Unreal Engine Issues
Unreal Engine Issues
Up Ratio on the Gear Setup for Vehicle Movement Component does not work correctly
UE - Simulation - Physics - Sep 11, 2015When changing Up Ratio for the Gear Setup in a Wheeled Vehicle's Vehicle Movement Component, there are some weird results. At 1.0 for Gear Setup, the gear should shift once RPM is at max but it will ...
Delegation issue with copied instances of a Trigger BP that is based off of the StaticMeshActor
UE - Gameplay - Blueprint - May 13, 2015Delegation issue with copied instances of a Trigger BP that is based off of the StaticMeshActor parent class. If bp Trigger A is placed into the level and then 2 copies are made (B & C), when C i ...
Using 'Show Collision' in an execute console command node is crashing a packaged project.
UE - Graphics Features - Mar 30, 2015When packaging a project for any platform, If you have 'Show Collision' in an Execute Console Command, you will see the project crash once it is packaged. Log files from the crash have been attach ...
Anim Time Ratio Doesn't Factor In Pin Sequence
OLD - Anim - Aug 12, 2015In a transition rule, the time assessed in "Time Remaining Ratio" Node does not include/factor time from the Pin Sequence of the animation node. For instance, if the original animation is 20 frame ...
Data is not filled in for a Blueprint struct array contained within another Blueprint struct
UE - Gameplay - Blueprint - Mar 6, 2017If a Blueprint struct contains a variable that is an array of another Blueprint struct, data in a datatable based on the first struct will not be correctly filled in for the struct array. If the str ...
Screen Space Widget Component offset in Editor Viewport when using Windows Scaling
UE - Editor - UI Systems - Jul 23, 2018Using Windows scaling above 100% now causes Screen Space 3D Widgets to be offset. (Pressing F11 for fullscreen or launching will cause widget to appear in correct location) ...
[Datasmith] [Sketchup] Material maps wrong when using colors or applying materials directly to grouped object
UE - Editor - Content Pipeline - Datasmith - Exporters - Sep 30, 2019The problem occurs when a material gets added to a group inside sketchup directly instead of individual faces before grouping. The materials that are just colors are doing the same thing. This was ...
Stale VSM pages after HLOD transition
UE - Rendering - Graphics Features - Shadows - May 23, 2024Virtual Shadow Maps do not invalidate pages when HLODs replace meshes. This can lead to inconsistencies between the geometry and the shadows, which can cause artifacts as pages are invalidated. ...
Invalid Landscape Normals at component boundaries and subsections In Packaged Build
UE - Graphics Tools - Terrain - Oct 31, 2025In UE 5.6, heightmap texture compression was introduced. The original implementation did not consider duplicate pixels along subsection and shared textures (multi-component) boundaries. As a result, ...
Crash when saving after resetting Instanced array element via Property Matrix on placed actors
UE - Editor - Nov 21, 2025When an Actor Component contains an Instanced UObject array marked EditDefaultsOnly, adding a new element to the Blueprint defaults correctly updates the Blueprint and its own Property Matrix. Howev ...