Modifying collision shapes on a Skeletal Mesh with multiple cloth assets crashes

UE - Simulation - Physics - Character - Aug 30, 2018

For skeletal meshes with multiple cloth assets in use, modifying any of the bone's collision body setup in the physics asset causes a crash.  ...

Client PlayerState is null on joining online session

UE - Networking - Jul 31, 2015

APlayerController::ClientStartOnlineSession() checks PlayerState at the start of a game after loading a level. Due to time needed to load in, client player state may may return NULL ...

Crash in FLandscapeRenderSystem on Mobile

UE - Graphics Tools - Terrain - Landscape - Aug 4, 2021

Similar issues have already been reported here for iOS [https://udn.unrealengine.com/s/question/0D52L00004vJelTSAS/crash-ios-in-flandscaperendersystemcomputesectionperviewparameters] and here [https ...

Error when exporting OBJ unattended

UE - Editor - Content Pipeline - Import and Export - Dec 1, 2020

When doing an unattended OBJ export with python. The export will fail and give the atteched callstack. ...

Collision build of LiDAR point cloud assets at runtime does not apply

UE - Editor - Content Pipeline - Datasmith - Oct 24, 2023

Collision build at runtime for LiDAR point cloud does not apply. This applies to Editor and Standalone. If you do not allow collision builds at runtime, this module should not be available at runtim ...

Character No Longer Able to Use Nav Link After NavMesh Update

UE - AI - Feb 10, 2017

Causing a Nav Mesh update, such as by moving an actor into the NavMesh that will create a hole, seems to be breaking Nav Link Proxies by preventing characters from being able to use them. ...

Engine Scalability view distance settings are not being reflected accurately in the viewport

UE - Graphics Features - Jan 30, 2017

The foliage in the map appears to be unaffected by the changes in view distance. The scalability settings are changing the cvars to the right values but the change is not being reflected on screen ...

Gamepad continues to control editor menus during Mobile PIE session

Tools - Dec 4, 2017

When using a Gamepad, there is an issue where input from the controller continues to control editor menus during Mobile PIE session. This issue does not a appear to be a regression. Versions Tested ...

HLODs appear to be calculated individually instead of as a group

UE - World Creation - Worldbuilding Tools - HLOD - Mar 26, 2019

The way in which Hierarchical Instance Static Mesh LODs' screen size is calculated appears to have changed. ...

Loss in Specularity on Skin Shading when Shadowed by Indirect Capsule Shadows using r.sss.checkerboard 0

UE - Graphics Features - May 23, 2017

A licensee is reporting incorrect or over exaggerated loss of specularity on the Subsurface skin shading model when shadowed by indirect capsule shadows, and then modifying the r.sss.checkerboard se ...