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 ...

Values are not copied for a EnumArray that is part of an exposed Struct Variable

UE - Gameplay - Blueprint - Jun 21, 2016

Values are not copied for a EnumArray that is part of an exposed Struct Variable; when copying from the Details panel to a copy of the same actor. User Description: If you make an array of custom ...

'Render static' flag crashes editor in OpenGL ES3.1 shader complexity view mode

UE - Platform - Mobile - Mar 19, 2020

https://udn.unrealengine.com/questions/563316/render-static-flag-crashes-editor-in-opengl-es31-s.html ...

Cull Distance Volumes do not effect Blueprints or Skeletal Mesh Actors

UE - Graphics Features - Jul 31, 2014

CHANGELIST: 2181118 BRANCH: UE4 https://udn.unrealengine.com/questions/166371/cull-distance-volume-bug.html DESCRIPTION: Cull distance volumes don't seem to cull blueprints or meshes inside a bluep ...

The 'Add Movement Input' node no longer functions on a Default Pawn

UE - Gameplay - Apr 1, 2015

The 'Add Movement Input' node no longer functions on a Default Pawn. This worked in 4.5.1 & 4.6.1. ...

Failed to compile C++ Code project, for iOS/tvOS in Development, in Xcode 8.3 beta 1

UE - Platform - Mobile - Jan 31, 2017

Project fails to build for iOS/tvOS due to:error: non-portable path to file errors. ...

Regression: Asset Action Utility "Supported Classes" setting is not working correctly when "IsActionForBlueprints" is true

UE - Editor - Workflow Systems - Aug 16, 2024

When creating an Editor Utility Blueprint derived from "Asset Action Utility", UE allows the user to override function "IsActionForBlueprints". When it returns true, the "Supported Classes" setting ...

Multiple Post Processing displays are not working in Content Examples - Post Processing

Docs - Samples - Jan 18, 2017

While going through a GPU pass, film setting in post processing isn't working as expected. This does not seem to be GPU specific The displays should resemble the images in the documentation - PPE ...

Editor crashes when attempting to doubleclick static mesh in content browser

UE - Graphics Features - Jan 16, 2015

Edit: Fatal error: [Link Removed] [Line: 1467] Couldn't find Shader TShadowDepthVSVertexShadowDepth_OutputDepthfalse for Material Resource M_Base_Advanced_blend! With VF=FLocalVertexFactory, Platf ...

Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components

UE - Anim - Runtime - Jan 30, 2025

This issue is caused by the backout in 38341618.  The original code that went into 5.0 affects serialization by changing the UCS modified properties.  When upgrading, the override is lost because th ...