Different Load Orders affect Shadows on Foliage & HISM

UE - World Creation - Worldbuilding Tools - Foliage - Mar 14, 2019

Different Load Orders affect Shadows on Foliage & HISM Discovered during verification of [Link Removed] Also created a Blueprint actor with a HISM and duplicated it three times and changed the mob ...

Character Movement Mode in Water Volume is affecting all clients

UE - Gameplay - Player Movement - Dec 16, 2019

Strange behavior concerning Character Movement Network Replication and a Water Physics Volume.  Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...

[CrashReport] UE4Editor_DestructibleMeshEditor!UDestructibleChunkParamsProxy::PostEditChangeProperty() [destructiblechunkparamsproxy.cpp:18]

UE - Simulation - Physics - Destruction - Sep 14, 2017

This is a somewhat common crash occurring for users in 4.17 User Descriptionsdeleted something Source Context 7 UDestructibleChunkParamsProxy::UDestructibleChunkParamsProxy(const FObjectI ...

[CrashReport] Assertion failed on Linux: SharedContext.hGLContext in OpenGLLinux.cpp

UE - Platform - Linux - Jun 16, 2017

This is a top community crash occurring on Linux. The two linked CrashGroups have nearly identical callstacks. A log file is attached. Additional information is currently unavailable. Callstack f ...

Editor becomes unresponsive when Playing Editor with 3 or more players when an Oculus is hooked up

UE - Platform - XR - Jan 4, 2018

The editor appears to freeze when PIE is set to run with 3 or more players and an Oculus is hooked up to the machine. As a note this issue occurs the second time that PIE is used. ...

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings

UE - Gameplay - Apr 16, 2015

Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings. It is still rendered in the bp viewport and in the level during play. Even if the 'bpSelf' is set to hide in g ...

Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor

UE - Simulation - Physics - Feb 20, 2018

Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor. The visualizer does show the expected rotation but the Constraint will still rotate in the same direction it was ...

Landscape with 3 layers has corrupt texture coordinates when running on iOS/Metal

UE - LD & Modeling - Terrain - Landscape - Jun 26, 2015

Landscape with 3 layers renders with corrupted texture coordinates for one of the layers when running on iOS/Metal. Disabling the LANDSCAPE_BUG_WORKAROUND shader file fix causes the problem to occu ...

Emitters at display 3.4 in Content Examples Niagara map are not rendering

UE - Niagara - Aug 16, 2019

REGRESSION: Yes, did not occur in 4.22 In the Content Examples Niagara map, the emitters at display 3.4 are not rendering when at runtime. There were some fixes for this (or a similar issue) for V ...

Migrating a project from UE5.2 to UE5.3.1, there was a difference in the navmesh generated on HISM

UE - AI - Navigation - Oct 24, 2023

HISM is generated by ConstructionScript Actor is placed on the level and navmesh is generated on top of HISM. In UE5.2, the navmesh was generated without splitting on the HISM. In UE5.3, a break occ ...