Adding an Object to a Plugin using the C++ Class Wizard results in a compilation error.

UE - Foundation - Core - Jan 10, 2019

Adding an Object class to a plugin's module using the C++ Class Wizard results in a compilation error due to attempts to edit the new class' generated.h file during the initial compilation attempt. ...

UMG Background Blur Not Working On Android

UE - Platform - Mobile - Oct 9, 2018

UMG Background blur does not appear when packaged for android. It will work in PIE at the same preview level but not when packaged for the device. Found in 4.19 CL# 4033788, 4.20 CL# 4369336, 4.21 ...

Packaging fails for an exclusively-nativized BP-only project that includes a non-nativized child Blueprint class that's referenced by an (unrelated) nativized Blueprint class.

UE - Gameplay - Blueprint - Jun 21, 2018

For unknown reason, the header of BP_Parent is included twice. The second header is located after the .generated.h, causing the compile error. The following is the include section of BP_Child__pf1 ...

[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:696]

UE - Foundation - Core - Jun 12, 2018

No user comments in crash group 686 // Iterate over all chunks, serialize them into memory and decompress them directly into the destination pointer 687 for( int64 ChunkIndex=0; ...

[CrashReport] UE4Editor_Engine!FStaticMeshSceneProxy::RemoveSpeedTreeWind() [staticmeshrender.cpp:262]

UE - Graphics Features - Jan 26, 2018

No user comments on crash group ...

[CrashReport] UE4Editor_TextureFormatDXT!FNVTTCompressor::FNVTTCompressor()

UE - Foundation - Core - Cooker - Dec 1, 2017

This is a common crash that has occurred since at least 4.12. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed]. ...

Desktop Editor does not transition into VR Mode when Oculus HMD is worn while 'Enable VR Mode Auto-Entry'=True

UE - Platform - XR - Jul 29, 2017

Desktop Editor does not transition into VR Mode when the Oculus HMD is worn. The user must manually enter VR Mode using Toolbar buttons / keyboard shortcuts. This issue is only observed when on Ocul ...

Make/break settings struct doesn't work with edit-condition bools

UE - Gameplay - Blueprint - Apr 28, 2017

Make/Break settings in structs always returning true with booleans. ...

Mouse control is not obtained when clicking on a game's title bar from another app

Tools - Jan 18, 2017

A licensee has reported that gaining focus of a UE4 game window by clicking the window's title bar results in the game only receiving keyboard input and no mouse input until you also click in the ga ...

[CrashReport] UE4Editor_UnrealEd!UTransBuffer::Cancel() [editortransaction.cpp:697]

Tools - Nov 17, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [Link Removed] [Line: 833] ...