Unreal Engine Issues
Unreal Engine Issues
Search in Blueprint can encounter a deadlock condition when the window is closed before the search finishes and an FText lookup is pending
UE - Gameplay - Blueprint Editor - Jun 19, 2024When a running search in all blueprints is closed, it may prevent an AsyncTask used to return the look up FText's from StringTables from running on the game thread, leading to a deadlock. When the ...
Pasting custom data floats from a text editor into a instanced static mesh component crashes the editor
UE - Framework - Components - Aug 5, 2024When an instanced static mesh component with a material using a PerInstanceCustomData node has its data floats pasted in, the editor crashes with an "Array index out of bounds" error. The licensee w ...
Collision Channel on Particle Systems not saving
UE - Graphics Features - Oct 21, 2014Setting the Collision Channel to anything other than World Static will reset on closing and restarting the editor. ...
Blueprint Tooltips Appear Behind Contextual Menu
Tools - Nov 30, 2015On an iMac running OSX 10.11.1 a user reports that the tooltips are appearing behind the contextual menu. *See image ...
Crash upon attempting to compile a blueprint while Git source control is active
If a user connects to source control through the Git plugin and creates a repository, when they try to compile a blueprint, they can sometimes crash ...
Blueprint nativization fails using a map type argument as Expose on Spawn
UE - Gameplay - Blueprint - Oct 2, 2020Here's a sample blueprint [Image Removed] The lack of implementation FCustomThunkTemplates::SetMapPropertyByName causes this error.#include "Kismet/BlueprintMapLibrary.h"// The fix needs this head ...
Changing Shadow Quality causes SingleLayerWater Materials to disappear
UE - Rendering - Architecture - Materials - Nov 15, 2022Regression: Tested in UE5/Release-5.0, issue is reproduceable. This issue appears to be related to the Opacity Mask of the material, as not having an Opacity Mask does not cause the material to dis ...
Bake To Control Rig on a Spawned Actor in a Subsequence with Play Range that exceeds the Subsequence causes a Crash
UE - Anim - Anim in Engine - Jun 28, 2023This is a Regression. Tested in //UE5/Release-5.1 CL23901901 Using Bake To Control Rig on a Spawned Actor in a Subsequence with Play Range that exceeds the Subsequence causes a Crash. ...
GAS: AbilitySystem.DebugAttribute crashes client when server added runtime constructed GEs
UE - Gameplay - Gameplay Ability System - Aug 8, 2023In a networked PIE session, when the server has applied a programmatically constructed GameplayEffect that has duration policy = Infinite or HasDuration, this results in a client crash when the clie ...
Enhanced input actions with Down triggers mapped to gamepad buttons can get into a bad state after viewport focus is lost
UE - Gameplay - Input - Mar 20, 2024When we have an enhanced input input action that uses a Down trigger and is mapped to a gamepad button, for example Gamepad Face Button Left, it can get into a bad state when the game is unfocused. ...