Sequence thumbnails save with visual issues

UE - Anim - Sequencer - Aug 1, 2025

[Link Removed] When camera tracks are activated, saving the sequencer results in captured anomalies: 1. Incorrect aspect ratio 2. Additional post-processing effects such as lens flare appear 3. ...

TextRender components do not update until blueprint is saved and compiled

UE - Gameplay - Blueprint - Aug 25, 2015

TextRender components do not update when text is changed on compile. The blueprint must be saved, closed, and re-opened for the change to take effect. ...

Static Mesh Only enabled Foliage Actor causes serialization error in packaged game

UE - World Creation - Worldbuilding Tools - Nov 24, 2023

The crash can be worked around by modifying FFoliageISMActor::Serialize as following code : void FFoliageISMActor::Serialize(FArchive& Ar) { #if WITH_EDITORONLY_DATA     if (!Ar.IsCooking()) // ...

Popping Ribbon UVs

UE - Niagara - Mar 10, 2025

Please see the Additional Link for related UDN information. The UV popping described can be subtle, depending on settings; it's affected by spawn rate and GPU vs CPU. The popping shown in the gif t ...

The ConvertToDeviceZ in common.usf seems wrong

UE - Graphics Features - Mar 26, 2021

Display Blueprint Added Components on subobjects with meta = (ShowInnerProperties)

UE - Framework - Blueprint Editor - Sep 28, 2021

Right now only native subobjects are displayed in the details panel with meta = (ShowInnerProperties) is set. Child Actor Components are an example of this, where if the child actor you have added h ...

Macro Libraries do not update after rename

UE - Gameplay - Blueprint - Jan 21, 2015

Macro Libraries can only be called by their original name, even after being renamed to something different. ...

A custom Blueprint node created using a code class derived from EdGraphNode can no longer be found in the event graph to be used.

UE - Gameplay - Blueprint - Dec 9, 2014

Custom Blueprint nodes no longer appear in the event graph. This was working in 4.5.1, but no longer works in 4.6 and Main. Previously working: CL 2336109 No longer working: CL 2374938 CL 2375748 ...

Multiple viewports open cause wrong viewport to render in VREditor (HTC Vive)

UE - Editor - Workflow Systems - Apr 28, 2016

Having multiple viewports open causes the wrong viewport to be rendered inside the headset. Positional/Rotational tracking is still updating correctly in the preview window. Closing the wrong view ...