Unreal Engine Issues

Key precision problems on some short animations

Please see attached UE4_anim_interp_bug.fbx for a second example. This works as expected in 4.7 and 4.8 I've got a couple different users reporting this now. I suspected animation compression to ...

Editing child property values is affecting parent property values

Fail to compile with Added AIController class

User fails to compile code template after adding AIController code to project. Regression: Not a regression happens in 4.6.1 CL-2386410 Setting up Mono Building MyProjectEditor... Compiling game m ...

[CrashReport] UE4Editor_Kismet!FBlueprintGraphArgumentLayout::OnArgNameChange()

This is a common crash affecting users in 4.16 and has been occurring since at least 4.14 affecting more than 300 unique users. User Descriptionsi made a macro called IsolateYaw and set the input t ...

Slowly flickering display in GearVR

The appears repeatedly in the log:[2017.07.12-14.57.06:022][ 4]LogHMD: Initializing OVRPlugin session [2017.07.12-14.57.06:652][ 4]LogHMD: Setting user focus to game viewport since session status ...

Failed Import Error Message Appears on Components in Child Blueprints

Creating a C++ class based on actor and adding components to it will build successfully and work as expected. However, creating two child blueprints of a parent that is based on that C++ class and p ...

Editor Crash with corrupted asset when opening within level or via the content browser.

Editor will crash when a skeletal mesh has been added to a level and then reopening the project later if you try and access this level. If you attempt to open the skel meshes in the content browser ...

[CrashReport] Linux crash - error VK_ERROR_EXTENSION_NOT_PRESENT

This is an early trending Linux crash in 4.18, but also occurred in 4.17. It seems to occur before a project loads. Callstack from Log[2017.10.26-01.39.08:606][ 0]LogVulkanRHI: Display: - Found g ...

Components tree is ending up with duplicate entries (same pointer added to the list view more than once), causing an assert

This is a common crash affecting users in 4.15 and 4.16. Over 200 unique users have been affected. User DescriptionsCamera Component Drag Drop Error 카메라 컴포넌트를 이벤트 그래프에 드래그 하는 도중 에러 발생 Creating a ne ...

Modulated Shadows on IOS cause flickering on Skeletal Meshes

Modulated shadows are not functioning properly on IOS devices for skeletal meshes. Any skeletal meshes in the scene will cast a shadow, but have a flickering modulated shadow on the skeletal mesh as ...