Compile failure packaging code project for tvOS from Mac

UE - Platform - Mobile - Apr 27, 2017

Also occurs in the live 4.15.1 build. This does not occur for BP projects or when packaging for iOS. Same compile error as UE-41313UATHelper: Packaging (tvOS): UnrealBuildTool: /Users/Shared/Unrea ...

Crash upon taking a screenshot on Gear VR

UE - Platform - XR - Jul 13, 2017

Using the shot console command or the RequestScreenshot function to take a screenshot in Gear VR causes the app to crash. This was tested on Android-19, ETC-1 configuration, with both Developer Mode ...

Moving assets in the Editor fails to fixup references causing the project to generate errors

Tools - Mar 30, 2020

Moving assets in the Editor is very unreliable. References may or may not be fixed up. No direct error is presented or a warning about problems. Any moves of the gameinstance, string table or certai ...

Using Virtual Texture Streaming checkbox in texture editor can break materials

UE - Graphics Features - Feb 24, 2021

A texture can be toggled between virtual texture and regular texture using the Convert to virtual texture/regular texture tool in the texture asset context menu. This updates referencing materials t ...

Niagara mesh renderers with a volumetric material trigger a handled ensure and are invisible in the scene

UE - Niagara - Jul 29, 2020

Volumetric materials on a Niagara mesh renderer will not appear in the scene and cause a handled ensure.  ...

Sequencer crashes when scrubbing characters with sub-anim instances and montage slots

OLD - Anim - Oct 2, 2019

I saw a following assertion. Assertion failed: (AdditivePoses.Num() > 0) || (NonAdditivePoses.Num() > 0) [Link Removed] [Line: 1381] This is my quick fix// code placeholder void FAnimInstance ...

IPA Package Sizes have Increased between Versions

UE - Platform - Mobile - Feb 21, 2017

When packaging for iOS the IPA file seems to have increased in size from previous versions. The licensee made an important observation that it appears the master materials have almost halved in si ...

r.Shaders.Optimize=0 crashes when compiling a UI material

UE - Rendering Architecture - Materials - Sep 2, 2024

[2024.08.30-22.12.22:384][ 73]LogWindows: Error: appError called: Assertion failed: CurrentGPUVirtualAddress != 0 [Link Removed] [Line: 659] Disabling shader optimisation can crash the editor when ...

Assert when having too many VR devices

UE - Platform - XR - Aug 31, 2018

Internal team is encountering a crash when adding too many VR devices. Email thread titled "Re: Crash Logs" The bug is an internal limit of devices the code supports, which is 8. If a controller o ...

The engine crashes when adding a new brush at newly created level by a specific way.

UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 17, 2019

issuesFBSPOps::csgAddOperation returns null if BuilderBrush has no valid polys.The creating level on content browser never calls "UEditorEngine::InitBuilderBrush(NewWorld);". But "New level" button o ...