Crash after deleting Editor Utility Widget and accessing it from Window menu

Tools - Feb 25, 2019

Crash after deleting Editor Utility Widget and accessing from Window menu ...

Increment and decrement nodes return the incorrect value

UE - Gameplay - Blueprint - Jun 23, 2015

Increment and decrement nodes return the incorrect value User Description: Getting the result of the Increment Macro seems to be incrementing the variable twice. Very confusing. Is this normal? ...

Event not saved correctly when duplicating Level Sequence

UE - Anim - Sequencer - Nov 21, 2019

This issue is similar to [Link Removed]. But I tested the shelve 10164190 mentioned in the comments. It didn't work. ...

UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges.

UE - World Creation - Worldbuilding Tools - World Composition - Mar 6, 2020

UDIM textures have default Tiling Method set to Wrap but causes incorrect filtering on edges. It should be set to Clamp or Mirror by default. ...

Calling SetupAttachment/AttachToComponent with 'this' as the parent inside a USceneComponent subtype's C++ ctor for nested component subobjects will result in all instances of the nested default subobject trying to attach to the CDO at registration time.

UE - Gameplay - Nov 16, 2016

This occurs because the 'AttachParent' property is a UPROPERTY, and as a result when we create a new instance of a USceneComponent subtype, any USceneComponent subtypes it owns are treated as instan ...

GAS: RemoveReplicatedLooseGameplayTag on unadded tag causes it to be replicated

UE - Gameplay - Gameplay Ability System - Nov 17, 2022

A 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 ...

PLCrashReporter iOS Bitcode packaging Error

UE - Platform - Mobile - Mar 6, 2019

Unable to package a CPP project with Bitcode enabled Confirmed in 4.23 MAIN @ CL 5291468 ...

UWorld::GetNetMode returns incorrect value during UGameInstance::StartPlayInEditorGameInstance

UE - Networking - Jan 19, 2023

During 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 ...

FString.Mid doesn't react appropriately when given negative values for the Count variable

UE - Foundation - Core - Jul 16, 2015

If you use a 5 character string (hello) to call the Mid function and provide 0 for start, -1 for count, it'll give you the entire string. This should either return an assert or treat all negatives a ...

GPU Particle Collision causes shaking when set to bounce with low resilience.

UE - Niagara - Jul 27, 2016

A particle emitter with GPU sprites on certain settings will shake violently as they collide with the ground. This requires there to be a strong Const Acceleration module and Collision with low resi ...