Crash when interacting with an Actor containing an Instanced Static Mesh that is in a Locked level

UE - Editor - Workflow Systems - Mar 30, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Editor crashes with an assertion after interaction with an Instance Static Mesh component that is in a locked level. This doesn't af ...

When Building Light for a SubLevel of a project, BSPs will be built into the level regardless if hidden or not

UE - LD & Modeling - Modeling Tools - BSP - Feb 23, 2016

BSPs will be built with light/shadow extrapolated even if they are placed in a hidden sub_level of the project at the time of building. Also Tested in 4.10.4, 4.11 Preview 6 and Dev-Editor-CL-28772 ...

SpeedTree SRTs with similar names will not import

UE - Editor - Content Pipeline - Import and Export - Jun 11, 2015

When you import the SRT files for both Broadleaf_Desktop and BroadLeaf_Mobile, the BroadLeaf Mobile Texture Atlas (Diffuse and Normal) will not import. This is a regression, it imported properly i ...

ALT-Drag a non-DBuffer Decal will Crash the Engine

UE - Graphics Features - Jun 11, 2015

When you ALT-Drag a Decal that is not using the Dbuffer settings, the Engine will crash. The issue is not reproducible in Main Promotable-CL-2581018 This is a regression. Worked in 4.7.6, broken ...

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 ...

Paper 2D Sprites rendering incorrect Color

UE - Gameplay - Paper2D - Jun 11, 2015

The Vertex (Sprite) Color is rendering a higher value than the color picker has set. In 4.7.6 this is consistent for Materials as well, but in 4.8 and 4.9 only the Paper2D elements are rendering at ...

Crash when loading TM-MotionControllers in a packaged build

Docs - Samples - Oct 26, 2016

Packaged QA Game crashes when opening "TM-MotionController" This issue did not occur in 4.13 This is also affecting KiteDemo. Cinematic will crash when Editor Content is not included in the packag ...

UMG/Slate scroll bars have a minimum size for scaling

UE - Editor - UI Systems - Mar 14, 2017

A user has reported an issue about scroll bars having a minimum size in UMG and Slate code, causing them to not scale correctly when the scroll box is at a smaller size. This affects both horizontal ...

widget shows up solid white on iOS

UE - Platform - Mobile - Jul 24, 2017

The web browser widget does not appear to load correctly on iOS. It appears as a solid white block. This has been seen on: iPhone X, v11.4 (A11 Bionic) iPhone 6, v11.4 (A8) It did not occur on a ...

Shader used factories/types/pipelines should be in DDC key

UE - Graphics Features - Jan 31, 2018

A licensee noticed that the ShouldCache types for FLandscapeMaterialResource changed in the 4.18.2 but this did not affect the DDC keys generated. This caused an endless compilation loop where the s ...