Unreal Engine Issues
Unreal Engine Issues
Displacement + TAA causes "vibrating"/"buzzing" artifacts
UE - Rendering Architecture - Jun 4, 2024There is a buzzing artifact on shadows that is seen in the provided test project. The problem seems to be far more subtle when VSM is turned off. Licensee mentions that turning r.Velocity.ForceOutpu ...
AlwaysTickPose is prone to double firing notifies in a dedicated server setup.
UE - Anim - Gameplay - Jun 11, 2024See UDN for more info: https://udn.unrealengine.com/s/question/0D5QP00000MfU8l0AF/uanimnotifynotify-is-called-twice-for-the-same-notify-on-server-in-a-multiplayer-game ...
"Assertion failed: CellIndex < CellIndexMax" when there are a lot of HISM foliage in a level
UE - World Creation - Worldbuilding Tools - Foliage - Aug 19, 2024Users have come across an issue in 5.4 that causes an assert when many foliage or HISM objects are placed in a level due to a cell size limit. ...
Material is not always updated after SketchUp file reimport.
TM - Interoperability - Dec 4, 2024The second file uses the same material as the first one, but it's color has been modified in the DCC. Not reproducible with Datasmith import. In that case the material is correctly updated in all c ...
Blueprint array nodes do not display comments
UE - Gameplay - Blueprint - Mar 6, 2015When you create an array node within a blueprint and add a comment to it, it doesn't show up. This includes the 'add' or 'remove' nodes that are pulled from the original array node. This seems to o ...
Components and Actors attached to physics objects (with weld) are not solidly attached
UE - Simulation - Physics - Jul 2, 2015Components and Actors attached to physics objects are not solidly attached. The child actor tends to float around in relation to the parent. Occurs even when using a "Weld" attachment In the exam ...
LIVE: Editor crash on open if saved with detached viewport and sky light in level.
UE - Graphics Features - Oct 21, 2014If there is a sky light in a scene and the viewport is detached and closed prior to saving, the editor will crash when trying to reopen the project. Crash Reporter: 431802 ...
Packaging with Code Editor plugin crashes and then fails to build
UE - Foundation - Cpp Tools - Plugin System - Jun 18, 2015Packaging with the [experimental] Code Editor plugin enabled causes a crash during the packaging process in 4.8 source. The crash does not kill the editor, project can recover by choosing for Window ...
Initial Color Vector Parameter cannot be set for GPU Particles
UE - Graphics Features - Nov 7, 2014GPU particles will not take a changing input from Initial Color when using a Vector Parameter to control through a blueprint. ...
Make Custom Event names start with "Event"/Fix "Event Event" issue with overridden Events
UE - Gameplay - Blueprint - Dec 17, 2015If you name an Event something like "Event Foo", overriding the event in a ChildBP gives you "Event Event Foo" To avoid this, please make Custom Event names Start with "Event" ...