Unreal Engine Issues
Unreal Engine Issues
Modifying a Static Mesh's "Y" Collision Rotation also modifies "X" and "Z" Rotation
UE - Gameplay - Dec 12, 2016If the user modifies the "Y" Rotation value of a Static Mesh's Collision, the "X" and "Z" values are changed. The values will move +/- 1 point from their value prior to modifying the Y value. This ...
BP - Nativized build will crash at runtime if a BP class enabled for nativization includes a ChildActorComponent with a BP not enabled for nativization set as the ChildActor class.
UE - Gameplay - Blueprint - Apr 20, 2017Note: The same crash will occur if the nativization mode is set to "Inclusive" in the Project settings and if the ChildActor BP class is a data-only Blueprint (i.e. has no script or member variables ...
bPersistentLines is not respected by DrawDebugLine
UE - Graphics Features - Nov 1, 2018It looks like the line's lifetime is forced to the default line lifetime of one second if the provided lifetime is less than zero, which would be the case if calling the function with just enough pa ...
lots of wasted Volumetric lightmap samples
UE - Graphics Features - Lumen - Jun 20, 2019Expectations: The samples should only surround the lightmass importance volumes. Imagine if we build a 8K*8K map with lightmap importance volume at the corners of the map, even using stream levels ...
Shooter Game: High Rise is rendering Red Artifacts in Reflections and AO
UE - Graphics Features - Jun 11, 2015When running Shooter Game, Highrise map, there are red artifacts rendered in the boundary areas between AO and Reflections. This is a regression from 4.7.6. In 4.7.6 - [Image Removed] In 4.8.0, Li ...
Negative Play rate in an Anim Sequence added to a Montage Causes timeline to collapse
OLD - Anim - Jan 14, 2015Adding animations with a negative play rate (playing backwards) or modifying existing animations in a montage to have a negative play rate causes the timeline in the montage to "squish" and is no lo ...
Pick Parent Class window for new blueprints does not properly list available classes on Linux
Tools - Apr 8, 2016When opening the Pick Parent Class window on Linux, the expansion arrow next to All Classes does not properly extend to show all classes. Workaround: After clicking the arrow to extend the drop dow ...
FBX Scene imports with an addition Scene Root in the Hierarchy
UE - Editor - Content Pipeline - Import and Export - Jan 9, 2020There seems to be a second Scene root being created when importing an fbx scene. Something of note is that in the scene import dialogue we only see one "RootNode" listed. This has been found to occ ...
Linked animation graph doesn't trigger anim notifications on dedicated server.
OLD - Anim - Jun 15, 2020Linked animation graph doesn't trigger anim notifications on dedicated server. There is no expected message in log: LogBlueprintUserMessages: [HitReact_AnimBP_C_0] Client 0: HitNotify IsServer: tru ...
AnimNotifyState with the same class, but different content at the same time will only one be triggred
UE - Anim - Runtime - Oct 26, 2022UDN Case : https://udn.unrealengine.com/s/question/0D54z00008G3EmwCAF/two-c-based-animnotifystate-with-the-same-class-but-different-content-at-the-same-time-will-only-one-be-triggred?fromCase=1 ...