Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints

UE - World Creation - Worldbuilding Tools - Level Instances - Oct 27, 2022

This is not a regression. Tested in //UE5/Release-5.0 CL 20979098 Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints. Rerunning the Build > Pack Level Ac ...

[CrashReport] UE4Editor_Engine!FStaticMeshRenderData::AllocateLODResources() [staticmesh.cpp:775]

UE - Graphics Features - Apr 19, 2018

No user comments in crash group 771 void FStaticMeshRenderData::AllocateLODResources(int32 NumLODs) 772 { 773 check(LODResources.Num() == 0); 774 ***** while (LODResour ...

SetGamePaused on EventDestroyed crashes the editor on compile

UE - Gameplay - Blueprint - Apr 1, 2015

SetGamePaused on EventDestroyed crashes the editor on compile. Reproduced in 4.7.3 binary and Main (//depot/UE4/Promotable-CL-2496752) Crash Report: [Link Removed] Call Stack: UE4Editor_Engine! U ...

Niagara Ribbon Facing Mode Custom Side Vector does not work correctly

UE - Niagara - Feb 28, 2020

The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...

Normals are wrong on grouped sprites, causing issues when they are using lit materials

UE - Gameplay - Paper2D - Jul 12, 2016

The normals for each sprite in a grouped sprite component are always as if the sprites were rotated (0,0,0), which is incorrect. Each sprite should have correct normals and look the same as if it w ...

Widgets can no longer take focus after clicking somewhere other than the widget itself

UE - Editor - UI Systems - Jan 25, 2017

Widgets can no longer take focus after clicking somewhere other than the widget itself. The input mode appears to change, but does not change back when clicking widgets Notes: -This issue did not a ...

New C++ Class (actor) fails to build

UE - Foundation - Cpp Tools - Mar 8, 2022

While trying to create a C++ actor to test if it can be created with a custom Copyright notice specified in Project Settings, the Live Coding window returns a "Build failed" and error of: "ERROR: U ...

SkyLight makes level entire green on Android devices

UE - Platform - Mobile - Aug 10, 2016

https://udn.unrealengine.com/questions/305453/skylight-makes-our-level-entire-green.html Licensee was seeing this only on this device: SM-G906S Android 5.0.1 Adding glFlush call in CaptureSceneToS ...

Editor crash when Use Dynamic Material Instance is set to "True" on landscape

UE - LD & Modeling - Terrain - Landscape - Mar 23, 2018

Setting "Use Dynamic Material Instance" to true in the landscape details will cause the editor to crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. This feature is not available in 4.18.3. ...

After adding MovieSceneObjectPropertyTrack from BP or Python, clicking the pull down of the added track occurs crash

UE - Anim - Sequencer - Sep 6, 2019

When MovieSceneObjectPropertyTrack is added from BP or Python, PropertyClass of UMovieSceneObjectPropertyTrack becomes null, so it crashes with the following processing of SPropertyMenuAssetPicker : ...