Unreal Engine Issues

Packaging Fails When Media Player->Open Source is Used in C++

When attempting to use a media player asset in code, packaging will fail with the error message shown below. Could not find a native player for [...]4.13/Content/Movies/Tutorial.wmv This occurs ev ...

Crash with a migrated BP actor using InstancedStaticMeshComponent

A licensee reported one of their map crashes on open when they tried to migrate from 4.12 to 4.14. There was no crash in 4.13. This seems to be caused by a certain BP actor that adds InstancedStat ...

GoogleVR fails to package with Gradle

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

The behavior of translucent sorting is different between 4.23 and later.

Also, from 4.23 onwards, if you move the mesh back and forth, the order of the  translucent sort will be switched. ...

Textures/Materials morphed when BSP is scaled

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

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] ...

Editor crash when compiling a blueprint containing `SetAvoidanceEnabled` call in construction script.

Application fails on HTML5

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

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

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 ...