Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling

UE - Editor - Workflow Systems - Jan 11, 2022

This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...

Packaging with Steam VR plugin disabled requires an IDE

UE - Platform - XR - Jul 20, 2017

Disabling the SteamVR plugin in a Blueprint-Only project causes the packaging process to require an IDE to complete, as it requires compilation. Regression?: Yes This did not occur in 4.16.2 Note: ...

Missing vegetation created via PCG on export

TM - Rendering - Feb 21, 2025

If you compare this 2 automation tests done on Swiss chalet project, you could see that some parts of vegetation are missing : [Link Removed] [Link Removed] The diff between the 2 exports is caus ...

IsOverlappingActor is always returning false

UE - Gameplay - Sep 23, 2015

When you use the IsOverlappingActor node to determine whether or not something is overlapping another actor, it returns false regardless of whether or not you're actually overlapping another actor. ...

Print String does not print to the viewport screen from the Construction Script

UE - Gameplay - Blueprint - Aug 11, 2015

Print String does not print to the viewport screen from the Construction Script, even if Print to Screen is enabled in the Print String node. Reproduced in 4.7.6 binary, 4.9 Preview 3, and Main (/ ...

[Synth][Tone Generator] - Editor crashes when Starting Synth Component Tone Generator

UE - Audio - Mar 29, 2022

Starting a SynthComponentToneGenerator crashes the editor with the following assert:Assertion failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\SignalProcessing\Private\AudioBufferDis ...

Sub Classing World Settings Causes Hot Reload to Crash

UE - Foundation - Core - Feb 3, 2016

When creating a subclass of World Settings, attempting to use the in-editor compile button to compile the code causes the editor to crash. Found in 4.11 Preview 4. Reproduced in 4.10.2 binary and ...

imageStore no matching overloaded function found error when packaging ContentExamples

UE - Niagara - Jun 26, 2018

The following error appears when packaging ContentExamples for Linux.UATHelper: Packaging (Linux): LogNiagaraShaderCompiler: Warning: (ERROR: 0:377: 'imageStore' : no matching overloaded funct ...

Selection Highlight cannot be disabled for Skeletal Meshes

Tools - Feb 7, 2017

Selection highlight cannot be disabled for Skeletal Meshes. They will always have the outline selection and some tinted selection over their faces. Static Meshes do not exhibit this behavior. This ...

Sun is rendered badly or not showing on mobile devices.

UE - Platform - Mobile - Jan 27, 2015

When you deploy the First Person Template to a mobile device, the sun will appear badly rendered or not rendered at all. Tested on iPhone5S, iPad Air, GalaxyS3 Mail, Nexus 6, iPad Air 2, Nexus 5, G ...