Unreal Engine Issues
Unreal Engine Issues
Iris - Destruction of initially dormant actor not replicated to clients
UE - Networking - Iris - Apr 9, 2024Without Iris enabled, UNetDriver::NotifyActorDestroyed will handle creating destruction info for dormant actors, including any initially dormant, statically placed actors. However, this path seems t ...
Data Layers: GetDataLayerInstanceFromAssetName differs between editor and non-editor
UE - World Creation - Worldbuilding Tools - Data Layers - Apr 9, 2024From licensee: The function AWorldDataLayers::GetDataLayerInstanceFromAssetName() uses different names in #WITH_EDITOR and without editor builds: #WITH_EDITOR config calls DataLayerInstance->GetDa ...
Reimport of a MaterialX file as material instance fails
UE - Editor - Content Pipeline - Import and Export - Apr 5, 2024In Main, the reimport does not generate an error but the material instance is not updated. ...
Eye Shading Model renders Emissive unexpectedly when using a FloatRGBA scene format
UE - Graphics Features - Apr 5, 2024This appears to be caused by the colour format. It only occurs when the scene format has an alpha channel. FloatRGB (format 3) doesn’t exhibit these issues. Unfortunately, format 4 is the default fo ...
GAS PlayMontageAndWait: Server applies root motion with wrong scale at last montage tick
UE - Gameplay - Gameplay Ability System - Apr 3, 2024User reported: when playing an AnimMontage via GameplayAbility with the PlayMontageAndWait ability task that has a custom value for AnimRootMotionTranslationScale, (dedicated) servers can apply an i ...
Character sliding down a surface can prematurely land before reaching a walkable floor
UE - Gameplay - Player Movement - Apr 3, 2024Under some circumstances, a character falling and sliding along a sloped surface may get hung up near the bottom of the surface before actually landing on the floor. This seems to occur when slidin ...
Editor mode tabs can get corrupted in the layout
UE - Editor - Workflow Systems - Apr 2, 2024This can happen with any mode. What actually happens is, when closing the Editor, the Editor saves its layout before closing the active Editor Mode, which leads the editor to think the tabs are sti ...
FTimeline::bPlaying may remain false on clients when replaying replicated timeline
UE - Gameplay - Apr 2, 2024This seems to occur when FTimeline::Stop is called on the client but not on the server, as this will set bPlaying to false locally on the client. Because the value for bPlaying doesn't change on the ...
Reimport FBX does not correctly update frame-rate
UE - Anim - Runtime - Apr 2, 2024This is an issue with the sequencer model, it does not clear its bPopulated flag so doesn't allow for changing the frame-rate to a non-compatible (multiple/factor off FPS). ...
Issue where some colors are missing in some materials created by importing MaterialX files
UE - Editor - Content Pipeline - Import and Export - Apr 1, 2024From user: Comparing UE, Arnold, Vray and MaterialXView that have MaterialX files imported, some materials of UE clearly look different from other renderers. Looking into this issue, we found that ...