Unreal Engine Issues
Unreal Engine Issues
Variable Names with a Leading Space Cannot be Copied
UE - Gameplay - Blueprint - Nov 9, 2015If you begin a variable name with a space, attempting to copy any instances of that blueprint will prompt an error warning: "Unknown property in <BlueprintName>: <VarName> = <Value>. Found in 4.9.2 ...
Enum Variable Cannot Accept Code-Based Enums
UE - Gameplay - Blueprint - Feb 24, 2016Trying to create a variable that accepts multiple types of enums, and code-based enums are not showing up in the list. Creating a variable that stores a UEnum class does not display enums created i ...
Use Viewport's BackBuffer as Pixel Shader's input texture fails on Android
UE - Platform - Mobile - Oct 20, 2016UDK Link: link title In this project, they need to get the BackBuffer(including UMG), and use this BackBuffer to do some post-processing. So follow the code in FViewportSurfaceReader :: ResolveRende ...
Copy/Pasting Behavior Tree Nodes Reverses Decorators
UE - AI - May 20, 2016Copying and pasting behavior tree nodes reverses the order of any decorators on the node. Found in 4.11.2 binary. Reproduced in 4.12 Preview 4 binary. Regression? Yes. This does not occur in 4.10 ...
BP Construction Script doesn't print the correct Relative Location of a child component
UE - Gameplay - Mar 23, 2016BP Construction Script doesn't print the correct Relative Location of a child component User Description: Construction script ignores components changed in the map This bug prevents quite a lot o ...
Significant Performance Drop During Play While Behavior Tree is Open
UE - AI - May 18, 2016Attempting to play in editor, standalone, or VR Preview when a behavior tree that is running is open will cause a significant performance decrease. The framerate drops from ~120 to ~80 fps while the ...
Client Stutters When Interacting With Physics Objects
UE - Simulation - Physics - Jan 31, 2017Characters on the client are stuttering fairly severely when interacting with physics objects, especially when their ping is high. ...
Player Controller does not handle multiple CharacterMovement movement modes
UE - Gameplay - Blueprint - Feb 6, 2018From Bug Submission: The variable in the image I attached is unable to distinguish between multiple characters all possessed by the same player controller. So if one character has this variable set ...
Material Ambient Occlusion Does Not Work With Skylight Set to Movable
UE - Graphics Features - Jul 27, 2018Material ambient occlusion does not work with the skylight set to movable. Setting the material to allow static lighting will fix the issue until the level is reloaded. Found in 4.19 CL# 4033788, 4 ...