Unreal Engine Issues
Unreal Engine Issues
Sprite collision is inaccurate
UE - Gameplay - Paper2D - Oct 31, 2014Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...
Incorrect derivative ops detection when Add node is used with Nanite Pass Switch node in material graph
UE - Graphics Features - Mar 11, 2025Plugging an Add node which adds a constant value into a Nanite Pass switch node results in derivative ops to be detected where there should be none (which show up as red in the No Derivative Ops deb ...
FIOSInputInterface::SendControllerEvents crash due to UIInterfaceOrientation call from game thread
UE - Platform - Mobile - Apr 29, 2020From [Link Removed], licensee reports We believe that querying the UIInterfaceOrientation via UIApplication on the game thread is the issue here. We have made changes to IOSInputInterface.cpp and I ...
CapsuleComponent Shape sometimes reverts to previous value after entering a new value
UE - Foundation - Core - Nov 28, 2014If you manually type in the value for Capsule Half Height, it will sometimes revert back to it's previous value upon hitting Enter. The CapsuleComponent's shape in the Blueprint's Viewport adjust to ...
[CrashReport] UE4Editor_Engine!UpdateRefToLocalMatricesInner() [skeletalrender.cpp:202]
OLD - Anim - Mar 8, 2018No user comments in the crash group ...
Closing the GPU Visualizer window on Linux causes the editor to crash
UE - Platform - Linux - Oct 21, 2015After opening the GPU Visualizer window, pressing the "X" to close the window causes the editor to crash. ...
Failure to attach component in a non-nativized child Blueprint class to an inherited component from a nativized parent Blueprint class.
UE - Gameplay - Blueprint - May 30, 2018Attachment will currently fail at runtime during load and/or construction if a component from a non-nativized child Blueprint is attached to an inherited component from a parent class that is nativi ...
Crash playing in ShooterGame
UE - Gameplay - May 15, 2017Crash occurs when playing ShooterGame in editor. I could not reproduce this issue in Main. ...
Blueprint Cannot Give Niagara CPU Access To Skeletal Meshes Added From Blueprint
UE - Niagara - Apr 4, 2019When a user tries to add a skeletal mesh component to a blueprint with a niagara system to use the skeletal mesh with that niagara system, the niagara system will stop rendering because it does not ...
GAS and single process PIE: modifiable static variables accessed by server and client
UE - Gameplay - Gameplay Ability System - Nov 16, 2022See: UAbilitySystemGlobals::HandlePreLoadMap GAS features static variables that are modified by both server and client, thus result in issues in single process PIE where they access the same memory ...