Unreal Engine Issues

AStaticMeshActor::CheckForErrors using exact compare instead of epsilon

AStaticMeshActor::CheckForErrors() is producing slightly incorrect results due to position and scale being exact matched, instead of using an epsilon comparison. Rotation is using Euler angles for ...

ContributeToMass not working when simulating physics

Un-checking the ContributeToMass setting on any part of a physics asset results in an ensure when simulating physics.  ...

"Convert to Blueprint" removes ability to edit component properties

As noted by the user in the linked UDN question, this seems to be a problem with the PointLightComponent property on APointLight not having the VisibleAnywhere property descriptor. Also as noted, th ...

UBX Collision Rotation Is Set Incorrectly on FBX Import

Imported FBXs that use UBX will import their collision rotation incorrectly. You can see this when scaling the collision non-uniformly.  Found in 4.20 CL# 4369336, 4.21 CL# 4541578, and 4.22 CL# 46 ...

XboxOne D3D12 Graphics Artifacts

Multiple licensees are experiencing this problem. The repro should look like this initially: [Image Removed] But then over time will degrade overtime into something like this this, most likely cau ...

ProfileGPU crashes when running under the mobile emulator

Actor Component properties can become "linked" across multiple Blueprints after a hot reload

If code in an Actor Component class is changed (eg. a new UPROPERTY is added) and a hot reload is performed to implement the changes, the properties in the component can become linked across any Blu ...

Console command "setMouseSensitivity" locks mouse movement to the X axis

Using the console to set mouse sensitivity locks mouse movement to the X axis. ...

Set node for a key variable returns "(" instead of "None" when set to none (if not previously set to anything)

When setting a key variable to none (without setting it to anything else first) the variable will return "(" instead of none ...

nDisplay - DeprojectScreenToWorld alignment is off

Using nDisplay DeprojectScreenToWorld does not have proper alignment when clicking on the screen.  [Link Removed] ...