Unreal Engine Issues
Unreal Engine Issues
When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted
UE - Gameplay - Gameplay Cameras - Feb 27, 2025When running in the Editor, actor owning a UCameraTestComponent that sets DesiredView.Rotation Pitch below -90 or over 90 will attach to the Editor Camera as if it was being piloted. The licensee re ...
Hierarchical LODs used with Precomputed Visibility cause actors to occlude that should not behind translucent materials
UE - Graphics Features - Jul 6, 2016When using Precomputed Visibility in conjunction with HLODs and translucent materials without them culling actors occluded by the translucent material. The example gif attached shows that the base ...
Generate Particle Event Blueprint node doesnt generate particles at relative "InLocation"
UE - Niagara - Apr 3, 2018The EventReceiver Spawn module doesnt seem to take in parameters from linked Particle Generated Event. When setting the location of the Blueprint node (In Location), the relative position of the Par ...
Resetting MovieSceneObjectBindingID property can't update display
UE - Anim - Sequencer - Apr 19, 2024When reset a MovieSceneObjectBindingID type property, the display of the property is not reset but keep the value before reset, until the property form is clicked. [Image Removed] ...
Initialize_AnyThread and CacheBones_AnyThread can be called multiple times on Saved Pose nodes in linked anim graphs
UE - Anim - Runtime - Jun 13, 2025Initialize_AnyThread and CacheBones_AnyThread can be called repeatedly on sub-graphs below Saved Pose nodes when they are part of a linked anim graph and the main anim graph has yet to be initialize ...
Inaccurate motion vectors when using different position binding in renderer
UE - Niagara - Rendering - Jul 27, 2023Even though the particles are not moving, and the velocity is zero, the output motion vectors are non-zero. This seems to only happen if using two sources of particle positions. ...
After breaking a level instance without Actor Folders, moving its actors between folders of the world-partition map does not work correctly
UE - World Creation - Worldbuilding Tools - World Partition - Jan 29, 2024If a standard level (without Actor Folders enabled) is added to a world-partition map (with Actor Folders enabled) as a Level Instance, and then that instance is "broken" so that its actors are inco ...
Exponential Editor Slate Performance Cost When Editing An Asset With Nested Instanced Structs
UE - Editor - Workflow Systems - Feb 20, 2024UDN Issue: [Link Removed] ...
Replicating a non-root component with simulate physics enabled causes the component to be in the wrong place on spawn, on clients.
UE - Simulation - Physics - Jan 20, 2025When a BP spawns another, if the spawned Actor has a non-root child component that is simulating physics, on clients, immediately after spawn, the child component will have the world position double ...
Internal Compiler error when calling a custom enum in a struct from a blueprint macro
UE - Gameplay - Blueprint - Aug 6, 2015If a macro is referencing a custom enum within a struct and compiled after another output pin is removed, an internal compiler error will appear and the blueprint will not compile. ...