Text Size In Material Blueprint Comments Don't Change

UE - Rendering Architecture - Materials - Aug 24, 2020

When changing the size of the text in a comment box, after you adjust the size and click save, then close the material editor. When you reopen the editor, the text size is back to the default but th ...

Crash launch application adding .umap url

UE - Foundation - Core - Aug 6, 2020

The application crashes when adding ".umap" to the launch map at application launch. If not specify ".umap", it will be able to launch application. There appears to be a failure to parse the URL. Th ...

SetActorEnableCollision does not affect Destructible meshes

UE - Simulation - Physics - Destruction - Jan 4, 2016

Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...

Duplicated Blueprint Causes Incorrect Target for Events

UE - Gameplay - Blueprint - Oct 15, 2015

Duplicating a blueprint that has a node hooked up to BeginPlay causes the BeginPlay in the duplicate blueprint to target the original blueprint. This does not appear to affect functionality. Occur ...

Bound Variables In UMG Are Deleted As Unused If Not Used In The Graph Window

UE - Editor - UI Systems - Mar 18, 2020

If a variable is bound in the Design Window of a User Widget asset it will be deleted if you use the menu option "Delete all unused variables". Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9 ...

SceneCaptureComponent2D leaks a ton of memory in a Packaged Build

UE - Virtual Production - Mar 12, 2020

This was initially reported in VR but the leak happens in a non-VR setup and environment. GPU utilization jumps to 84% in 4.23.1 and 98%+ in 4.24.3, 4.25, and 4.26. Tested GPUs were GTX 980 and GTX ...

SunTemple scene does not update properly on iPhone 6S

UE - Platform - Mobile - Jul 18, 2017

On the 6S, the SunTemple scene is almost unresponsive. As the player uses the thumbsticks, the lightmaps from the windows rotate to mach the player's movement; but they are the only thing. This doe ...

Ribbons Don't Follow Their Source Particles When Scaling

UE - Niagara - Mar 23, 2020

When Ribbon Data in a particles system that is following is scaled in an instance the ribbons scale appropriately, but they don't follow updated location of their source particles. See the attached ...

ChildAnimBP with different skeleton than parent does not show child skeletons anims in AnimGraphOverrides

UE - Anim - Runtime - Anim Blueprints - Jul 31, 2020

Create a Parent AnimBP, add any animation to it. Then create a childAnimBP from Parent. In ChildAnimBP, go to TargetSkeleton (from class settings) to change a different skeleton. Then go to the Anim ...

Editing values in ReverbMasterSubmixEffect causes crash

UE - Audio - Nov 7, 2019

Adding and removing Submixes at runtime, then editing the preset causes the editor to crash. Tested in 4.22.3 (CL - 7053647), 4.23.1 (CL - 9631420), 4.24 (CL - 1050688), 4.25 (CL - 10069288) ...