Unreal Engine Issues
Unreal Engine Issues
Launching a packaged game will cause it to open on the leftmost monitor, ignoring your primary monitor
Tools - Jan 17, 2018A licensee has reported that opening a packaged game in 4.18 and onward will cause the packaged game to appear on their left most monitor, rather than their primary monitor. This was not the case in ...
Primitive Render Mode has bad enum name and tooltip
UE - Graphics Features - Jan 17, 2018There is an extra option for the Planar Reflections with the Primitive Render Mode that appears to have the tooltip legacy. This issue does not appear to be a regression. Versions Tested: Issue occ ...
Destructible mesh loses collision and physics after packaging in 4.18.2
UE - Simulation - Physics - Destruction - Jan 17, 2018Destructible Meshes are losing collision and physics after a project has been packaged. They will work normally when running PIE. ...
Lighting Build Fails With High Density Foliage
UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2018Trying to build lighting on a map with high density foliage will fail lighting build or cause the editor to crash. This occurs in 4.15, 4.16, 4.17, and 4.18. There have been multiple reports of this ...
Morph Target Sets to Zero When Transitioning From 1 to -1 Causing Flickering
OLD - Anim - Jan 16, 2018-Morph target cycles through all values instead of only alternating between 1 and -1 -Couldn't reproduce in 4.17 -attached a test morph target asset Link to example video from user: [Link Removed] ...
RecastNavMesh - Agent Height changes back to default value after project restart
UE - AI - Jan 16, 2018When trying to change the value of Agent Height under RecastNavMesh-Default it will change back to its default value when you open back up the project. ...
Blutility changes are reverted when compiling an actor
UE - Gameplay - Blueprint - Jan 16, 2018Some information is not retained when compiling an actor if the information was changed via a blutility event. Additional info. Adding a static mesh component to an actor will not be retained on ...
Major performance hit upgrading to 4.18 (game tick time - collision sweeps)
OLD - Anim - Jan 16, 2018As of 4.18 and onward, collision sweeps related to Character Movement seem to be causing higher tick times than usual. Example project: [Link Removed] Regression?: Yes This did not occur in 4.17 ...
Attenuation visualizers disappear from viewport when changed
Tools - Jan 16, 2018MediaSound component attenuation radius preview disappears from viewport when changed. You need to deselect and re-select the actor when you want to see a preview of your attenuation fall off. You d ...
The CanLaunchURL() function does not do what it seems to imply that it does
UE - Foundation - Core - Jan 15, 2018The CanLaunchURL() function seems like it would check the provided URL to make sure it is valid. The comment for the function in GenericPlatformProcess.h appears to imply that this is what the funct ...