Potential bug in ComponentEncroachesBlockingGeometry_WithAdjustment in multi-overlap case

UE - Gameplay - Dec 10, 2015

https://udn.unrealengine.com/questions/270574/jeff-farris-hack-for-physx-mtd.html Instead of the return false in the hack section, it should probably do something like if (current overlap is the b ...

Issues with PrepareMapChange/CommitMapChange and Level Collections

UE - Networking - Jan 12, 2017

Per https://udn.unrealengine.com/questions/329206/crashes-when-streaming-levels-in-414.html LevelCollections has introduced some issues with using Prepare/CommitMapChange. CL# 3255445 has addressed ...

ARCore failing to package

UE - Platform - XR - Sep 26, 2017

Users reporting packaging issues with ARCore plugin enabled in 4.18 preview #1 and #2: https://answers.unrealengine.com/questions/709840/418-android-packaging-fails-with-arcore-plugin-ena.html ...

Rendering out PNG Sequence from Matinee yields Transparent PNGs

Tools - Mar 30, 2015

When rendering a movie out as a PNG sequence, the PNGs are all rendered with Transparency and require the addition of a Black layer before the frame can be viewed as in the Matinee. Went back and t ...

Documentation link for matinee is sending users to a 404 page

Tools - Oct 28, 2015

Forum user found an issue where if they select the documentation link for "", then they are brought to a 404 page instead of the correct documentation page. The url that it is linking to is: https: ...

DumpShaderStats doesn't output any shader data

UE - Rendering - Architecture - Shaders - May 1, 2024

The DumpShaderStats console command doesn't output any shader stats because the code to calculate that information in DumpShaderStats (Shader.cpp) is commented out https://github.com/EpicGames/Unrea ...

Failed to build in Github UE4.27.0.

UE - Runtime - Simulation - Aug 30, 2021

Failed to build UE4.27.0 with Win64/Development Editor.  Can avoid this error that excluding the project from build configuration. (Solution UE4->Properties->Configuration Properties->Configuratio ...

Staging DLC is reportedly broken

UE - Foundation - Cpp Tools - Automation Tool - Dec 16, 2015

According to a licensee, StageFiles() is called with ExcludeWildcard that contains a directory name ("Engine/*") and bRecursive=true when building DLC. This is not supported by Directory.GetFiles(). ...

Inconsistent documentation on how to use AsyncTasks

UE - Foundation - Core - Dec 16, 2014

The documentation found here may be out of date:https://docs.unrealengine.com/latest/INT/API/Runtime/Core/Async/FAsyncTask/index.html From Lauren R: "Looking at P4, that example code is mostly from ...

Lumen tile classification flicker

UE - Rendering - Graphics Features - Lumen - Apr 19, 2023

While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...