Unreal crashes when you connect scalar node to scalar input, when material function has a vertex interpolator

UE - Graphics Features - Mar 19, 2018

There is an issue occurring where Unreal crashes when you connect a scalar node to scalar input when the material function has a vertex interpolator. This issue causes the engine to crash, but the i ...

CameraVectorWS Input Data as Post Process Blendable not Rendering Correctly

UE - Graphics Features - Apr 6, 2016

When calling a post process blendable to the screen using the CameraVectorWS input data, only the geometry is effected and not the screen space. Note I sent an email out about this issue, and it ha ...

World Outliner selection does not update transform widget location during play

Tools - May 23, 2017

World Outliner selection does not update transform widget location during play. This issue can be easily fixed simply by reselecting the object, this issue only affects the first time the object is ...

Start ARCore Session - Session config fails

UE - Platform - XR - Nov 27, 2019

ARCore Regression Not seen when updating 4.23 project to 4.24 This did NOT reproduce when updating 4.24 project (Created with Preview 4) to 4.25 MAIN 10406617 ...

Object Scale Not Working with Instanced Static Mesh

UE - Graphics Features - May 19, 2016

Using Object Scale in your material with an Instanced Static Mesh does not change the color of the material if you scale the individual instances of the Instanced Static Mesh component. If you scal ...

Creating SplineMeshComponents along Spline causes crash

Tools - Aug 22, 2018

Attempting to procedurally create SplineMeshComponents along the spline of a SplineComponent via a derived SplineComponent class's constructor causes the project to crash. It runs into an ensure mes ...

Crash in FVulkanLinuxPlatform

UE - Platform - Linux - Apr 17, 2019

Using the command in the repro steps on Linux will cause the Editor to crash and CrashReporter to pop up with a callstack. This behaves differently when tried on Windows with -vulkan. The project ...

User Play Space Rot does not change anything in Client Play Camera Shake

UE - Gameplay - Jun 11, 2015

User does not change anything in Client Play Camera Shake. Reproduced in 4.8 and Main (//depot/UE4/Promotable-CL-2581498). This is a Regression: it works as expected in 4.7.6 ...

Packaging for Linux in a binary build should be disabled when not supported

UE - Platform - Linux - Jan 5, 2015

According to the user, if you install Linux toolchain, the binary build will allow you to package for it, and will not handle the failure gracefully ( https://forums.unrealengine.com/showthread.php? ...

Sphere Object Not Firing Hit Events

UE - Gameplay - Mar 14, 2016

When moving a sphere using Add Actor World Offset, hit events on that sphere are not fired. However, doing the same thing with a cube causes hit events to fire off as expected. When you enable grav ...