Find Materials Does Not Import Materials for Alembic or Geometry Cache File

OLD - Anim - Jun 6, 2018

Alembic file materials do not import into the editor when Find Materials is selected. -Create Materials is also not creating materials for imported ABC asset. -Asset was created in Maya 2016, unwr ...

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) ...

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. ...

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 ...

Actor Soft Reference in LevelInstance does not have a Referenced Object during PIE

UE - World Creation - Worldbuilding Tools - Level Instances - May 30, 2023

When setting an actor on a level to the SoftObjectRefence(Type:Actor) variable and outputting the object name as a PrintString, the object name cannot be correctly obtained if the set actor is place ...

Crash occurs when opening FP_Walk_Fwd in the First Person Template

UE - Anim - Runtime - Sep 12, 2023

This is a regression. Tested in //UE5/Release-5.2 CL26001984 Opening the FP_Walk_Fwd animation in the first person template results in an assertion. ...

If PVRTexToolCLI is not executable, invalid texture data is used and crash results when launching on device

UE - Platform - XR - Jul 5, 2017

Synced the code on Windows and transfered to Mac, the file PVRTexToolCLI lost its executable permission bits... UE4 couldn't run the tool, but carried on processing anyway, processing invalid textur ...

When set the current language and asset group to different languages, the asset group will not work

UE - Editor - UI Systems - Localization - Nov 22, 2020

When set the current asset group language in a particular process, the asset refers to the "source asset" and output warning log. LogPackageLocalizationCache: Warning: Skipping the cache update for ...