Having Mirrored UVs Breaks Render To Texture Even When Using Different UV Channel

UE - Graphics Features - Oct 24, 2016

If the static mesh has Mirrored UVs on channel 0 it will mess up the "Unwrap UVs for Render" functionality even when using a different channel for UVs that don't have mirrored UVs. ...

Inifinite loop in tick task manager with tick when paused and interval

UE - Gameplay - Sep 16, 2016

When processing tick when paused tick interval tick functions an infinite loop can occur. ...

Mac project being rejected from app store over read/write access

UE - Platform - Apple - Jan 20, 2016

Game was rejected from the Mac App Store for attempting gain read/write access to directories which weren't permitted. Reporter of issue has proposed a possible fix on his AnswerHub post: These tw ...

Adding Text Render Component at Runtime Crashes Standalone

UE - Gameplay - Components - Nov 2, 2015

Adding a text render component to a blueprint through C++ at runtime crashes the standalone player. It does not have any effect on PIE. Also, this only seems to occur when the blueprint in question ...

Particles are not appearing from certain directions in mobile previewer/HTML5

UE - Platform - Mobile - Aug 13, 2015

Particle effects are not appearing on mobile previewer, Android, iOS or HTML5. ...

CRASH: Editor crashes when retargeting custom rig

UE - Anim - Rigging - Oct 30, 2014

When retargeting user's mesh from one custom skeletal mesh to another custom skeletal mesh the editor crashes. ...

Material Function with Texture Size Texture Property will cause a Crash

UE - Graphics Features - Apr 5, 2016

By accessing the texture property for texture size will cause a crash. Attached image for material graph. Tested in: 4.10.4 Texture Size Texture Property did not exist 4.11.- CL-2927265 4.12 Dev ...

Cast modulated shadows causes black screen on iOS with non-default FOV

UE - Platform - Mobile - Oct 14, 2015

Using a FOV other than 90 with Cast Modulated Shadows seems to cause a black screen and weird FOV issues on an iOS device, in 4.9.2. If the camera has FOV=90, it works fine on the iOS device. If th ...

Attached Project Crashes When Attempting to Open Blueprint

UE - Gameplay - Blueprint - Nov 11, 2015

The project in question: [Link Removed] The user is experiencing an issue where they've fixed compile errors on their NPC blueprint, and now are unable to open it without experiencing a crash. Righ ...

Memory Usage Remains High After Exiting PIE

Tools - Nov 24, 2015

Originally, a project that uses about 500 mb of memory spikes to over 2 gigs during PIE. After exiting PIE, the memory usage remains well over 2 gigs and continues to rise. Found in 4.10 Binary. R ...