GAS: Ability that destroys owning actor on activate causes crashes due to ABILITYLIST_SCOPE_LOCK

UE - Gameplay - Gameplay Ability System - Oct 31, 2023

A GameplayAbility that destroys its owning actor inside ActivateAbility() causes a crash, because actor destruction will modify the ability list but ActivateAbility() is called within an ABILITYLIST ...

Android Packaging fails if SDK path set in Project Settings contains a space

UE - Platform - Mobile - Jan 11, 2019

Attempting to package for Android when your SDK settings are pointing to a directory that contains spaces results in a failure. This can be worked around by moving the NVPACK folder and its contents ...

Switch on custom enum causes compilation errors after Hot Reload

UE - Foundation - Core - Sep 28, 2015

If the project is hot reloaded while a Switch on Enum is inside of a blueprint which is switching on a custom enum, the switch will become corrupted. It changes the 'selection' pin to take a Byte pa ...

FKismetCompilerUtilities::ValidateProperEndExecutionPath() was unintentionally removed from compile-time graph validation

UE - Framework - Blueprint Compiler - Oct 16, 2023

We no longer include a note/warning when an expected execution path will not be taken in a function graph due to the presence of a return node. This was inadvertently removed by the change that intr ...

Dbuffer Decals will flicker when

UE - Graphics Features - Mar 30, 2016

When applying a dbuffer decal to a surface with a small axis value for the decals size it will flicker. Attached gif to demonstrate. Reproducible in: 4.11 P8 CL-2916259 Dev-Main CL-2922677 ...

Build failing for users project with all platforms

UE - Gameplay - Blueprint - Feb 24, 2015

When attempting to package this project for a mobile device, the build with fail. I tested in main and 4.7 release and the build will always fail. Project: [Link Removed] Users log: https://ans ...

Deleted actors remain in scene outliner

Tools - Mar 14, 2015

actors that are deleted via blueprints remain in the scene outliner during PIE Regression: No (Issue was occuring in 4.6)https://answers.unrealengine.com/questions/44271/why-are-destroyed-actors-in ...

(New) Capsule does not change in viewport to reflect new values entered in details Panel

UE - Gameplay - Player Movement - Sep 3, 2015

Adding values in the details panel to a new Capsule Collision Component will not affect the Capsule in the CharacterBlueprint Viewport. *This only effects a new Capsule Collision added to a charact ...

Material Layers "swap" location instead of shift downwards.

UE - Rendering Architecture - Materials - Oct 17, 2023

Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...

[CrashReport] UE4Editor_Foliage!FMulticastDelegateBase<FWeakObjectPtr>::AddInternal() [multicastdelegatebase.h:113]

UE - World Creation - Worldbuilding Tools - Foliage - Jul 6, 2017

This is a common crash in the 4.16 release. The callstack is similar to [Link Removed], but that was fixed in 4.16.2 while this crash still occurs. Users have not provided any additional informati ...