Android launch images change size while onscreen

UE - Platform - Mobile - May 4, 2020

This was reproduced both in Match 3 and a new BP project with a custom launch image. Note that on Pixel 2 the BP project behaves a little differently than Match3. It displays in full size, then s ...

When always loading last project, project logs are saved to the engine folder

UE - Editor - Aug 6, 2020

Checked on the Binary version //UE4/Release-4.25 stream CL 13942748 Version 4.25.3, logs are also saved into Engine folder: \AppData\Local\UnrealEngine\4.25\Saved\Logs instead of a Project folderIf a ...

Network Prediction plugin: dispossessing a client pawn results in repeated sim input

UE - Gameplay - Apr 1, 2022

After dispossessing an NP-simulated pawn, it appears that the last frame of input is used for the continued simulation of the pawn.   For example, a client player may be holding down continuous inp ...

XR -ARKit - Tracked Planes are not attached to the real world objects when moving the camera around

UE - Platform - XR - May 22, 2024

When the user attempts to place an object on a tracked plane it slides around the environment not staying in the expected place. Using the ARDebugcheck project with the show planes option you can se ...

Sequencer: Camera Lock Breaks After Closing Sequencer and Re-entering PIE

UE - Anim - Sequencer - Oct 9, 2025

Viewport camera lock in Sequencer fails to persist correctly after running PIE with Sequencer open, then closing Sequencer and running PIE again. The issue consistently reproduces using the attached ...

Noise Node used in UI Material is rendering Black

UE - Graphics Features - Feb 15, 2016

The Noise Node when used in a UI Material is rendering completely black in 4.11. This is a Regression from Behavior in 4.10.2 It looks like the Noise Node (at least form the preview of the noise i ...

Material Compile Error [SM5]

UE - Graphics Features - Jun 8, 2016

There is an material compile error when using a TexCoord node shared between two Texture samples. The user provided a number of ways to work around the issue, but this issue becomes more problemati ...

Crash on Mac when adding Convex Collision to a mesh converted from a brush

UE - Platform - Apple - Jun 6, 2017

This is one of the top Mac crashes occurring in 4.16. Caused by adding Auto Convex Collision to a mesh converted from a brush. Does not occur on Windows. User DescriptionsI was trying to add a conv ...

[CrashReport] ULevel::GetWorldSettings() - UMaterialInstanceThumbnailRenderer::Draw

Tools - Aug 29, 2017

This is a common assertion that has occurred since at least 4.14 and affected nearly 100 users. The callstack is similar to [Link Removed], which was marked fixed for 4.14. User DescriptionsUndoi ...

Compile warning/error in the FUpdateCollisionResponseHelper destructor

UE - Simulation - Physics - Dec 15, 2017

It has been reported that when building with Visual Studio 2017 version 15.5.1, a warning/compile error is shown in BodyInstanceCustomization.cpp: warning C4287: '<': unsigned/negative constant mism ...