Unreal Engine Issues
Unreal Engine Issues
References stored in deleted UProperties stick around in a Blueprint Class
UE - Gameplay - Blueprint - Apr 25, 2017If a UProperty that stores a reference to an asset is deleted, the reference to that asset lingers in any Blueprints that had a reference stored in that UProperty. This can lead to issues when the r ...
Crash on Adding Elements to Array On Instance of Actor in the Level
Tools - May 25, 2018When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...
Navigating the Editor on Linux with a Wacom Tablet is difficult
UE - Platform - Linux - Sep 17, 2018Movement is quite sporadic and jumpy when using a Wacom Tablet to navigate the Editor on Linux. The Editor pans and zooms in and out really quickly with the slightest of movements. This was report ...
bPersistentLines is not respected by DrawDebugLine
UE - Graphics Features - Nov 1, 2018It looks like the line's lifetime is forced to the default line lifetime of one second if the provided lifetime is less than zero, which would be the case if calling the function with just enough pa ...
Virtual Bone effect is lost after re-importing mesh
OLD - Anim - Dec 31, 2018After setting up a Virtual Bone on the skeleton and having it drive a Skeletal Control Node in an Animation Blueprint. Reimporting the skeletal mesh will cause the setup in the Anim BP to revert bac ...
Sleep state not replicating properly
UE - Simulation - Physics - Jul 30, 2019Objects' sleep states are not being properly replicated to the client. While it cant seem to be reliably triggered, occasionally the client will receive a constant stream of sleep events, until the ...
Light shaft bloom produces heavy flickering when offscreen
UE - Graphics Features - Dec 18, 2019See attached video. Happens always in editor, will also happen in standalone game but only if viewport rect has not the full window size. The issue was not present in 4.22. Update 1/22/20: A ...
Display Blueprint Added Components on subobjects with meta = (ShowInnerProperties)
UE - Gameplay - Blueprint Editor - Sep 28, 2021Right now only native subobjects are displayed in the details panel with meta = (ShowInnerProperties) is set. Child Actor Components are an example of this, where if the child actor you have added h ...
Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components
UE - Gameplay - Player Movement - Oct 22, 2024When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...
Broken hair material with light function
UE - Graphics Features - Dec 19, 2024Hair Materials do not react to Light Functions in the same way as other Materials. There is a visual difference between a Directional Light at 1 lux with no Light Function and a Directional Light at ...