Keying the Spawned Property of a Spawnable Breaks in the details panel

UE - Anim - Sequencer - May 18, 2017

The spawnable mesh seems to be breaking when their spawned property is altered. If you uncheck the spawned property in Sequencer, the Details panel also breaks similar to keying the property. This ...

Class viewer does not save filters when closed

Tools - Jun 16, 2017

Regardless how the filters are set in the Class Viewer window, closing and reopening the window causes the filters to be reset to the default options. Regression: No - this behavior exists in 4.15. ...

Setting Sky Distance Threshold to 0 in a Skylight does not disable the light

UE - Graphics Features - Jul 11, 2017

When setting the Sky Distance Threshold to 0, the skylight in the level appears to make the level brighter instead of disabling the added light. This does occur in 4.16.2 and 4.15.3 ...

Animation Track in Shot Does Not Animate With Evaluate Sub Sequences In Isolation Enabled

UE - Anim - Sequencer - May 15, 2018

When Evaluate Sub Sequences in Isolation is enabled in a shot, other shots inside the same sequences only play the transform track and do not play their animation track Does not affect 4.18.3 Relat ...

Disabling "Apply Fogging" Doesn't Work for Translucent Material with Volumetric Fog

UE - Graphics Features - Jul 6, 2018

Translucent materials with "Apply fogging" disabled will be affected by volumetric fog.  Found in 4.19 CL# 4033788, 4.20 Preview 5 CL# 4173640, and 4.21 ...

Default Values missing from Local Variables in Blueprint Actor Construction Script

UE - Gameplay - Sep 19, 2019

Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...

DX12/SM6 Sampler Counts increased for empty materials between 5.1 and 5.2

UE - Rendering Architecture - Materials - May 19, 2023

While not a major issue in and of itself, this can cause considerable headaches for materials where sampler counts in 5.1 were at 15/16 or 16/16 and when upgrading to 5.2 are now exceeding the built ...

Crash Occurs on Exiting Standalone After Using DemoPlay

UE - Networking - Mar 2, 2017

Using Execute Console Command nodes to record and play back a demo is causing a crash in standalone. Using the console commands themselves does not seem to cause the same crash to occur. ...

Crash when changing the World Grid Material to Unlit

UE - Graphics Features - Mar 13, 2017

A crash occurs when setting the WorldGridMaterial from the Engine Content to the Unlit Shading Model and pressing apply. ...

HLOD build crashes when GroupActor is present

UE - World Creation - Worldbuilding Tools - HLOD - May 24, 2022

The licensee shared information that a Null check on the following Actor can be used as a workaround. static TArray<UActorComponent*> GatherHLODRelevantComponents(const TArray<AActor*>& InSourceAct ...