Unreal Engine Issues
Unreal Engine Issues
Bloom artifact showing in splitscreen settings
UE - Graphics Features - Jan 15, 2015There is a bloom artifact at the top of the bottom player's screen. ...
Get Instances Overlap returns overlap outside of collision bounds
OLD - Anim - May 17, 2017Get Instances Overlap returns overlap outside of the collision bounds. This effects the Instanced Overlapping Box and Sphere. It is also reproducible with engine assets replacing the Fencing mesh. ...
Crash when changing r.MaterialQualityLevel when FastGeo plugin enabled in cooked build
UE - World Creation - Worldbuilding Tools - Sep 5, 2025The engine crashes when the r.MaterialQualityLevel is changed in a cooked game that uses the FastGeo Streaming Plugin. The crash doesn't repro with the same steps in Editor, just in a cooked build. ...
Subtracting .2 from a float produces a floating point error
UE - Gameplay - Blueprint - Feb 1, 2016Subtracting .2 from a float seems to produce a float error, registering incorrect values during if checks. ...
Collapsed Nodes do not have execution pins highlight during use
UE - Gameplay - Blueprint - Jan 16, 2015When nodes are collapsed in editor, the execution pins to the nodes do not light up to show their use. ...
Duplicated Parameters in a MPC cannot be used always return source results
UE - Rendering Architecture - Materials - Jun 15, 2015When you duplicate a Parameter in a Material Parameter Collection instead of adding a new Parameter, the duplicated parameter always returns the same results as the source no matter the value entere ...
Struct Default Values not registering in user generated structs
UE - Gameplay - Blueprint - Jun 15, 2016Arrays of structs do not register default values when the array is resized. Regression (no) issue (does) occur in 4.11.2 ...
Root component doesn't scale appropriately when defer spawning in C++
UE - Gameplay - Components - Feb 12, 2018Whenever defer spawning is used from the GameplayStatics library it is supposed change it's transform properties based on what is passed in as a parameter. Despite this, it seems the newly created a ...
Some debug modes do not work in PIE
UE - Platform - Mobile - Jan 9, 2024It looks like the output of the debug pass is ignored, and the final output from the last frame before the pass was enabled is displayed instead. If the pass is modified to return a different textu ...
Stacked Material Nodes become difficult to read
UE - Rendering Architecture - Materials - May 13, 2015Material Nodes, particularly Constant Vector 3s and Texture Samples, become difficult to read when users overlay them like stacked cards. [Image Removed] Also reproduced in Main Promotable-CL-2548 ...