Unreal Engine Issues

Noise Material Expression is rendering outside Min and Max Range with High Position Values

The Noise Material Expression is rendering values well outside the Min and Max Range set in the Expression node. Also Reproduced in Main Promotable-CL-2469752 Alerted the user to suspicions and su ...

DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1

DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1.  Worked in 4.20, no longer works in 4.21 or 4.22.  Originally reported as Oculus Quest specific, but repr ...

Externally Referenced error is produced after cloning a 4.6.1 project and converting it to a 4.7.6 project

A User in unable to save there project because of they get warnings for all of the objects in their scene saying they are externally referenced. This happens after cloning a project and then convert ...

Get viewport size returns unexpected values when Windows scaling is 125% or higher and High DPI support is enabled

Get viewport size node returns unexpected values when the user has set the windows scaling higher than 100% and has also enable High DPI support. ...

Translucent Object not rendering correctly in Desktop Forward in left eye in a packaged game when using "r.HZBOcclusion 1"

Object not rendering correctly in left eye in a packaged game when using "r.HZBOcclusion 1". In this example looking to the right the object disappear from the left eye only. Note: This was tested ...

Asset values change when the Editor is out of focus when using Maya or Web Browser

When switching between any open software (Maya, web browser) and UE4 while Simulation is running, sometimes the values change on the asset and it starts to oscilate between <-0.6,0.6> or any other s ...

Fbx exporter do not support material instance

The fbx exporter should support material instance to export the same result has the user see in the content browser or in the level editor. ...

Spawn Burst Instantaneous Doesn't Work with Emitter.NormalizedLoopAge Spawn Time Set to 1

Phones with no magnetometer -> GetInputMotionState returns all 0s

Bug submission from a user overseas: " On some devices (Moto G5 Plus, Moto G5 S Plus) the values are always 0 like : Tilt : 0.00.00.0 RotationRate : 0.00.00.0 Gravity : 0.00.00.0 Accleration : 0.00 ...

Maximum number of State Machine connections?

Adding more than 8 connections to or from a state in the state machine results in unpredictable behavior, like causing an animation to fail. (See image.) Was able to reproduce with user's test file ...