Comments on Blueprint Interfaces can´t be moved/deleted

UE - Gameplay - Blueprint Editor - Apr 1, 2019

When a comment box is added in a Interface blueprint, it cannot be moved or deleted. ...

Simulated Proxies using UCharacterMovementComponent slide around after moving

UE - Gameplay - Player Movement - May 15, 2019

UCharacterMovementComponent::SimulateMovement line 1729 checks: if (!bHandledNetUpdate || !bNetworkSkipProxyPredictionOnNetUpdate || !CharacterMovementCVars::NetEnableSkipProxyPredictionOnNetUpdate) ...

Color obtained in Retainer Box differs from color visible in material preview when set by Vector Parameter

UE - Graphics Features - Aug 12, 2019

Color set by Vector Parameters in a material differs in preview from color obtained in retainer box. Obtained color does not match either sRGB or Linear values of color visible in material preview. ...

Blueprint Functions Aren't Listed in the Profiler Tool

UE - Foundation - Core - Sep 19, 2019

Blueprint functions aren't showing up in the Profiler Tool. Found in 4.23.0 CL#8386587 Reproduced in 4.24.0 Main CL#8781358 ...

FBX Scene imports with an addition Scene Root in the Hierarchy

UE - Editor - Content Pipeline - Import and Export - Jan 9, 2020

There seems to be a second Scene root being created when importing an fbx scene. Something of note is that in the scene import dialogue we only see one "RootNode" listed. This has been found to occ ...

Clion isn't recognized on Linux

UE - Platform - Linux - May 4, 2020

Setting CLion as the default IDE causes Unreal to not recognize it as a compiler. You are unable to compile C++ projects or create new ones with it set this way. This was reported and tested in 4. ...

UIScaleCurve float-point value in BaseEngine.ini lacks precision

UE - Editor - UI Systems - Slate - Jun 4, 2020

The screenshots below display 1920x1080pixel widget button. First one with Default DPIScaleCurve shows extra borders on the right and bottom. Next one with more precision shows no extra boundary. [ ...

STAT_AI_BehaviorTree_InstanceMemory is sometimes wildly inaccurate

UE - AI - Jun 10, 2020

From the UDN thread: Turns out this is caused by the way this stat was implemented for the FBehaviorTreeInstance struct: 1) You call IncMemoryStats on construct, before the struct is populated with ...

Crash editor when many sequencers are opened continuously

UE - Graphics Features - Dec 3, 2020

Get crashed in editor when opening many sequencers using the EditorUtilityWidget,. It's not in UE4.25.3, but it crashes in UE4.25.4. And it only occurs when NVIDIA Aftermath (r.GPUCrashDebugging=1) ...

AnimNotifyState with the same class, but different content at the same time will only one be triggred

UE - Anim - Runtime - Oct 26, 2022

UDN Case : https://udn.unrealengine.com/s/question/0D54z00008G3EmwCAF/two-c-based-animnotifystate-with-the-same-class-but-different-content-at-the-same-time-will-only-one-be-triggred?fromCase=1 ...