Unreal Engine Issues
Unreal Engine Issues
InstancedStruct hard references fail to cook in World Partition map
UE - World Creation - Worldbuilding Tools - World Partition - Mar 12, 2024Hard references through InstancedStruct do not cluster the actors together into the same cell. ...
When copying category properties, all the EditConst flags are not checked. This overrides variables that should not be written.
UE - Editor - Workflow Systems - Mar 12, 2024If you create two actors that have the same structure of variables in a category, and you try to copy the category variables of one actor into the other, variables that have ReadOnly/EditConst speci ...
Jitter playing animation on actor located far from origin
UE - Anim - Runtime - Mar 12, 2024A licensee has reported an issue with jitter when playing animations on an actor translated far from the origin (300000.0 units). This repros on the First Person Template. The issue is more obviou ...
[AI] Navmesh edge missing for polygon in tile
UE - AI - Navigation - Mar 11, 2024User is reporting a bug where there are cases that a polygon in a navmesh tile will not generate an edge. This seems to be where only part of the polygon side would be part of the edge, but the rest ...
Playing two instances of the same level sequence with an audio track will not work as expected.
UE - Anim - Sequencer - Mar 11, 2024Two instances of the same level sequence playing audio will cause the audio to stop playing. ...
Crash during shader compilation when r.Shaders.Optimize=0
UE - Rendering Architecture - Shaders - Mar 11, 2024The primary shader crashing is "FVisualizeLumenSceneCS" which I've put in the callstack section, but I think this is more likely a binding problem as I'm also see the following crash with cloud shad ...
Disabling internal audio to use external audio system shows "Audio Device Manager Initialization Failed!" warning
UE - Audio - Mar 11, 2024In addition, we can find "Main audio device could not be initialized. Please check the value for AudioDeviceModuleName and AudioMixerModuleName in [Platform]Engine.ini." log message in the engine. ...
CharacterMovementComponent: simulated proxy can go into falling due to linear velocity quantization when using custom gravity
UE - Gameplay - Components - Mar 8, 2024The character movement component in void UCharacterMovementComponent::SimulateMovement(float DeltaSeconds) evaluates whether to find the floor when simulating the movement of the simulated proxy ...
Materials with transparency still visible in alpha with holdout in Render layers.
TM - Tools - Mar 8, 2024The Transparent materials like the Glass don't behave correctly in Raster (in PT is working as expected). They are visible in Alpha with Holdout. This is an Engine limitation for now. But we sho ...
Deprecated blueprint variable fixups may fail depending on loading order
UE - Gameplay - Blueprint - Mar 7, 2024There is currently no simple way to do a deprecated variable fixup on native variables that are set by a blueprint class. For a simple variable rename, CoreRedirects can be used and will work proper ...