Normal are different after Merge Actor on scaled objects

OLD - Anim - Feb 8, 2018

Normal are different after Merge Actor on scaled objects. If the actors aren't scaled, the issue doesn't seem to occur. A licensee is trying to use the Merge Actor tool to optimize their entire pro ...

When moving a variable from a child to a parent class, blueprints that reference the variable will fail to compile

UE - Gameplay - Feb 12, 2018

When moving a member variable from a child class to the parent, then deleting the child class, blueprints that reference the member variable will fail to compile until the node is removed and re-add ...

ModifiedDelegate and SaveDelegate in FSettingsSection are not always executed when a config value is changed

Tools - Feb 22, 2018

The comments describing ModifiedDelegate and SaveDelegate in FSettingsSection seem to indicate that the delegates should be executed after the settings section has been modified or should be saved. ...

Editor crash when Landscape Comp. LODBias set to value greater than 0

UE - LD & Modeling - Terrain - Landscape - Mar 20, 2018

When LODBias for a landscape component is set to anything greater than zero, the editor will crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. Not able to be reproduced in 4.18.3 CL 3832480. T ...

Blueprints stay marked as dirty for compilation when using reroute nodes without blueprint compilation manager

UE - Gameplay - Blueprint Compiler - Mar 24, 2018

A licensee has reported a problem where having reroute nodes causes blueprints to always be dirty after being compiled when the new compilation manager is disabled. Regression?: No This occurred in ...

Move Component To gets offset when using splines

UE - Gameplay - Blueprint Runtime - Mar 26, 2018

Using the 'Move Component To' node in conjunction with spline locations, the static mesh component is traveling in the exact pattern the points are at. But the location the mesh is moving at is offs ...

Physics values uneditable in instances of placed Actors

UE - Simulation - Physics - Apr 11, 2018

Most physics options are not editable in placed instances of a Static Mesh with an Actor Parent. ...

Fix world to meters scale

UE - Platform - XR - Apr 11, 2018

Is changing the world to meters in the current 4.19 AR template project supposed to affect the world, or is world to meters only for VR projects currently? We have project where a client wants us to ...

Linux: SIGTERM handler can deadlock

UE - Platform - Linux - Sep 30, 2016

Handling SIGTERM can deadlock because RequestExit() can log stuff. If we happen to be in the malloc at that time of receiving the signal this is going to deadlock the process. In general, we should ...

Particles Do Not Obey Lighting Channels

UE - Niagara - Apr 17, 2018

Particle systems ignore lighting channels - no matter what channel a light is on (even if no channels are selected), it will affect lit particles. Changing lighting channels on the particle itself h ...