Unreal Engine Issues

Add multiple interface support to the multicast API of FSocket

The calls to JoinMulticastGroup and LeaveMulticastGroup on FSocket do not allow for the interface address to be passed in, only the the group address. The interface address is currently hard-coded ...

High DPI Monitors and Editor Ruler

When using a high DPI monitor the Editor ruler will display an incorrect value in relation to the grid scale. ...

Crash in packaged game if Blueprint that contains an instanced subcomponent is nativized

Attempting to load a nativized blueprint whose parent contains an instanced subcomponent causes the editor to crash in a packaged build. Regression?: Yes This did not occur in 4.18 ...

ColorCalibrator tool stuck on cursor when clicking out of the Editor

Using the ColorCalibrator tool as a cursor by holding "\" gets stuck if you click out of the Editor while hold down the key.  ...

AddLocalTransform node does not match scale behavior described in the node's documentation

The comment for the AddLocalTransform node states "Change in transform of the component in its local reference frame. Scale is unchanged." However, when the node is used, the existing scale of the o ...

Unable to change the 'Actor to Track' on Cine Cameras when the target Actor is in a different Sublevel

You are unable to track Actors that are in different sublevels when using Cine Cameras. The 'Actor to Track' is set back to none if the target Actor isn't in the same sublevel as the Camera. This is ...

Objects get stuck when hit location is same as start ray location

Containers of Instanced Subobjects don't inherit as expected

Changes made to array containers in the parent Instanced Subobject Blueprint does not affect the child. Working in 4.18.3 Broken in 4.19.2 Tested in  4.18.3(CL - 3832480), 4.19 (CL - 4033788), 4. ...

Promote to variable in a parent blueprint does not pass/preserve the non-default value in derived children blueprints

When using the feature "promote to variable" on a pin that represents a value that is not an engine default (Example: Floats = 0.0, Booleans = False, ect..), that default value (for the variable tha ...

Object Scale Material Node Returning Incorrect Information When Rotated to Certain Angles

When using the object scale node in a material it will return incorrect values if rotated to certain angles. Found in 4.19 CL# 4033788, 4.20 Preview 20 CL# 4173640, 4.21 CL# 4209927 ...