Widget Blueprint breakpoints hit during a Tick event do not engage the debugger.

UE - Editor - UI Systems - Jun 13, 2024

The user comment on the Salesforce issue " This is a regression from the behaviour in 5.3.X, and I've reproduced it in 5.4.0, 5.4.1, and 5.4.2. The specific issue/change that caused this regression ...

Assign Event On Destroyed no longer creates Custom Event Node

UE - Gameplay - Blueprint Editor - Oct 9, 2018

When creating a new Blueprint Class based on an Actor parent, If you navigate to the Actor's event graph, and right click on the editor blank space;  type "Assign on Destroyed"  and select  "Assign ...

Planar Reflections Cause Big Performance Hit In Packaged VR Projects

UE - Platform - XR - Jan 22, 2020

Planar reflections notably lower performance in packaged VR project. Linked is an example project and an example package. [Link Removed]. This was tested on a Vive Pro and Oculus Rift(not Rift S). ...

Media Texture Not Displaying When Launched to Android Device

UE - Rendering Architecture - Materials - Dec 17, 2015

UPDATE: 12/23/2015 This appears to be occurring on packaged projects for Win64 as well. ====================================================================== When attempting to launch a level t ...

AddProceduralMeshComponent node throws UnknownTemplateReferenced errors in duplicated Function

UE - Gameplay - Blueprint - Aug 5, 2015

AddProceduralMeshComponent node throws UnknownTemplateReferenced errors in duplicated Function User description: 1) Make a function that has a Add Procedural Mesh Component node. 2) duplicate func ...

Drag and Drop Operations Don't Work Correctly When "Render on Phase" Is Enabled In a Retainer Box

UE - Editor - UI Systems - Slate - Jan 31, 2020

Drag and drop operations don't work correctly when "Render on Phase" is enabled in a retainer box. When "Render on Phase" is disabled the drag and drop operations work as expected. In 4.23.1 the dr ...

Issues changing physics properties on destructible meshes

UE - Simulation - Physics - Destruction - Oct 15, 2015

Numerous issues when manipulating destructibles. 1) Changing collision response pre-fracture will not affect chunks post-fracture 2) Changing collisions response pre-fracture will prevent damage f ...

Translucent materials with Modulate blend mode disappear with down-res translucency enabled

UE - Graphics Features - May 28, 2024

Reported from this UDN: https://udn.unrealengine.com/s/question/0D5QP00000MLlco0AD/active-dtr-doesnt-render-beforedofmodulated-materials?fromCase=1 The problem is that, except in very specific circ ...

When Character BP actor is rotated, "Mesh" component translation differs on Client and Server

UE - Gameplay - Apr 21, 2015

Occurs in: Releases 4.7.6 CL:2510309 Main 4.8 CL:2513846 When Character BP actor is rotated, Translation is changed for "Mesh" component on Client. Server appears as expected. This isn't typicall ...

Imported animations don't import correctly when using same import settings as skeletal mesh it's based off

UE - Editor - Content Pipeline - Datasmith - Importer - Jul 10, 2019

When importing an animation using the same import settings as the imported skeletal mesh it is meant for part of the mesh is rotated 90 degrees around the root. The files that were used to verify th ...