Custom Primitive Data on BP instance not taking affect while in editor

UE - Rendering - Architecture - Apr 5, 2023

Original Repo is from 4.27, however, it still happens in 5.2. This is happening because the Instance Data system does not update the field UPrimitiveComponent::CustomPrimitiveDataInternal from the d ...

ResavePackages Commandlet Consistently Crashes in 5.3 In Material PreSave

UE - Rendering - Architecture - Materials - Feb 20, 2024

Running the ResavePackages commandlet will consistently result in a crash. The callstack is here: Assertion failed: !IsRooted() [Link Removed] [Line: 265] UnrealEditor_Engine!UMaterialInterface::P ...

Example 1.3: Constraint Profiles animation not working in ContentExamples

UE - Content - Content Example - Mar 25, 2022

This bug does not occur in //UE5/Release-5.0-EarlyAccess or in Release-4.27 making it a regression.  This also occurs in //UE5/Main  ...

Upgrading project results in loss of game input

UE - Gameplay - Input - Jan 7, 2020

Upgrading a marketplace creator's project to engine version 4.23.1 and above results in loss of (previously) working functionality with game input. ProjectDownload: [Link Removed] Tested in: 4.2 ...

Control Rig function nodes cannot have their color changed in 5.3

UE - Anim - Rigging - Control Rig - Oct 5, 2023

VR preview Crashes for the Oculus Rift on 4.8 preview 3

UE - Platform - XR - May 20, 2015

If the User starts up the VR preview mode with an Oculus rift plugged in the editor will crash. ...

Layers render transparent in Material_Advanced 1.3 display in ContentExamples on HD4600

UE - Graphics Features - Nov 1, 2016

Only seen on an Intel HD4600 GPU This is a regression from 4.13 Did not occur on an Intel HD530 GPU ...

Modified a mesh used as complex collision mesh does not affect the collision in the editor

UE - Editor - Feb 17, 2020

When a user changes any properties (for calling PostEditChangeProperty ) in parent static mesh or restarting the editor, the modified mesh is applied correctly. how to reproduce: [Link Removed] ...

Wind affects cloth in scene when there is no Wind Directional Source actor placed

UE - Simulation - Physics - Character - Jun 22, 2015

If a character with a cloth simulation or a mesh with a cloth simulation is in the scene there is wind force that is being applied to the cloth. The only way to remove this is by setting a Wind Dire ...

Collision on rolling ball template floor incorrectly affects player character

Docs - Samples - May 27, 2015

In the rolling ball template, the new floor meshes cause the player character to jump when the player has not pressed any jump commands. It occurs more often if the players movement has been increas ...