Unreal Engine Issues
Unreal Engine Issues
UHT always runs when building a code project using a binary Engine installation even if no code change has been made
UE - Foundation - Cpp Tools - UnrealHeaderTool - May 2, 2019When building a code project that was created with the binary Engine installed through the Launcher, UHT always runs even if no code changes have been made. This only occurs with a binary Engine ins ...
The ConstructionScript not being called on drag
Tools - May 2, 2019The construction script for a custom actor blueprint does not execute after drag when the scene component is selected. Tested in 4.21.2 (CL - 5660361), 4.22.1 (CL - 6063286), 4.23 (CL - 6248266) ...
Level LODIndex can get stuck in a bad state
UE - World Creation - Worldbuilding Tools - World Composition - May 3, 2019If Level LOD changes to a different LOD while first is loading, LODIndex breaks. ...
Deprecated: CharacterMovementComponent::bRequestedMoveUseAcceleration
UE - Gameplay - Player Movement - May 3, 2019Licensee has brought into question the difference between NavMovementComp::bUseAccelerationForPaths Vs. CharacterMovementComponent::bRequestedMoveUseAcceleration. This led to a discussion in a Supp ...
FAnimInstanceProxy::LODLevel isn't initialized, causing UB in PreUpdate
OLD - Anim - Apr 29, 2019FAnimInstanceProxy::LODLevel isn't initialized before it is used in PreUpdate, causing UB on the first call. ...
TrackFieldData and SubSectionFieldData structs not properly being serialized during cook in the Precompiled Evaluation Template
UE - Anim - Sequencer - May 3, 2019During compile on the fly if the evaluation field is invalidated SubSectionField data will not have been properly serialized and the meta data will not be populated correctly, as the custom serializ ...
Trigger Montage Ended Event results in Unhanded Exception
OLD - Anim - May 6, 2019TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround: Add a Delay node befo ...
GetTeamAttitudeTowards is called before AI Controller can spawn and gets a null value
UE - AI - May 6, 2019Licensee is experiencing an issue where GetTeamAttitude is being called before the AI Controller's Construction event. This results in the warning "GetTeamAttitudeTowards - Pawn is null!" being outp ...
UAT output does not print to the Output Log on Linux
UE - Platform - Linux - Sep 1, 2017None of the logging that is created when packaging a project appears in the Output Log. The following output, for example, does show up in the terminal window but it does not show up in the output ...
Python commandlet crashes when spawning actors in a level
UE - Editor - Workflow Systems - May 7, 2019Using the python commandlet to spawn actors within a Map and then saving it causes a crash in the commandline. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6338849) ...