Unreal Engine Issues
Unreal Engine Issues
Reset to Default and Pasting can change the transform of an actor with locked movement
Tools - Jan 9, 2017Using the Reset To Default option for any of the transform values as well as the Paste command for the Scale values on an actor can still change the values when an actor's "Lock Actor Movement" sett ...
Mouse control is not obtained when clicking on a game's title bar from another app
Tools - Jan 18, 2017A licensee has reported that gaining focus of a UE4 game window by clicking the window's title bar results in the game only receiving keyboard input and no mouse input until you also click in the ga ...
UObjectLibary::RemoveObject removes from the wrong array
UE - Gameplay - Jan 26, 2017The UObjectLibrary::RemoveObject function has mixed up logic inside of it that causes it to remove objects from the incorrect array. It currently removes from the Objects array if bUseWeakReferences ...
Is Fullscreen Mode Dirty always returns true for Windowed Fullscreen
Tools - Feb 27, 2017Is FullscreenMode Dirty is meant to track if the Fullscreen mode has changed from what it is currently set to. This does not function correctly for Windowed Fullscreen and always prints true even if ...
iOS App Store ITMS-90809: Deprecated API Usage from UIWebView APIs
UE - Online - Sep 19, 2019Users are receiving "ITMS-90809: Deprecated API Usage - Apple will stop accepting submissions of apps that use UIWebView APIs . See [Link Removed] for more information. " issue when submitting apps. ...
Adding a camera cut track through sequencer scripting does not set the movie scene's camera cut track
UE - Anim - Sequencer - Mar 13, 2020When adding a camera cut track through sequencer scripting there is no way to set the camera cut track on the movie scene, which is how the add track menu determines if a new one can be added. This ...
BlackboardComponent observer can be called for the wrong key
UE - AI - BehaviorTree - Feb 7, 2023We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...
TranslucentVolumeAmbient is darkened in InjectTranslucencyLightingVolume pass when using VSMs with r.Shadow.Virtual.ForceOnlyVirtualShadowMaps is Off
UE - Graphics Features - Shadows - Nov 18, 2024CSM targets are still created and affect the InjectTranslucencyLightingVolume pass when moving in a project that only uses VSM causing over brightening of fog planes and other translucent meshes. r ...
Compiling any material in UE 5.5.1 without ShaderCompiler JobCache results in a crash
UE - Rendering Architecture - Shaders - Jan 15, 2025Compiling any material with r.ShaderCompiler.JobCache=0 causes ShaderCompileWorker to crash. Reproduction steps cause a crash during Editor startup, but this bug may affect other scenarios where mat ...
Popping Ribbon UVs
UE - Niagara - Mar 10, 2025Please see the Additional Link for related UDN information. The UV popping described can be subtle, depending on settings; it's affected by spawn rate and GPU vs CPU. The popping shown in the gif t ...