Unreal Engine Issues
Unreal Engine Issues
Action event in the blueprint graph leads to state dirty.
UE - Gameplay - Blueprint - Aug 9, 2017BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...
GAS: RemoveReplicatedLooseGameplayTag on unadded tag causes it to be replicated
UE - Gameplay - Gameplay Ability System - Nov 17, 2022A UDN user found that calling AbilitySystemComponent->RemoveReplicatedLooseGameplayTag(TagToRemove); while the gameplay tag was not in the TagMap, will create an entry for it with count 0, see ...
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 ...
Crash occurs while clicking through the Landscape Overview Tutorial
Tools - Apr 28, 2017Crash occurs while progressing through the Landscape Overview tutorial, after the step "After pressing the Create Button, your level should now have a Landscape Actor inside of it" This is a regres ...
[CrashReport] Crash trying to destroy an uber graph frame because the RawPointer is still set
UE - Gameplay - Blueprint - Jul 21, 2017This is a trending crash in the 4.17 Preview. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2408 uint8 *Data = (uint8*)Dest; 2409 ...
Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false
UE - Graphics Features - Dec 21, 2017Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE. Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...
Compiler error after changing the class in a Spawn Actor from Class node, undoing with Ctrl + Z, refreshing the node, and reconnecting exposed variables
UE - Gameplay - Blueprint - May 26, 2015Compiler error after changing the class in a Spawn Actor from Class node, undoing with Ctrl + Z, refreshing the node, and reconnecting exposed variables. "Error Internal compiler error inside Creat ...
UWorld::GetNetMode returns incorrect value during UGameInstance::StartPlayInEditorGameInstance
UE - Networking - Jan 19, 2023During PIE instance initialization, there seems to be a window during which UWorld::GetNetMode will not return the expected value: before the instance's NetDriver has been created but after UGameIns ...
An Actor BP with an editable variable that references another Actor in the level will reference multiple examples of that Actor if it is duplicated
UE - Gameplay - Blueprint - Mar 13, 2015An Actor BP with an editable variable that references another Actor in the level will reference multiple examples of that Actor if it is duplicated. Reproduced in 4.7.2 binary and Main (//depot/UE4 ...
Projects are failing when Content/Pak folders are added outside of the saved folder
UE - Platform - Mobile - Oct 13, 2016When the Content/Pak file is outside of the Saved Folder, it'll crash with an internationalization error. But when the Content/Pak file is inside of the Saved folder, there is not a crash. ...