Unreal Engine Issues
Unreal Engine Issues
Blueprint NAND node should not be associative.
UE - Gameplay - Blueprint - Jan 6, 2016NAND is not an associative operation, so it should not use the markup that makes N+1 input nodes work by calling the underlying function N times. This was brought to light here: https://udn.unreale ...
Shadows in Unreal for OSX not showing correctly
UE - Platform - Apple - Dec 2, 2014I have copied a project from Windows to my Macbook Pro. It's the first time I try Unreal for OSX. In Windows everything worked perfectly, but in Mac shadows are showing like this: alt text Buildin ...
Attached Actor's Scene Components reset to default class values when moved.
UE - Gameplay - May 23, 2019When attaching a Blueprint CameraActor; who has a child Blueprint component(point light component) to another object in the scene. The Blueprint Actor's Components will reset to default class values ...
UIpNetDriver::ProcesRemoteFunction warnings appear for ShooterGame clients when switching weapons
UE - Networking - Nov 5, 2015The following warnings appear in the output log for ShooterGame clients when switching weapons. [2015.11.05-19.41.11:550][253]LogNet:Warning: UIpNetDriver::ProcesRemoteFunction: No owning connectio ...
ModularGameplay and other runtime plugins have wrong LoadingPhase
UE - Gameplay - Jun 30, 2022Plugins that provide blueprint-accessible libraries generally need to be set the PreDefault LoadingPhase so they can be properly loaded before game-specific data that loads early in the Default load ...
Pressed event triggered after calling FlushPressedKeys while holding the button
UE - Gameplay - Input - Oct 2, 2024This is an issue related to the behavior of the FlushPressedKeys function when called manually while a button is held. Once the function is called in C++, a Pressed event gets triggered even though ...
Swarm Agent Local Host of Coordinator not showing up in Coordinator
UE - Foundation - Core - May 26, 2015A Computer which is hosting the Swarm Coordinator no longer shows up as a viable Swarm Agent Computer and if that computer builds lighting will only use itself and not any available agents. Also re ...
Volumetric Lightmaps do not work with Landscape texture mapping
UE - Graphics Features - Feb 13, 2019It appears that the Lightmass Volumetric Lightmap does not work with Landscape textures. When it samples the Landscape with some textured material, the resulting lighting build data does not match t ...
Sequencer - Soft References do not work as payloads in Event Track keys, the endpoint event receives none/empty instead
UE - Anim - Sequencer - Jul 31, 2024In sequencer, an "event track" can be added to call functions/events defined in the Sequence Director Blueprint. The parameters for those endpoint functions/events can be sent as a Payload associate ...
Imported Substance materials behave incorrectly when applying UV rotation
TM - Tools - May 14, 2026Reported in SF [Link Removed] and on the forums at https://forums.unrealengine.com/t/substance-3d-materials-not-reflecting-light-properly/2718611 UV rotation behavior is incorrect for Substance mat ...