Draw Invalidating Bounds debug view mode for Virtual Shadow Maps is gone in 5.4

UE - Graphics Features - Shadows - Jun 9, 2024

The CVar "r.Shadow.Virtual.Cache.DrawInvalidatingBounds" referenced in the official 5.4 documentation for virtual shadow maps, no longer shows any bounds as the underlying code seem to be removed in ...

Converting Project from 4.11 to 4.12 and Above Changes Relative Scale of Sockets to 1

UE - Gameplay - Sep 21, 2016

When converting a project from 4.10/4.11 to 4.12(or later) the relative scale of the sockets on skeletal meshes will be changed to 1,1,1 regardless of the previous settings. ...

"Skip Assigning Gamepad to Player 1" Setting causes Force Feedback events to be incorrectly routed

UE - Gameplay - Input - Mar 13, 2018

The engine still uses the default index for calling force feedback events, despite them being assigned from player 1 on out. Which is why event on player 1 goes to player 0, event on player 2 goes t ...

Dynamic Obstacle Blueprint components do not correctly affect navmesh in standalone mode

UE - AI - Jul 21, 2015

Static mesh components of blueprints with "Is Dynamic Obstacle" set to true do not correctly affect navigation when standalone mode is initially run. Once another object is moved and the navmesh is ...

Foliage 'BlockAll' instanced static meshes do not affect NavMesh

UE - AI - Navigation - Feb 27, 2024

When placing static mesh foliage and setting the foliage mesh's Collision Preset to Block All,  the placed meshes do not consistently block parts of the nav mesh. Expected: Placed meshes (for examp ...

UV Import layout error increases with movement of UVs away from 0-1 Space

Tools - May 27, 2015

When a user sets up an unwrap using a space outside the original 0 to 1 space the unwrap will increasingly show errors of positioning. For Example, in the following images the lower left vertex of ...

Add Point node used with an InputKey of 0 or 1 will crash the editor on bp compile

Tools - Nov 29, 2016

Add Point node used with an InputKey of 0 or 1 will crash the editor on bp compile User Description: Unreal version 4.14 crashes every time that you use spline component and try to add the point 0 ...

Cannot Import Sound File with Duration Less Than 1 Second

UE - Audio - May 29, 2015

Unable to import a sound file shorter than 1 second in length. The two sound files attached are the same sound, but one has been extended to at least 1 second long and successfully imports. ...

Possible: JPG encoding for Highscreenshot broken in 5.1 Linux build

UE - Platform - Linux - Feb 10, 2023

UDN report of JPG encoding not working: [Link Removed] Can we ask QA to try to repro? ...

"Play Rate" below 1 and "Force Fixed Frame Interval Playback" causes choppy renders

UE - Anim - Sequencer - Jul 12, 2016

"Play Rate" below 1 and "Force Fixed Frame Interval Playback" causes choppy renders. This was explained by Max on Answerhub to the user, but this seemed like something that should be bugged and loo ...