platform - Linux - Dec 22, 2016Deploying and launching a packaged project, using a Custom Launch Profile that is set to copy the project to a repository, fails due to a missing /. I do not see this issue when running a Quick Lau ...