If use with mesh particles or use with niagara mesh particles is checked in the Usage flag of the material and the material domain is set to volume, compile error will occur.

UE - Niagara - Jan 5, 2021

[SM5] /Engine/Private/VolumetricCloud.usf(118,33-53): error X3018: invalid subscript 'VertexId' This is happening in VolumetricCloud.usf, but it seems that I can avoid the error by adding the follow ...

AutoReimport can kick in too early for files that are being written out continuously

UE - Editor - Content Pipeline - Import and Export - Apr 2, 2015

When exporting a large file, due to the way the auto reimporter only checks for the number of changed files has remained stable for some given threshold, it can kick in too early even though the sin ...

Crash on iOS loading into a scene with Media Framework assets

Media Framework - Sep 30, 2016

Following launching a packaged Media Framework project, the application crashes. Different behavior is observed between iOS versions. When tested in 7.1.2, the video played in the scene for a few s ...

Grainy Material on Gun in FPS Template

UE - Graphics Features - Oct 14, 2016

Load up a FPS template and move around. It appears the gun becomes grainy. This was tested on an NVIDIA Geforce GTX 980 Version 373.06 and a Quadro M4000. Also tested on a AMD Radeon R9 290 @ Rade ...

Structs appears to display incorrectly in behavior tree nodes

UE - AI - Oct 7, 2016

When editing a behavior tree blueprint, if one of the custom nodes created and placed in the behavior tree has an "Editable" variable of a user defined struct type, then the variable's value appears ...

Editor Crashes after updating to 4.7.2

UE - Graphics Features - Mar 7, 2015

Crash Reporter [Link Removed] User installed UE4, version 4.7.1 few days ago and I hadn't any problems with launching Unreal Editor. After upgraded the engine to 4.7.2 is getting crash every time ...

[CrashReport] UE4Editor_TextureFormatDXT!__delayLoadHelper2() [delayhlp.cpp:323]

UE - Graphics Features - Nov 3, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Unknown exception - code c06d007e (first/second chance not available) Source ...

[CrashReport] UE4Editor-Core.dylib!FThreadStats::FThreadStats()

UE - Graphics Features - Nov 17, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: SEGV_MAPERR at 0x0 Source Context:N/A Most recent user affected CL: 3195953 ...

Vulkan is crashing on S7 Mali

UE - Platform - Mobile - Mar 10, 2017

Projects packaged for Android using Vulkan are crashing on S7 Mali devices. This is not happening in 4.14. ...

Crash in Packaged Game When Using Gameplay Tags

UE - Gameplay - Mar 27, 2017

A crash is occurring in a packaged game after populating a data table and using it to populate the GameplayTagTableList, as well as having a blueprint that contains a gameplay tag variable. This c ...