Unreal Engine Issues
Unreal Engine Issues
UForceFeedbackEffect is only making slight vibration in iOS when value rises from 0 or effect is started.
UE - Platform - Mobile - Jun 11, 2019UForceFeedback is expected to give vibration just like in the graph of the asset. But only in iOS it is not. It is expected to give continuous vibration following the forcefeedback asset, but only ...
Crash on packaged game. 4.23 will not nativize a class that creates instanced properties inside itself
UE - Gameplay - Oct 1, 2019Description from the user: up to 4.23 properties nativize normally if they are written in C++ with the Instanced specifier. The discerning difference is that that there was no Blueprint Class itsel ...
Steam VR client crash when connecting to Server
UE - Platform - XR - Jan 6, 2020Client crashes when connecting to server on Vive. Did not reproduce with Oculus Rift. ...
Reroute nodes in blueprints cause visual issues for events when using create event.
UE - Gameplay - Jul 25, 2016When adding a reroute node between a "create event" node and any "Bind Event to...." node, the combo box list in "Create Event" node will disappear. Workaround: If the "create event" node is first ...
Lumen ignores Landscape Holes (Landscape Visibility) when Hardware Ray Tracing is enabled and Ray Lighting Mode is set to Surface Cache
UE - Rendering - Graphics Features - Ray Tracing - Jan 31, 2025Context Lumen is the default global illumination and reflections system. Lumen renders diffuse interreflection with infinite bounces and indirect specular reflections in large, detailed environments ...
TRASH_Comp in Octree that missing unregister
UE - AI - Navigation - Feb 25, 2025the reproduce video and project are in the slack links: Slack Link: [Link Removed] ...
Missing logging or error when applying an anim instance to a skeleton that the anim instance doesn't match.
UE - Anim - Runtime - Feb 9, 2026Currently, we detect whether an anim instance is supported by the skeletal mesh and, if it isn't, unreference the instance, but we don't error or warn the user that this happened. This leads to conf ...
Landscape Grass Type will not build with static lighting leaving 'Lighting needs to be rebuilt warning.'
UE - World Creation - Worldbuilding Tools - Foliage - Sep 3, 2015When using the Landscape Grass Type and using a Static or Stationary light will throw the 'Lighting needs to be rebuilt' warning. ...
Mesh blueprint has incorrect Scaling in viewport when added as a child blueprint component
UE - Gameplay - Sep 9, 2015If the user converts two static meshes in the level to blueprints, makes them movable, and then adds one to the other as a child blueprint component then the child component will scale incorrectly i ...
ResavePackages commandlet with Build Lighting applies level transform each time
UE - Foundation - Core - Cooker - Sep 13, 2016While using the commandlet for RebuildPackages with -BuildLighting and having any sub-levels with level transforms will be added to the current position each time this commandlet is run. As an exa ...