GoogleVR fails to package with Gradle

UE - Platform - Mobile - Aug 10, 2017

Packaging with GoogleVR (Daydream) fails with Gradle enabled: https://answers.unrealengine.com/questions/678203/417-exporting-daydream-project-with-gradle-results.html ...

Each changing collision response increases FPhysXTask count

UE - Simulation - Physics - Jul 8, 2019

calling SetCollisionResponseToChannel or something similar, FPhysXTask will ever increase . Finally, it causes serious frame rate drop. That count can be reset by calling RecreatePhysicsState. ...

Lightmaps not carrying over with 'Save Current As'

UE - Graphics Features - Lumen - Jul 17, 2020

I can reproduce it, other developers reported to me too.  Not a problem in 4.22 ...

Textures/Materials morphed when BSP is scaled

UE - LD & Modeling - Modeling Tools - BSP - Mar 17, 2015

When you place a texture onto a BSP and resize the BSP, the material/texture is skewed to the size of the BSP rather than staying at the scale it originally was. Work Around: You can resolve this b ...

Editor crashes upon PIE unless tick is disconnected and reconnected

UE - Gameplay - Blueprint - May 14, 2015

Project crashes if user presses compile or PIE unless they first disconnect and reconnect event tick within blueprint component BP_BuildStage. Frequency: 4/4 CrashReporter: [Link Removed] ...

Application fails on HTML5

UE - Platform - Mobile - Mar 6, 2015

User is unable to launch his project onto HTML5 without any errors. The game doesn't work as an application, merely a background image. Works perfectly on Windows. ...

First Person Game Mode isn't set correctly for new default levels

Docs - Samples - May 26, 2015

When creating a new default level in the first person template, the default game mode is set to 'pawn' rather than 'first person character'. ...

Incorrect resolution used because SetProcessDpiAware() is not called when bAllowHighDPIInGameMode=False

UE - Rendering Architecture - Aug 8, 2025

The incorrect resolution is used on computers with 4k monitors that use DPI scaling (default 150%) because the default for UE projects is bAllowHighDPIInGameMode=False which results in SetProcessDp ...

Crash when moving a sprite imported as part of a spritesheet to another folder if the sprite names had invalid characters

UE - Editor - Content Pipeline - Content Browser - Oct 28, 2014

Attempting to move any of the sprites created from this .json to another folder from within the Content Browser crashes the project. CRASHREPORT: 442758 ...