BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.

UE - Gameplay - Blueprint - Apr 11, 2024

When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...

Using Start Players as Spectators checkbox does not affect Player0

UE - Gameplay - May 20, 2015

When setting up a custom game mode blueprint, if the "Start Players as Spectators" checkbox is checked the first player loaded in PIE will not be in spectator mode. ...

Can not affect "r.SetRes" command in editor new window

UE - Foundation - Core - Jul 11, 2022

When playing in "New Editor Window" mode, entering the r.setres command does not change the screen size. This worked in UE4.27, but no longer works in UE5.0. ...

Using Alt+Click to break Transition node connections cannot be undone using the Undo command

OLD - Anim - Nov 28, 2016

Using Edit->Undo or Ctrl+Z has no affect after breaking using Alt+Click to break the connection of transition nodes. In the My Blueprint tab, extend Graphs->AnimGraph Regression: No - Same behavio ...

Skylight has too much influence on Subsurface Scattering

UE - Graphics Features - May 9, 2017

Users on the AnswerHub are reporting that Skylights have too much effect on Subsurface Scattering. The argument here seems to be Movable Skylights versus Static/Stationary and their results regardi ...

Second UVs wiped when using Merge Actors Tool

UE - World Creation - Worldbuilding Tools - HLOD - Jan 26, 2017

The merge actor tool no longer saves additional UVs used for the merged mesh. This was not the case in 4.13, but in 4.14 and later this information is no longer present. Also worth noting is that i ...

Attenuation Overrides Reset for Spatialize on Sound Cues after Upgrading to Newer Engine Version

UE - Audio - Nov 17, 2016

A user on the AnswerHub has reported that a number of his sounds have had their Attenuation Override settings reset, more specifically the 'Spatialize' setting. I ran a few tests and discovered tha ...

Foliage instances are not included when exporting a scene to FBX

UE - World Creation - Worldbuilding Tools - Foliage - Aug 4, 2016

When exporting Foliage instances to FBX the FBX will not contain any of the foliage instances, but will include any other static or movable geometry. This is a regression. This worked in 4.11.2 but ...

Custom iOS icons don't appear on device for Windows BP projects (Binary Build)

UE - Platform - Mobile - May 4, 2018

iOS icons have stopped working for Windows BP projects again; this does not occur on Mac. It also does not occur when using a source build from p4 (only on a binary build from the launcher). Note t ...

Landscape Grasstype warning causes log spam when landscape is streamed in or out

UE - LD & Modeling - Terrain - Landscape - Nov 16, 2016

Using the Landscape Grasstype will generate log spam for the number of Landscape components being used or if using World Composition will generate a log warning for each tile used. The warning ind ...